diff --git a/dao/pom.xml b/dao/pom.xml
index d95521ddd0..ced5c381f4 100644
--- a/dao/pom.xml
+++ b/dao/pom.xml
@@ -173,11 +173,6 @@
             <artifactId>spring-test</artifactId>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-test</artifactId>
-            <scope>compile</scope>
-        </dependency>
         <dependency>
             <groupId>com.h2database</groupId>
             <artifactId>h2</artifactId>
diff --git a/dao/src/main/java/org/thingsboard/server/dao/model/sql/AdminSettingsEntity.java b/dao/src/main/java/org/thingsboard/server/dao/model/sql/AdminSettingsEntity.java
index 25393fb971..27f988a780 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/model/sql/AdminSettingsEntity.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/model/sql/AdminSettingsEntity.java
@@ -25,9 +25,12 @@ import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import lombok.Data;
 import lombok.extern.slf4j.Slf4j;
+import org.hibernate.annotations.Type;
+import org.hibernate.annotations.TypeDef;
 import org.thingsboard.server.common.data.AdminSettings;
 import org.thingsboard.server.common.data.id.AdminSettingsId;
 import org.thingsboard.server.dao.model.BaseEntity;
+import org.thingsboard.server.dao.util.JsonBinaryType;
 
 import java.io.IOException;
 import java.util.UUID;
@@ -35,8 +38,8 @@ import java.util.UUID;
 import static org.thingsboard.server.dao.model.ModelConstants.*;
 
 @Data
-@Slf4j
 @Entity
+@TypeDef(name = "jsonb", typeClass = JsonBinaryType.class)
 @Table(name = ADMIN_SETTINGS_COLUMN_FAMILY_NAME)
 public final class AdminSettingsEntity implements BaseEntity<AdminSettings> {
 
@@ -50,8 +53,9 @@ public final class AdminSettingsEntity implements BaseEntity<AdminSettings> {
     @Column(name = ADMIN_SETTINGS_KEY_PROPERTY)
     private String key;
 
-    @Column(name = ADMIN_SETTINGS_JSON_VALUE_PROPERTY)
-    private String jsonValue;
+    @Type(type = "jsonb")
+    @Column(name = ADMIN_SETTINGS_JSON_VALUE_PROPERTY, columnDefinition = "jsonb")
+    private JsonNode jsonValue;
 
     public AdminSettingsEntity() {
         super();
@@ -62,9 +66,7 @@ public final class AdminSettingsEntity implements BaseEntity<AdminSettings> {
             this.id = adminSettings.getId().getId();
         }
         this.key = adminSettings.getKey();
-        if (jsonValue != null) {
-            this.jsonValue = adminSettings.getJsonValue().toString();
-        }
+        this.jsonValue = adminSettings.getJsonValue();
     }
 
     @Override
@@ -132,16 +134,7 @@ public final class AdminSettingsEntity implements BaseEntity<AdminSettings> {
         AdminSettings adminSettings = new AdminSettings(new AdminSettingsId(id));
         adminSettings.setCreatedTime(UUIDs.unixTimestamp(id));
         adminSettings.setKey(key);
-        if (jsonValue != null) {
-            ObjectMapper mapper = new ObjectMapper();
-            JsonNode jsonNode = null;
-            try {
-                jsonNode = mapper.readTree(jsonValue);
-                adminSettings.setJsonValue(jsonNode);
-            } catch (IOException e) {
-               log.error(e.getMessage(), e);
-            }
-        }
+        adminSettings.setJsonValue(jsonValue);
         return adminSettings;
     }
 
diff --git a/dao/src/main/java/org/thingsboard/server/dao/model/sql/ComponentDescriptorEntity.java b/dao/src/main/java/org/thingsboard/server/dao/model/sql/ComponentDescriptorEntity.java
index 37fab4f487..02cad5d8e6 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/model/sql/ComponentDescriptorEntity.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/model/sql/ComponentDescriptorEntity.java
@@ -24,19 +24,22 @@ import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import lombok.Data;
 import lombok.extern.slf4j.Slf4j;
+import org.hibernate.annotations.Type;
+import org.hibernate.annotations.TypeDef;
 import org.thingsboard.server.common.data.id.ComponentDescriptorId;
 import org.thingsboard.server.common.data.plugin.ComponentDescriptor;
 import org.thingsboard.server.common.data.plugin.ComponentScope;
 import org.thingsboard.server.common.data.plugin.ComponentType;
 import org.thingsboard.server.dao.model.ModelConstants;
 import org.thingsboard.server.dao.model.SearchTextEntity;
+import org.thingsboard.server.dao.util.JsonBinaryType;
 
 import java.io.IOException;
 import java.util.UUID;
 
 @Data
-@Slf4j
 @Entity
+@TypeDef(name = "jsonb", typeClass = JsonBinaryType.class)
 @Table(name = ModelConstants.COMPONENT_DESCRIPTOR_COLUMN_FAMILY_NAME)
 public class ComponentDescriptorEntity implements SearchTextEntity<ComponentDescriptor> {
 
@@ -59,8 +62,9 @@ public class ComponentDescriptorEntity implements SearchTextEntity<ComponentDesc
     @Column(name = ModelConstants.COMPONENT_DESCRIPTOR_CLASS_PROPERTY)
     private String clazz;
 
-    @Column(name = ModelConstants.COMPONENT_DESCRIPTOR_CONFIGURATION_DESCRIPTOR_PROPERTY)
-    private String configurationDescriptor;
+    @Type(type = "jsonb")
+    @Column(name = ModelConstants.COMPONENT_DESCRIPTOR_CONFIGURATION_DESCRIPTOR_PROPERTY, columnDefinition = "jsonb")
+    private JsonNode configurationDescriptor;
 
     @Column(name = ModelConstants.COMPONENT_DESCRIPTOR_ACTIONS_PROPERTY)
     private String actions;
@@ -80,9 +84,7 @@ public class ComponentDescriptorEntity implements SearchTextEntity<ComponentDesc
         this.scope = component.getScope();
         this.name = component.getName();
         this.clazz = component.getClazz();
-        if (configurationDescriptor != null) {
-            this.configurationDescriptor = component.getConfigurationDescriptor().toString();
-        }
+        this.configurationDescriptor = component.getConfigurationDescriptor();
         this.searchText = component.getName();
     }
 
@@ -94,16 +96,7 @@ public class ComponentDescriptorEntity implements SearchTextEntity<ComponentDesc
         data.setName(this.getName());
         data.setClazz(this.getClazz());
         data.setActions(this.getActions());
-        if (configurationDescriptor != null) {
-            ObjectMapper mapper = new ObjectMapper();
-            JsonNode jsonNode = null;
-            try {
-                jsonNode = mapper.readTree(configurationDescriptor);
-                data.setConfigurationDescriptor(jsonNode);
-            } catch (IOException e) {
-                log.error(e.getMessage(), e);
-            }
-        }
+        data.setConfigurationDescriptor(configurationDescriptor);
         return data;
     }
 
diff --git a/dao/src/main/java/org/thingsboard/server/dao/model/sql/CustomerEntity.java b/dao/src/main/java/org/thingsboard/server/dao/model/sql/CustomerEntity.java
index 185505b220..8105118833 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/model/sql/CustomerEntity.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/model/sql/CustomerEntity.java
@@ -25,6 +25,7 @@ import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import lombok.Data;
 import lombok.extern.slf4j.Slf4j;
+import org.hibernate.annotations.Type;
 import org.thingsboard.server.common.data.Customer;
 import org.thingsboard.server.common.data.id.CustomerId;
 import org.thingsboard.server.common.data.id.TenantId;
@@ -35,7 +36,6 @@ import java.io.IOException;
 import java.util.UUID;
 
 @Data
-@Slf4j
 @Entity
 @Table(name = ModelConstants.CUSTOMER_COLUMN_FAMILY_NAME)
 public final class CustomerEntity implements SearchTextEntity<Customer> {
@@ -80,8 +80,9 @@ public final class CustomerEntity implements SearchTextEntity<Customer> {
     @Column(name = ModelConstants.EMAIL_PROPERTY)
     private String email;
 
-    @Column(name = ModelConstants.CUSTOMER_ADDITIONAL_INFO_PROPERTY)
-    private String additionalInfo;
+    @Type(type = "jsonb")
+    @Column(name = ModelConstants.CUSTOMER_ADDITIONAL_INFO_PROPERTY, columnDefinition = "jsonb")
+    private JsonNode additionalInfo;
 
     public CustomerEntity() {
         super();
@@ -101,9 +102,7 @@ public final class CustomerEntity implements SearchTextEntity<Customer> {
         this.zip = customer.getZip();
         this.phone = customer.getPhone();
         this.email = customer.getEmail();
-        if (additionalInfo != null) {
-            this.additionalInfo = customer.getAdditionalInfo().toString();
-        }
+        this.additionalInfo = customer.getAdditionalInfo();
     }
 
     @Override
@@ -262,15 +261,7 @@ public final class CustomerEntity implements SearchTextEntity<Customer> {
         customer.setZip(zip);
         customer.setPhone(phone);
         customer.setEmail(email);
-        if (additionalInfo != null) {
-            ObjectMapper mapper = new ObjectMapper();
-            try {
-                JsonNode jsonNode = mapper.readTree(additionalInfo);
-                customer.setAdditionalInfo(jsonNode);
-            } catch (IOException e) {
-               log.error(e.getMessage(), e);
-            }
-        }
+        customer.setAdditionalInfo(additionalInfo);
         return customer;
     }
 }
\ No newline at end of file
diff --git a/dao/src/main/java/org/thingsboard/server/dao/model/sql/DashboardEntity.java b/dao/src/main/java/org/thingsboard/server/dao/model/sql/DashboardEntity.java
index 1ad0f84633..4cc46f466c 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/model/sql/DashboardEntity.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/model/sql/DashboardEntity.java
@@ -25,19 +25,22 @@ import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import lombok.Data;
 import lombok.extern.slf4j.Slf4j;
+import org.hibernate.annotations.Type;
+import org.hibernate.annotations.TypeDef;
 import org.thingsboard.server.common.data.Dashboard;
 import org.thingsboard.server.common.data.id.CustomerId;
 import org.thingsboard.server.common.data.id.DashboardId;
 import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.dao.model.ModelConstants;
 import org.thingsboard.server.dao.model.SearchTextEntity;
+import org.thingsboard.server.dao.util.JsonBinaryType;
 
 import java.io.IOException;
 import java.util.UUID;
 
 @Data
-@Slf4j
 @Entity
+@TypeDef(name = "jsonb", typeClass = JsonBinaryType.class)
 @Table(name = ModelConstants.DASHBOARD_COLUMN_FAMILY_NAME)
 public final class DashboardEntity implements SearchTextEntity<Dashboard> {
 
@@ -59,9 +62,10 @@ public final class DashboardEntity implements SearchTextEntity<Dashboard> {
     
     @Column(name = ModelConstants.SEARCH_TEXT_PROPERTY)
     private String searchText;
-    
-    @Column(name = ModelConstants.DASHBOARD_CONFIGURATION_PROPERTY)
-    private String configuration;
+
+    @Type(type = "jsonb")
+    @Column(name = ModelConstants.DASHBOARD_CONFIGURATION_PROPERTY, columnDefinition = "jsonb")
+    private JsonNode configuration;
 
     public DashboardEntity() {
         super();
@@ -78,9 +82,7 @@ public final class DashboardEntity implements SearchTextEntity<Dashboard> {
             this.customerId = dashboard.getCustomerId().getId();
         }
         this.title = dashboard.getTitle();
-        if (configuration != null) {
-            this.configuration = dashboard.getConfiguration().toString();
-        }
+        this.configuration = dashboard.getConfiguration();
     }
 
     @Override
@@ -191,16 +193,7 @@ public final class DashboardEntity implements SearchTextEntity<Dashboard> {
             dashboard.setCustomerId(new CustomerId(customerId));
         }
         dashboard.setTitle(title);
-        if (configuration != null) {
-            ObjectMapper mapper = new ObjectMapper();
-            JsonNode jsonNode = null;
-            try {
-                jsonNode = mapper.readTree(configuration);
-                dashboard.setConfiguration(jsonNode);
-            } catch (IOException e) {
-                log.error(e.getMessage(), e);
-            }
-        }
+        dashboard.setConfiguration(configuration);
         return dashboard;
     }
 }
\ No newline at end of file
diff --git a/dao/src/main/java/org/thingsboard/server/dao/model/sql/DeviceEntity.java b/dao/src/main/java/org/thingsboard/server/dao/model/sql/DeviceEntity.java
index 0b1ecdf40c..0504ccf903 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/model/sql/DeviceEntity.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/model/sql/DeviceEntity.java
@@ -25,19 +25,22 @@ import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import lombok.Data;
 import lombok.extern.slf4j.Slf4j;
+import org.hibernate.annotations.Type;
+import org.hibernate.annotations.TypeDef;
 import org.thingsboard.server.common.data.Device;
 import org.thingsboard.server.common.data.id.CustomerId;
 import org.thingsboard.server.common.data.id.DeviceId;
 import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.dao.model.ModelConstants;
 import org.thingsboard.server.dao.model.SearchTextEntity;
+import org.thingsboard.server.dao.util.JsonBinaryType;
 
 import java.io.IOException;
 import java.util.UUID;
 
 @Data
-@Slf4j
 @Entity
+@TypeDef(name = "jsonb", typeClass = JsonBinaryType.class)
 @Table(name = ModelConstants.DEVICE_COLUMN_FAMILY_NAME)
 public final class DeviceEntity implements SearchTextEntity<Device> {
 
@@ -59,9 +62,10 @@ public final class DeviceEntity implements SearchTextEntity<Device> {
     
     @Column(name = ModelConstants.SEARCH_TEXT_PROPERTY)
     private String searchText;
-    
-    @Column(name = ModelConstants.DEVICE_ADDITIONAL_INFO_PROPERTY)
-    private String additionalInfo;
+
+    @Type(type = "jsonb")
+    @Column(name = ModelConstants.DEVICE_ADDITIONAL_INFO_PROPERTY, columnDefinition = "jsonb")
+    private JsonNode additionalInfo;
 
     public DeviceEntity() {
         super();
@@ -78,9 +82,7 @@ public final class DeviceEntity implements SearchTextEntity<Device> {
             this.customerId = device.getCustomerId().getId();
         }
         this.name = device.getName();
-        if (additionalInfo != null) {
-            this.additionalInfo = device.getAdditionalInfo().toString();
-        }
+        this.additionalInfo = device.getAdditionalInfo();
     }
 
     @Override
@@ -174,16 +176,7 @@ public final class DeviceEntity implements SearchTextEntity<Device> {
             device.setCustomerId(new CustomerId(customerId));
         }
         device.setName(name);
-        if (additionalInfo != null) {
-            ObjectMapper mapper = new ObjectMapper();
-            JsonNode jsonNode = null;
-            try {
-                jsonNode = mapper.readTree(additionalInfo);
-                device.setAdditionalInfo(jsonNode);
-            } catch (IOException e) {
-                log.error(e.getMessage(), e);
-            }
-        }
+        device.setAdditionalInfo(additionalInfo);
         return device;
     }
 }
\ No newline at end of file
diff --git a/dao/src/main/java/org/thingsboard/server/dao/model/sql/EventEntity.java b/dao/src/main/java/org/thingsboard/server/dao/model/sql/EventEntity.java
index a0cce5ca22..65e51a0879 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/model/sql/EventEntity.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/model/sql/EventEntity.java
@@ -26,10 +26,13 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
+import org.hibernate.annotations.Type;
+import org.hibernate.annotations.TypeDef;
 import org.thingsboard.server.common.data.EntityType;
 import org.thingsboard.server.common.data.Event;
 import org.thingsboard.server.common.data.id.*;
 import org.thingsboard.server.dao.model.BaseEntity;
+import org.thingsboard.server.dao.util.JsonBinaryType;
 
 import static org.thingsboard.server.dao.model.ModelConstants.*;
 
@@ -37,9 +40,9 @@ import java.io.IOException;
 import java.util.UUID;
 
 @Data
-@Slf4j
 @NoArgsConstructor
 @Entity
+@TypeDef(name = "jsonb", typeClass = JsonBinaryType.class)
 @Table(name = EVENT_COLUMN_FAMILY_NAME)
 public class EventEntity implements BaseEntity<Event> {
 
@@ -65,8 +68,9 @@ public class EventEntity implements BaseEntity<Event> {
     @Column(name = EVENT_UID_PROPERTY)
     private String eventUid;
 
-    @Column(name = EVENT_BODY_PROPERTY)
-    private String body;
+    @Type(type = "jsonb")
+    @Column(name = EVENT_BODY_PROPERTY, columnDefinition = "jsonb")
+    private JsonNode body;
 
     public EventEntity(Event event) {
         if (event.getId() != null) {
@@ -81,9 +85,7 @@ public class EventEntity implements BaseEntity<Event> {
         }
         this.eventType = event.getType();
         this.eventUid = event.getUid();
-        if (event.getBody() != null) {
-            this.body = event.getBody().toString();
-        }
+        this.body = event.getBody();
     }
 
     @Override
@@ -118,15 +120,7 @@ public class EventEntity implements BaseEntity<Event> {
                 event.setEntityId(new PluginId(entityId));
                 break;
         }
-        ObjectMapper mapper = new ObjectMapper();
-        if (body != null) {
-            try {
-                JsonNode jsonNode = mapper.readTree(body);
-                event.setBody(jsonNode);
-            } catch (IOException e) {
-                log.warn(String.format("Error parsing JsonNode: %s. Reason: %s ", body, e.getMessage()), e);
-            }
-        }
+        event.setBody(body);
         event.setType(eventType);
         event.setUid(eventUid);
         return event;
diff --git a/dao/src/main/java/org/thingsboard/server/dao/model/sql/PluginMetaDataEntity.java b/dao/src/main/java/org/thingsboard/server/dao/model/sql/PluginMetaDataEntity.java
index 1e5d1b09a1..8d8974dcf8 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/model/sql/PluginMetaDataEntity.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/model/sql/PluginMetaDataEntity.java
@@ -25,19 +25,23 @@ import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import lombok.Data;
 import lombok.extern.slf4j.Slf4j;
+import org.hibernate.annotations.Type;
+import org.hibernate.annotations.TypeDef;
 import org.thingsboard.server.common.data.id.PluginId;
 import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.plugin.ComponentLifecycleState;
 import org.thingsboard.server.common.data.plugin.PluginMetaData;
 import org.thingsboard.server.dao.model.ModelConstants;
 import org.thingsboard.server.dao.model.SearchTextEntity;
+import org.thingsboard.server.dao.util.JsonBinaryType;
 
 import java.io.IOException;
 import java.util.Objects;
 import java.util.UUID;
-@Slf4j
+
 @Data
 @Entity
+@TypeDef(name = "jsonb", typeClass = JsonBinaryType.class)
 @Table(name = ModelConstants.PLUGIN_COLUMN_FAMILY_NAME)
 public class PluginMetaDataEntity implements SearchTextEntity<PluginMetaData> {
 
@@ -65,15 +69,17 @@ public class PluginMetaDataEntity implements SearchTextEntity<PluginMetaData> {
     @Column(name = ModelConstants.PLUGIN_STATE_PROPERTY)
     private ComponentLifecycleState state;
 
-    @Column(name = ModelConstants.PLUGIN_CONFIGURATION_PROPERTY)
-    private String configuration;
+    @Type(type = "jsonb")
+    @Column(name = ModelConstants.PLUGIN_CONFIGURATION_PROPERTY, columnDefinition = "jsonb")
+    private JsonNode configuration;
+
+    @Type(type = "jsonb")
+    @Column(name = ModelConstants.ADDITIONAL_INFO_PROPERTY, columnDefinition = "jsonb")
+    private JsonNode additionalInfo;
 
     @Column(name = ModelConstants.SEARCH_TEXT_PROPERTY)
     private String searchText;
 
-    @Column(name = ModelConstants.ADDITIONAL_INFO_PROPERTY)
-    private String additionalInfo;
-
     public PluginMetaDataEntity() {
     }
 
@@ -88,12 +94,8 @@ public class PluginMetaDataEntity implements SearchTextEntity<PluginMetaData> {
         this.publicAccess = pluginMetaData.isPublicAccess();
         this.state = pluginMetaData.getState();
         this.searchText = pluginMetaData.getName();
-        if (pluginMetaData.getConfiguration() != null) {
-            this.configuration = pluginMetaData.getConfiguration().toString();
-        }
-        if (pluginMetaData.getAdditionalInfo() != null) {
-            this.additionalInfo = pluginMetaData.getAdditionalInfo().toString();
-        }
+        this.configuration = pluginMetaData.getConfiguration();
+        this.additionalInfo = pluginMetaData.getAdditionalInfo();
     }
 
     @Override
@@ -126,23 +128,8 @@ public class PluginMetaDataEntity implements SearchTextEntity<PluginMetaData> {
         data.setPublicAccess(publicAccess);
         data.setState(state);
         data.setApiToken(apiToken);
-        ObjectMapper mapper = new ObjectMapper();
-        if (configuration != null) {
-            try {
-                JsonNode jsonNode = mapper.readTree(configuration);
-                data.setConfiguration(jsonNode);
-            } catch (IOException e) {
-                log.warn(String.format("Error parsing JsonNode: %s. Reason: %s ", configuration, e.getMessage()), e);
-            }
-        }
-        if (additionalInfo != null) {
-            try {
-                JsonNode jsonNode = mapper.readTree(additionalInfo);
-                data.setAdditionalInfo(jsonNode);
-            } catch (IOException e) {
-                log.warn(String.format("Error parsing JsonNode: %s. Reason: %s ", additionalInfo, e.getMessage()), e);
-            }
-        }
+        data.setConfiguration(configuration);
+        data.setAdditionalInfo(additionalInfo);
         return data;
     }
 
diff --git a/dao/src/main/java/org/thingsboard/server/dao/model/sql/RuleMetaDataEntity.java b/dao/src/main/java/org/thingsboard/server/dao/model/sql/RuleMetaDataEntity.java
index 54359a35aa..193501a981 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/model/sql/RuleMetaDataEntity.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/model/sql/RuleMetaDataEntity.java
@@ -27,6 +27,8 @@ import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import lombok.Data;
 import lombok.extern.slf4j.Slf4j;
+import org.hibernate.annotations.Type;
+import org.hibernate.annotations.TypeDef;
 import org.thingsboard.server.common.data.id.RuleId;
 import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.plugin.ComponentLifecycleState;
@@ -34,14 +36,15 @@ import org.thingsboard.server.common.data.rule.RuleMetaData;
 import org.thingsboard.server.dao.DaoUtil;
 import org.thingsboard.server.dao.model.ModelConstants;
 import org.thingsboard.server.dao.model.SearchTextEntity;
+import org.thingsboard.server.dao.util.JsonBinaryType;
 
 import java.io.IOException;
 import java.util.Objects;
 import java.util.UUID;
 
-@Slf4j
 @Data
 @Entity
+@TypeDef(name = "jsonb", typeClass = JsonBinaryType.class)
 @Table(name = ModelConstants.RULE_COLUMN_FAMILY_NAME)
 public class RuleMetaDataEntity implements SearchTextEntity<RuleMetaData> {
 
@@ -62,14 +65,18 @@ public class RuleMetaDataEntity implements SearchTextEntity<RuleMetaData> {
     private String searchText;
     @Column(name = ModelConstants.RULE_PLUGIN_TOKEN_PROPERTY)
     private String pluginToken;
-    @Column(name = ModelConstants.RULE_FILTERS)
-    private String filters;
-    @Column(name = ModelConstants.RULE_PROCESSOR)
-    private String processor;
-    @Column(name = ModelConstants.RULE_ACTION)
-    private String action;
-    @Column(name = ModelConstants.ADDITIONAL_INFO_PROPERTY)
-    private String additionalInfo;
+    @Type(type = "jsonb")
+    @Column(name = ModelConstants.RULE_FILTERS, columnDefinition = "jsonb")
+    private JsonNode filters;
+    @Type(type = "jsonb")
+    @Column(name = ModelConstants.RULE_PROCESSOR, columnDefinition = "jsonb")
+    private JsonNode processor;
+    @Type(type = "jsonb")
+    @Column(name = ModelConstants.RULE_ACTION, columnDefinition = "jsonb")
+    private JsonNode action;
+    @Type(type = "jsonb")
+    @Column(name = ModelConstants.ADDITIONAL_INFO_PROPERTY, columnDefinition = "jsonb")
+    private JsonNode additionalInfo;
 
     public RuleMetaDataEntity() {
     }
@@ -84,18 +91,10 @@ public class RuleMetaDataEntity implements SearchTextEntity<RuleMetaData> {
         this.state = rule.getState();
         this.weight = rule.getWeight();
         this.searchText = rule.getName();
-        if (rule.getFilters() != null) {
-            this.filters = rule.getFilters().toString();
-        }
-        if (rule.getProcessor() != null) {
-            this.processor = rule.getProcessor().toString();
-        }
-        if (rule.getAction() != null) {
-            this.action = rule.getAction().toString();
-        }
-        if (rule.getAdditionalInfo() != null) {
-            this.additionalInfo = rule.getAdditionalInfo().toString();
-        }
+        this.filters = rule.getFilters();
+        this.processor = rule.getProcessor();
+        this.action = rule.getAction();
+        this.additionalInfo = rule.getAdditionalInfo();
     }
 
     @Override
@@ -127,39 +126,10 @@ public class RuleMetaDataEntity implements SearchTextEntity<RuleMetaData> {
         rule.setWeight(weight);
         rule.setCreatedTime(UUIDs.unixTimestamp(id));
         rule.setPluginToken(pluginToken);
-        ObjectMapper mapper = new ObjectMapper();
-        if (filters != null) {
-            try {
-                JsonNode jsonNode = mapper.readTree(filters);
-                rule.setFilters(jsonNode);
-            } catch (IOException e) {
-                log.warn(String.format("Error parsing JsonNode: %s. Reason: %s ", filters, e.getMessage()), e);
-            }
-        }
-        if (processor != null) {
-            try {
-                JsonNode jsonNode = mapper.readTree(processor);
-                rule.setProcessor(jsonNode);
-            } catch (IOException e) {
-                log.warn(String.format("Error parsing JsonNode: %s. Reason: %s ", processor, e.getMessage()), e);
-            }
-        }
-        if (action != null) {
-            try {
-                JsonNode jsonNode = mapper.readTree(action);
-                rule.setAction(jsonNode);
-            } catch (IOException e) {
-                log.warn(String.format("Error parsing JsonNode: %s. Reason: %s ", action, e.getMessage()), e);
-            }
-        }
-        if (additionalInfo != null) {
-            try {
-                JsonNode jsonNode = mapper.readTree(additionalInfo);
-                rule.setAdditionalInfo(jsonNode);
-            } catch (IOException e) {
-                log.warn(String.format("Error parsing JsonNode: %s. Reason: %s ", additionalInfo, e.getMessage()), e);
-            }
-        }
+        rule.setFilters(filters);
+        rule.setProcessor(processor);
+        rule.setAction(action);
+        rule.setAdditionalInfo(additionalInfo);
         return rule;
     }
 
diff --git a/dao/src/main/java/org/thingsboard/server/dao/model/sql/TenantEntity.java b/dao/src/main/java/org/thingsboard/server/dao/model/sql/TenantEntity.java
index 6a2e8a066b..fcd5b19f63 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/model/sql/TenantEntity.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/model/sql/TenantEntity.java
@@ -26,18 +26,21 @@ import javax.persistence.Transient;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import lombok.Data;
 import lombok.extern.slf4j.Slf4j;
+import org.hibernate.annotations.Type;
+import org.hibernate.annotations.TypeDef;
 import org.thingsboard.server.common.data.Tenant;
 import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.dao.model.ModelConstants;
 import org.thingsboard.server.dao.model.SearchTextEntity;
 import com.fasterxml.jackson.databind.JsonNode;
+import org.thingsboard.server.dao.util.JsonBinaryType;
 
 import java.io.IOException;
 import java.util.UUID;
 
-@Slf4j
 @Data
 @Entity
+@TypeDef(name = "jsonb", typeClass = JsonBinaryType.class)
 @Table(name = ModelConstants.TENANT_COLUMN_FAMILY_NAME)
 public final class TenantEntity implements SearchTextEntity<Tenant> {
 
@@ -81,8 +84,9 @@ public final class TenantEntity implements SearchTextEntity<Tenant> {
     @Column(name = ModelConstants.EMAIL_PROPERTY)
     private String email;
 
-    @Column(name = ModelConstants.TENANT_ADDITIONAL_INFO_PROPERTY)
-    private String additionalInfo;
+    @Type(type="jsonb")
+    @Column(name = ModelConstants.TENANT_ADDITIONAL_INFO_PROPERTY, columnDefinition = "jsonb")
+    private JsonNode additionalInfo;
 
     public TenantEntity() {
         super();
@@ -102,12 +106,9 @@ public final class TenantEntity implements SearchTextEntity<Tenant> {
         this.zip = tenant.getZip();
         this.phone = tenant.getPhone();
         this.email = tenant.getEmail();
-        if (tenant.getAdditionalInfo() != null) {
-            this.additionalInfo = tenant.getAdditionalInfo().toString();
-        }
+        this.additionalInfo = tenant.getAdditionalInfo();
     }
 
-
     @Override
     public String getSearchTextSource() {
         return title;
@@ -258,15 +259,7 @@ public final class TenantEntity implements SearchTextEntity<Tenant> {
         tenant.setZip(zip);
         tenant.setPhone(phone);
         tenant.setEmail(email);
-        ObjectMapper mapper = new ObjectMapper();
-        if (additionalInfo != null) {
-            try {
-                JsonNode jsonNode = mapper.readTree(additionalInfo);
-                tenant.setAdditionalInfo(jsonNode);
-            } catch (IOException e) {
-                log.warn(String.format("Error parsing JsonNode: %s. Reason: %s ", additionalInfo, e.getMessage()), e);
-            }
-        }
+        tenant.setAdditionalInfo(additionalInfo);
         return tenant;
     }
 
diff --git a/dao/src/main/java/org/thingsboard/server/dao/model/sql/UserEntity.java b/dao/src/main/java/org/thingsboard/server/dao/model/sql/UserEntity.java
index c85b2aa9d9..6572462df0 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/model/sql/UserEntity.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/model/sql/UserEntity.java
@@ -20,6 +20,8 @@ import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import lombok.Data;
 import lombok.extern.slf4j.Slf4j;
+import org.hibernate.annotations.Type;
+import org.hibernate.annotations.TypeDef;
 import org.thingsboard.server.common.data.User;
 import org.thingsboard.server.common.data.id.CustomerId;
 import org.thingsboard.server.common.data.id.TenantId;
@@ -27,6 +29,7 @@ import org.thingsboard.server.common.data.id.UserId;
 import org.thingsboard.server.common.data.security.Authority;
 import org.thingsboard.server.dao.model.ModelConstants;
 import org.thingsboard.server.dao.model.SearchTextEntity;
+import org.thingsboard.server.dao.util.JsonBinaryType;
 
 import javax.persistence.*;
 import java.io.IOException;
@@ -35,9 +38,9 @@ import java.util.UUID;
 /**
  * Created by Valerii Sosliuk on 4/21/2017.
  */
-@Slf4j
 @Data
 @Entity
+@TypeDef(name = "jsonb", typeClass = JsonBinaryType.class)
 @Table(name = ModelConstants.USER_PG_HIBERNATE_COLUMN_FAMILY_NAME)
 public class UserEntity implements SearchTextEntity<User> {
     @Transient
@@ -68,8 +71,9 @@ public class UserEntity implements SearchTextEntity<User> {
     @Column(name = ModelConstants.USER_LAST_NAME_PROPERTY)
     private String lastName;
 
-    @Column(name = ModelConstants.USER_ADDITIONAL_INFO_PROPERTY)
-    private String additionalInfo;
+    @Type(type="jsonb")
+    @Column(name = ModelConstants.USER_ADDITIONAL_INFO_PROPERTY, columnDefinition = "jsonb")
+    private JsonNode additionalInfo;
 
     public UserEntity() {
     }
@@ -88,9 +92,7 @@ public class UserEntity implements SearchTextEntity<User> {
         this.email = user.getEmail();
         this.firstName = user.getFirstName();
         this.lastName = user.getLastName();
-        if (user.getAdditionalInfo() != null) {
-            this.additionalInfo = user.getAdditionalInfo().toString();
-        }
+        this.additionalInfo = user.getAdditionalInfo();
     }
 
     @Override
@@ -150,15 +152,7 @@ public class UserEntity implements SearchTextEntity<User> {
         user.setEmail(email);
         user.setFirstName(firstName);
         user.setLastName(lastName);
-        ObjectMapper mapper = new ObjectMapper();
-        if (additionalInfo != null) {
-            try {
-                JsonNode jsonNode = mapper.readTree(additionalInfo);
-                user.setAdditionalInfo(jsonNode);
-            } catch (IOException e) {
-                log.warn(String.format("Error parsing JsonNode: %s. Reason: %s ", additionalInfo, e.getMessage()), e);
-            }
-        }
+        user.setAdditionalInfo(additionalInfo);
         return user;
     }
 
diff --git a/dao/src/main/java/org/thingsboard/server/dao/model/sql/WidgetTypeEntity.java b/dao/src/main/java/org/thingsboard/server/dao/model/sql/WidgetTypeEntity.java
index 4f31e70201..28de47ffc6 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/model/sql/WidgetTypeEntity.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/model/sql/WidgetTypeEntity.java
@@ -16,29 +16,24 @@
 package org.thingsboard.server.dao.model.sql;
 
 import com.datastax.driver.core.utils.UUIDs;
-import javax.persistence.Column;
-import javax.persistence.Entity;
-import javax.persistence.Id;
-import javax.persistence.Table;
-import javax.persistence.Transient;
-
 import com.datastax.driver.mapping.annotations.PartitionKey;
 import com.fasterxml.jackson.databind.JsonNode;
-import com.fasterxml.jackson.databind.ObjectMapper;
 import lombok.Data;
-import lombok.extern.slf4j.Slf4j;
+import org.hibernate.annotations.Type;
+import org.hibernate.annotations.TypeDef;
 import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.id.WidgetTypeId;
 import org.thingsboard.server.common.data.widget.WidgetType;
 import org.thingsboard.server.dao.model.BaseEntity;
 import org.thingsboard.server.dao.model.ModelConstants;
+import org.thingsboard.server.dao.util.JsonBinaryType;
 
-import java.io.IOException;
+import javax.persistence.*;
 import java.util.UUID;
 
-@Slf4j
 @Data
 @Entity
+@TypeDef(name = "jsonb", typeClass = JsonBinaryType.class)
 @Table(name = ModelConstants.WIDGET_TYPE_COLUMN_FAMILY_NAME)
 public final class WidgetTypeEntity implements BaseEntity<WidgetType> {
 
@@ -63,8 +58,9 @@ public final class WidgetTypeEntity implements BaseEntity<WidgetType> {
     @Column(name = ModelConstants.WIDGET_TYPE_NAME_PROPERTY)
     private String name;
 
-    @Column(name = ModelConstants.WIDGET_TYPE_DESCRIPTOR_PROPERTY)
-    private String descriptor;
+    @Type(type="jsonb")
+    @Column(name = ModelConstants.WIDGET_TYPE_DESCRIPTOR_PROPERTY, columnDefinition = "jsonb")
+    private JsonNode descriptor;
 
     public WidgetTypeEntity() {
         super();
@@ -80,9 +76,7 @@ public final class WidgetTypeEntity implements BaseEntity<WidgetType> {
         this.bundleAlias = widgetType.getBundleAlias();
         this.alias = widgetType.getAlias();
         this.name = widgetType.getName();
-        if (widgetType.getDescriptor() != null) {
-            this.descriptor = widgetType.getDescriptor().toString();
-        }
+        this.descriptor = widgetType.getDescriptor();
     }
 
     @Override
@@ -144,15 +138,7 @@ public final class WidgetTypeEntity implements BaseEntity<WidgetType> {
         widgetType.setBundleAlias(bundleAlias);
         widgetType.setAlias(alias);
         widgetType.setName(name);
-        ObjectMapper mapper = new ObjectMapper();
-        if (descriptor != null) {
-            try {
-                JsonNode jsonNode = mapper.readTree(descriptor);
-                widgetType.setDescriptor(jsonNode);
-            } catch (IOException e) {
-                log.warn(String.format("Error parsing JsonNode: %s. Reason: %s ", descriptor, e.getMessage()), e);
-            }
-        }
+        widgetType.setDescriptor(descriptor);
         return widgetType;
     }
 
diff --git a/dao/src/main/java/org/thingsboard/server/dao/sql/JpaAbstractDao.java b/dao/src/main/java/org/thingsboard/server/dao/sql/JpaAbstractDao.java
index 0d04577221..8d0100d9ad 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/sql/JpaAbstractDao.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/sql/JpaAbstractDao.java
@@ -41,8 +41,6 @@ public abstract class JpaAbstractDao<E extends BaseEntity<D>, D> implements Dao<
 
     protected abstract Class<E> getEntityClass();
 
-    protected abstract String getColumnFamilyName();
-
     protected abstract CrudRepository<E, UUID> getCrudRepository();
 
     protected boolean isSearchTextDao() {
@@ -93,7 +91,6 @@ public abstract class JpaAbstractDao<E extends BaseEntity<D>, D> implements Dao<
 
     @Override
     public List<D> find() {
-        log.debug("Get all entities from column family {}", getColumnFamilyName());
         List<E> entities = Lists.newArrayList(getCrudRepository().findAll());
         return DaoUtil.convertDataList(entities);
     }
diff --git a/dao/src/main/java/org/thingsboard/server/dao/sql/component/JpaBaseComponentDescriptorDao.java b/dao/src/main/java/org/thingsboard/server/dao/sql/component/JpaBaseComponentDescriptorDao.java
index 440cce02f6..596d142dd9 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/sql/component/JpaBaseComponentDescriptorDao.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/sql/component/JpaBaseComponentDescriptorDao.java
@@ -50,11 +50,6 @@ public class JpaBaseComponentDescriptorDao extends JpaAbstractSearchTextDao<Comp
         return ComponentDescriptorEntity.class;
     }
 
-    @Override
-    protected String getColumnFamilyName() {
-        return ModelConstants.COMPONENT_DESCRIPTOR_COLUMN_FAMILY_NAME;
-    }
-
     @Override
     protected CrudRepository<ComponentDescriptorEntity, UUID> getCrudRepository() {
         return componentDescriptorRepository;
diff --git a/dao/src/main/java/org/thingsboard/server/dao/sql/customer/CustomerRepository.java b/dao/src/main/java/org/thingsboard/server/dao/sql/customer/CustomerRepository.java
index 5687ebbc99..b26be064f6 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/sql/customer/CustomerRepository.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/sql/customer/CustomerRepository.java
@@ -40,6 +40,4 @@ public interface CustomerRepository extends CrudRepository<CustomerEntity, UUID>
             "AND ID > ?4 ORDER BY ID LIMIT ?1")
     List<CustomerEntity> findByTenantIdNextPage(int limit, UUID tenantId, String textSearch, UUID idOffset);
 
-    @Query(nativeQuery = true, value = "SELECT * FROM CUSTOMER WHERE TENANT_ID = ?1")
-    List<CustomerEntity> findByTenantId(UUID tenantId);
 }
diff --git a/dao/src/main/java/org/thingsboard/server/dao/sql/customer/JpaCustomerDao.java b/dao/src/main/java/org/thingsboard/server/dao/sql/customer/JpaCustomerDao.java
index 07d7fc9c1b..3dfaccdec8 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/sql/customer/JpaCustomerDao.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/sql/customer/JpaCustomerDao.java
@@ -45,11 +45,6 @@ public class JpaCustomerDao extends JpaAbstractSearchTextDao<CustomerEntity, Cus
         return CustomerEntity.class;
     }
 
-    @Override
-    protected String getColumnFamilyName() {
-        return ModelConstants.CUSTOMER_COLUMN_FAMILY_NAME;
-    }
-
     @Override
     protected CrudRepository<CustomerEntity, UUID> getCrudRepository() {
         return customerRepository;
diff --git a/dao/src/main/java/org/thingsboard/server/dao/sql/dashboard/JpaDashboardDao.java b/dao/src/main/java/org/thingsboard/server/dao/sql/dashboard/JpaDashboardDao.java
index 5d0c7bb86f..5f14110af4 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/sql/dashboard/JpaDashboardDao.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/sql/dashboard/JpaDashboardDao.java
@@ -43,11 +43,6 @@ public class JpaDashboardDao extends JpaAbstractSearchTextDao<DashboardEntity, D
         return DashboardEntity.class;
     }
 
-    @Override
-    protected String getColumnFamilyName() {
-        return DASHBOARD_COLUMN_FAMILY_NAME;
-    }
-
     @Override
     protected CrudRepository<DashboardEntity, UUID> getCrudRepository() {
         return dashboardRepository;
diff --git a/dao/src/main/java/org/thingsboard/server/dao/sql/dashboard/JpaDashboardInfoDao.java b/dao/src/main/java/org/thingsboard/server/dao/sql/dashboard/JpaDashboardInfoDao.java
index 698cb31684..81f73092d5 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/sql/dashboard/JpaDashboardInfoDao.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/sql/dashboard/JpaDashboardInfoDao.java
@@ -46,11 +46,6 @@ public class JpaDashboardInfoDao extends JpaAbstractSearchTextDao<DashboardInfoE
         return DashboardInfoEntity.class;
     }
 
-    @Override
-    protected String getColumnFamilyName() {
-        return DASHBOARD_COLUMN_FAMILY_NAME;
-    }
-
     @Override
     protected CrudRepository getCrudRepository() {
         return dashboardInfoRepository;
diff --git a/dao/src/main/java/org/thingsboard/server/dao/sql/device/JpaDeviceCredentialsDao.java b/dao/src/main/java/org/thingsboard/server/dao/sql/device/JpaDeviceCredentialsDao.java
index 331ebdb703..0cb3489f5d 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/sql/device/JpaDeviceCredentialsDao.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/sql/device/JpaDeviceCredentialsDao.java
@@ -43,13 +43,6 @@ public class JpaDeviceCredentialsDao extends JpaAbstractDao<DeviceCredentialsEnt
         return DeviceCredentialsEntity.class;
     }
 
-    @Override
-    protected String getColumnFamilyName() {
-        {
-            return ModelConstants.DEVICE_CREDENTIALS_COLUMN_FAMILY_NAME;
-        }
-    }
-
     @Override
     protected CrudRepository<DeviceCredentialsEntity, UUID> getCrudRepository() {
         return deviceCredentialsRepository;
diff --git a/dao/src/main/java/org/thingsboard/server/dao/sql/device/JpaDeviceDao.java b/dao/src/main/java/org/thingsboard/server/dao/sql/device/JpaDeviceDao.java
index 730eb8bd13..c9b9c75d89 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/sql/device/JpaDeviceDao.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/sql/device/JpaDeviceDao.java
@@ -51,11 +51,6 @@ public class JpaDeviceDao extends JpaAbstractSearchTextDao<DeviceEntity, Device>
         return DeviceEntity.class;
     }
 
-    @Override
-    protected String getColumnFamilyName() {
-        return DEVICE_COLUMN_FAMILY_NAME;
-    }
-
     @Override
     protected CrudRepository<DeviceEntity, UUID> getCrudRepository() {
         return deviceRepository;
diff --git a/dao/src/main/java/org/thingsboard/server/dao/sql/event/JpaBaseEventDao.java b/dao/src/main/java/org/thingsboard/server/dao/sql/event/JpaBaseEventDao.java
index 9dd6070e1c..efe5908f43 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/sql/event/JpaBaseEventDao.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/sql/event/JpaBaseEventDao.java
@@ -66,11 +66,6 @@ public class JpaBaseEventDao extends JpaAbstractSearchTimeDao<EventEntity, Event
         return EventEntity.class;
     }
 
-    @Override
-    protected String getColumnFamilyName() {
-        return EVENT_COLUMN_FAMILY_NAME;
-    }
-
     @Override
     protected CrudRepository<EventEntity, UUID> getCrudRepository() {
         return eventRepository;
diff --git a/dao/src/main/java/org/thingsboard/server/dao/sql/plugin/JpaBasePluginDao.java b/dao/src/main/java/org/thingsboard/server/dao/sql/plugin/JpaBasePluginDao.java
index 44e43d5e03..b4ad114a41 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/sql/plugin/JpaBasePluginDao.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/sql/plugin/JpaBasePluginDao.java
@@ -51,11 +51,6 @@ public class JpaBasePluginDao extends JpaAbstractSearchTextDao<PluginMetaDataEnt
         return PluginMetaDataEntity.class;
     }
 
-    @Override
-    protected String getColumnFamilyName() {
-        return ModelConstants.PLUGIN_COLUMN_FAMILY_NAME;
-    }
-
     @Override
     protected CrudRepository<PluginMetaDataEntity, UUID> getCrudRepository() {
         return pluginMetaDataRepository;
diff --git a/dao/src/main/java/org/thingsboard/server/dao/sql/rule/JpaBaseRuleDao.java b/dao/src/main/java/org/thingsboard/server/dao/sql/rule/JpaBaseRuleDao.java
index b368b3bf9c..b5e6bf556d 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/sql/rule/JpaBaseRuleDao.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/sql/rule/JpaBaseRuleDao.java
@@ -50,10 +50,6 @@ public class JpaBaseRuleDao extends JpaAbstractSearchTextDao<RuleMetaDataEntity,
     protected Class<RuleMetaDataEntity> getEntityClass() {
         return RuleMetaDataEntity.class;
     }
-    @Override
-    protected String getColumnFamilyName() {
-        return ModelConstants.RULE_COLUMN_FAMILY_NAME;
-    }
 
     @Override
     protected CrudRepository<RuleMetaDataEntity, UUID> getCrudRepository() {
diff --git a/dao/src/main/java/org/thingsboard/server/dao/sql/settings/JpaAdminSettingsDao.java b/dao/src/main/java/org/thingsboard/server/dao/sql/settings/JpaAdminSettingsDao.java
index 7373cd8140..b1e2326f41 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/sql/settings/JpaAdminSettingsDao.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/sql/settings/JpaAdminSettingsDao.java
@@ -40,11 +40,6 @@ public class JpaAdminSettingsDao extends JpaAbstractDao<AdminSettingsEntity, Adm
         return AdminSettingsEntity.class;
     }
 
-    @Override
-    protected String getColumnFamilyName() {
-        return ADMIN_SETTINGS_COLUMN_FAMILY_NAME;
-    }
-
     @Override
     protected CrudRepository<AdminSettingsEntity, UUID> getCrudRepository() {
         return adminSettingsRepository;
diff --git a/dao/src/main/java/org/thingsboard/server/dao/sql/tenant/JpaTenantDao.java b/dao/src/main/java/org/thingsboard/server/dao/sql/tenant/JpaTenantDao.java
index cbe173831d..f2feef25f5 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/sql/tenant/JpaTenantDao.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/sql/tenant/JpaTenantDao.java
@@ -47,11 +47,6 @@ public class JpaTenantDao extends JpaAbstractSearchTextDao<TenantEntity, Tenant>
         return TenantEntity.class;
     }
 
-    @Override
-    protected String getColumnFamilyName() {
-        return TENANT_COLUMN_FAMILY_NAME;
-    }
-
     @Override
     protected CrudRepository<TenantEntity, UUID> getCrudRepository() {
         return tenantRepository;
diff --git a/dao/src/main/java/org/thingsboard/server/dao/sql/user/JpaUserCredentialsDao.java b/dao/src/main/java/org/thingsboard/server/dao/sql/user/JpaUserCredentialsDao.java
index fa119b679f..828909cca2 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/sql/user/JpaUserCredentialsDao.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/sql/user/JpaUserCredentialsDao.java
@@ -44,11 +44,6 @@ public class JpaUserCredentialsDao extends JpaAbstractDao<UserCredentialsEntity,
         return UserCredentialsEntity.class;
     }
 
-    @Override
-    protected String getColumnFamilyName() {
-        return ModelConstants.USER_CREDENTIALS_COLUMN_FAMILY_NAME;
-    }
-
     @Override
     protected CrudRepository<UserCredentialsEntity, UUID> getCrudRepository() {
         return userCredentialsRepository;
diff --git a/dao/src/main/java/org/thingsboard/server/dao/sql/user/JpaUserDao.java b/dao/src/main/java/org/thingsboard/server/dao/sql/user/JpaUserDao.java
index 3008f59016..1a3c6eaf2d 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/sql/user/JpaUserDao.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/sql/user/JpaUserDao.java
@@ -45,11 +45,6 @@ public class JpaUserDao extends JpaAbstractDao<UserEntity, User> implements User
         return UserEntity.class;
     }
 
-    @Override
-    protected String getColumnFamilyName() {
-        return ModelConstants.USER_COLUMN_FAMILY_NAME;
-    }
-
     @Override
     protected CrudRepository<UserEntity, UUID> getCrudRepository() {
         return userRepository;
diff --git a/dao/src/main/java/org/thingsboard/server/dao/sql/widget/JpaWidgetTypeDao.java b/dao/src/main/java/org/thingsboard/server/dao/sql/widget/JpaWidgetTypeDao.java
index 2146a8ff11..58f9346239 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/sql/widget/JpaWidgetTypeDao.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/sql/widget/JpaWidgetTypeDao.java
@@ -45,11 +45,6 @@ public class JpaWidgetTypeDao extends JpaAbstractDao<WidgetTypeEntity, WidgetTyp
         return WidgetTypeEntity.class;
     }
 
-    @Override
-    protected String getColumnFamilyName() {
-        return WIDGET_TYPE_COLUMN_FAMILY_NAME;
-    }
-
     @Override
     protected CrudRepository<WidgetTypeEntity, UUID> getCrudRepository() {
         return widgetTypeRepository;
diff --git a/dao/src/main/java/org/thingsboard/server/dao/sql/widget/JpaWidgetsBundleDao.java b/dao/src/main/java/org/thingsboard/server/dao/sql/widget/JpaWidgetsBundleDao.java
index 4288e5ab74..b2f0de6b1f 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/sql/widget/JpaWidgetsBundleDao.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/sql/widget/JpaWidgetsBundleDao.java
@@ -47,11 +47,6 @@ public class JpaWidgetsBundleDao extends JpaAbstractSearchTextDao<WidgetsBundleE
         return WidgetsBundleEntity.class;
     }
 
-    @Override
-    protected String getColumnFamilyName() {
-        return WIDGETS_BUNDLE_COLUMN_FAMILY_NAME;
-    }
-
     @Override
     protected CrudRepository<WidgetsBundleEntity, UUID> getCrudRepository() {
         return widgetsBundleRepository;
diff --git a/dao/src/main/java/org/thingsboard/server/dao/util/JacksonUtil.java b/dao/src/main/java/org/thingsboard/server/dao/util/JacksonUtil.java
new file mode 100644
index 0000000000..5b1f5455ce
--- /dev/null
+++ b/dao/src/main/java/org/thingsboard/server/dao/util/JacksonUtil.java
@@ -0,0 +1,60 @@
+/**
+ * Copyright © 2016-2017 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.dao.util;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+import java.io.IOException;
+
+/**
+ * Created by Valerii Sosliuk on 5/12/2017.
+ */
+public class JacksonUtil {
+
+    public static final ObjectMapper OBJECT_MAPPER = new ObjectMapper();
+
+    public static <T> T fromString(String string, Class<T> clazz) {
+        try {
+            return OBJECT_MAPPER.readValue(string, clazz);
+        } catch (IOException e) {
+            throw new IllegalArgumentException("The given string value: "
+                    + string + " cannot be transformed to Json object");
+        }
+    }
+
+    public static String toString(Object value) {
+        try {
+            return OBJECT_MAPPER.writeValueAsString(value);
+        } catch (JsonProcessingException e) {
+            throw new IllegalArgumentException("The given Json object value: "
+                    + value + " cannot be transformed to a String");
+        }
+    }
+
+    public static JsonNode toJsonNode(String value) {
+        try {
+            return OBJECT_MAPPER.readTree(value);
+        } catch (IOException e) {
+            throw new IllegalArgumentException(e);
+        }
+    }
+
+    public static <T> T clone(T value) {
+        return fromString(toString(value), (Class<T>) value.getClass());
+    }
+}
\ No newline at end of file
diff --git a/dao/src/main/java/org/thingsboard/server/dao/util/JsonBinarySqlTypeDescriptor.java b/dao/src/main/java/org/thingsboard/server/dao/util/JsonBinarySqlTypeDescriptor.java
new file mode 100644
index 0000000000..77c768712e
--- /dev/null
+++ b/dao/src/main/java/org/thingsboard/server/dao/util/JsonBinarySqlTypeDescriptor.java
@@ -0,0 +1,114 @@
+/**
+ * Copyright © 2016-2017 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.dao.util;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import org.hibernate.type.descriptor.ValueBinder;
+import org.hibernate.type.descriptor.ValueExtractor;
+import org.hibernate.type.descriptor.WrapperOptions;
+import org.hibernate.type.descriptor.java.JavaTypeDescriptor;
+import org.hibernate.type.descriptor.sql.BasicBinder;
+import org.hibernate.type.descriptor.sql.BasicExtractor;
+import org.hibernate.type.descriptor.sql.SqlTypeDescriptor;
+
+import java.sql.*;
+
+/**
+ * Created by Valerii Sosliuk on 5/12/2017.
+ */
+public class JsonBinarySqlTypeDescriptor
+        implements SqlTypeDescriptor {
+
+    public static final JsonBinarySqlTypeDescriptor INSTANCE =
+            new JsonBinarySqlTypeDescriptor();
+
+    @Override
+    public int getSqlType() {
+        return Types.OTHER;
+    }
+
+    @Override
+    public boolean canBeRemapped() {
+        return true;
+    }
+
+    @Override
+    public <X> ValueExtractor<X> getExtractor(
+            final JavaTypeDescriptor<X> javaTypeDescriptor) {
+        return new BasicExtractor<X>(javaTypeDescriptor, this) {
+            @Override
+            protected X doExtract(
+                    ResultSet rs,
+                    String name,
+                    WrapperOptions options) throws SQLException {
+                return javaTypeDescriptor.wrap(
+                        rs.getObject(name), options
+                );
+            }
+
+            @Override
+            protected X doExtract(
+                    CallableStatement statement,
+                    int index,
+                    WrapperOptions options) throws SQLException {
+                return javaTypeDescriptor.wrap(
+                        statement.getObject(index), options
+                );
+            }
+
+            @Override
+            protected X doExtract(
+                    CallableStatement statement,
+                    String name,
+                    WrapperOptions options) throws SQLException {
+                return javaTypeDescriptor.wrap(
+                        statement.getObject(name), options
+                );
+            }
+        };
+    }
+
+    @Override
+    public <X> ValueBinder<X> getBinder(
+            final JavaTypeDescriptor<X> javaTypeDescriptor) {
+        return new BasicBinder<X>(javaTypeDescriptor, this) {
+            @Override
+            protected void doBind(
+                    PreparedStatement st,
+                    X value,
+                    int index,
+                    WrapperOptions options) throws SQLException {
+                st.setObject(index,
+                        javaTypeDescriptor.unwrap(
+                                value, JsonNode.class, options), getSqlType()
+                );
+            }
+
+            @Override
+            protected void doBind(
+                    CallableStatement st,
+                    X value,
+                    String name,
+                    WrapperOptions options)
+                    throws SQLException {
+                st.setObject(name,
+                        javaTypeDescriptor.unwrap(
+                                value, JsonNode.class, options), getSqlType()
+                );
+            }
+        };
+    }
+}
\ No newline at end of file
diff --git a/dao/src/main/java/org/thingsboard/server/dao/util/JsonBinaryType.java b/dao/src/main/java/org/thingsboard/server/dao/util/JsonBinaryType.java
new file mode 100644
index 0000000000..96a49c9a39
--- /dev/null
+++ b/dao/src/main/java/org/thingsboard/server/dao/util/JsonBinaryType.java
@@ -0,0 +1,44 @@
+/**
+ * Copyright © 2016-2017 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.dao.util;
+
+import org.hibernate.type.AbstractSingleColumnStandardBasicType;
+import org.hibernate.usertype.DynamicParameterizedType;
+
+import java.util.Properties;
+
+/**
+ * Created by Valerii Sosliuk on 5/12/2017.
+ */
+public class JsonBinaryType   extends AbstractSingleColumnStandardBasicType<Object>
+        implements DynamicParameterizedType {
+
+    public JsonBinaryType() {
+        super(
+                JsonBinarySqlTypeDescriptor.INSTANCE,
+                new JsonTypeDescriptor()
+        );
+    }
+
+    public String getName() {
+        return "jsonb";
+    }
+
+    @Override
+    public void setParameterValues(Properties parameters) {
+        ((JsonTypeDescriptor) getJavaTypeDescriptor())
+                .setParameterValues(parameters);
+    }}
\ No newline at end of file
diff --git a/dao/src/main/java/org/thingsboard/server/dao/util/JsonTypeDescriptor.java b/dao/src/main/java/org/thingsboard/server/dao/util/JsonTypeDescriptor.java
new file mode 100644
index 0000000000..aeca9297ad
--- /dev/null
+++ b/dao/src/main/java/org/thingsboard/server/dao/util/JsonTypeDescriptor.java
@@ -0,0 +1,95 @@
+/**
+ * Copyright © 2016-2017 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.dao.util;
+
+import org.hibernate.type.descriptor.WrapperOptions;
+import org.hibernate.type.descriptor.java.AbstractTypeDescriptor;
+import org.hibernate.type.descriptor.java.MutableMutabilityPlan;
+import org.hibernate.usertype.DynamicParameterizedType;
+
+import java.util.Properties;
+
+/**
+ * Created by Valerii Sosliuk on 5/12/2017.
+ */
+public class JsonTypeDescriptor
+        extends AbstractTypeDescriptor<Object>
+        implements DynamicParameterizedType {
+
+    private Class<?> jsonObjectClass;
+
+    @Override
+    public void setParameterValues(Properties parameters) {
+        jsonObjectClass = ( (ParameterType) parameters.get( PARAMETER_TYPE ) )
+                .getReturnedClass();
+
+    }
+
+    public JsonTypeDescriptor() {
+        super( Object.class, new MutableMutabilityPlan<Object>() {
+            @Override
+            protected Object deepCopyNotNull(Object value) {
+                return JacksonUtil.clone(value);
+            }
+        });
+    }
+
+    @Override
+    public boolean areEqual(Object one, Object another) {
+        if ( one == another ) {
+            return true;
+        }
+        if ( one == null || another == null ) {
+            return false;
+        }
+        return JacksonUtil.toJsonNode(JacksonUtil.toString(one)).equals(
+                JacksonUtil.toJsonNode(JacksonUtil.toString(another)));
+    }
+
+    @Override
+    public String toString(Object value) {
+        return JacksonUtil.toString(value);
+    }
+
+    @Override
+    public Object fromString(String string) {
+        return JacksonUtil.fromString(string, jsonObjectClass);
+    }
+
+    @SuppressWarnings({ "unchecked" })
+    @Override
+    public <X> X unwrap(Object value, Class<X> type, WrapperOptions options) {
+        if ( value == null ) {
+            return null;
+        }
+        if ( String.class.isAssignableFrom( type ) ) {
+            return (X) toString(value);
+        }
+        if ( Object.class.isAssignableFrom( type ) ) {
+            return (X) JacksonUtil.toJsonNode(toString(value));
+        }
+        throw unknownUnwrap( type );
+    }
+
+    @Override
+    public <X> Object wrap(X value, WrapperOptions options) {
+        if ( value == null ) {
+            return null;
+        }
+        return fromString(value.toString());
+    }
+
+}
\ No newline at end of file
diff --git a/dao/src/test/java/org/thingsboard/server/dao/sql/plugin/JpaBasePluginDaoTest.java b/dao/src/test/java/org/thingsboard/server/dao/sql/plugin/JpaBasePluginDaoTest.java
index 31a6c58376..542f26fa16 100644
--- a/dao/src/test/java/org/thingsboard/server/dao/sql/plugin/JpaBasePluginDaoTest.java
+++ b/dao/src/test/java/org/thingsboard/server/dao/sql/plugin/JpaBasePluginDaoTest.java
@@ -16,7 +16,9 @@
 package org.thingsboard.server.dao.sql.plugin;
 
 import com.datastax.driver.core.utils.UUIDs;
+import com.github.springtestdbunit.annotation.DatabaseOperation;
 import com.github.springtestdbunit.annotation.DatabaseSetup;
+import com.github.springtestdbunit.annotation.DatabaseTearDown;
 import org.junit.Test;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.thingsboard.server.common.data.id.PluginId;
@@ -45,7 +47,6 @@ public class JpaBasePluginDaoTest extends AbstractJpaDaoTest {
         UUID tenantId1 = UUIDs.timeBased();
         UUID tenantId2 = UUIDs.timeBased();
         createPluginsTwoTenants(tenantId1, tenantId2, "plugin_");
-        assertEquals(60, pluginDao.find().size());
         List<PluginMetaData> rules1 = pluginDao.findByTenantIdAndPageLink(
                 new TenantId(tenantId1), new TextPageLink(20, "plugin_"));
         assertEquals(20, rules1.size());
@@ -60,7 +61,7 @@ public class JpaBasePluginDaoTest extends AbstractJpaDaoTest {
     }
 
     @Test
-    @DatabaseSetup("classpath:dbunit/empty_dataset.xml")
+    @DatabaseSetup(value = "classpath:dbunit/empty_dataset.xml")
     public void testFindAllTenantRulesByTenantId() {
         UUID tenantId1 = UUIDs.timeBased();
         UUID tenantId2 = UUIDs.timeBased();
diff --git a/dao/src/test/java/org/thingsboard/server/dao/sql/rule/JpaBaseRuleDaoTest.java b/dao/src/test/java/org/thingsboard/server/dao/sql/rule/JpaBaseRuleDaoTest.java
index 9e2141db8e..7779652492 100644
--- a/dao/src/test/java/org/thingsboard/server/dao/sql/rule/JpaBaseRuleDaoTest.java
+++ b/dao/src/test/java/org/thingsboard/server/dao/sql/rule/JpaBaseRuleDaoTest.java
@@ -16,6 +16,7 @@
 package org.thingsboard.server.dao.sql.rule;
 
 import com.datastax.driver.core.utils.UUIDs;
+import com.fasterxml.jackson.databind.ObjectMapper;
 import com.github.springtestdbunit.annotation.DatabaseSetup;
 import org.junit.Test;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -26,6 +27,7 @@ import org.thingsboard.server.common.data.rule.RuleMetaData;
 import org.thingsboard.server.dao.AbstractJpaDaoTest;
 import org.thingsboard.server.dao.rule.RuleDao;
 
+import java.io.IOException;
 import java.util.List;
 import java.util.UUID;
 
@@ -38,12 +40,38 @@ import static org.junit.Assert.assertNotNull;
 public class JpaBaseRuleDaoTest extends AbstractJpaDaoTest {
 
     @Autowired
-    private RuleDao jpaBaseRuleDao;
+    private RuleDao ruleDao;
+
+    @Test
+    @DatabaseSetup("classpath:dbunit/empty_dataset.xml")
+    public void testSave() throws IOException {
+        UUID id = UUIDs.timeBased();
+        RuleMetaData ruleMetaData = new RuleMetaData();
+        ruleMetaData.setId(new RuleId(id));
+        ruleMetaData.setTenantId(new TenantId(UUIDs.timeBased()));
+        ruleMetaData.setName("test");
+        String filters = "{\"filters\":\"value-1\"}";
+        String processor = "{\"processor\":\"value-2\"}";
+        String action = "{\"action\":\"value-3\"}";
+        String additionalInfo = "{\"additionalInfo\":\"value-4\"}";
+        ObjectMapper mapper = new ObjectMapper();
+        ruleMetaData.setFilters(mapper.readTree(filters));
+        ruleMetaData.setProcessor(mapper.readTree(processor));
+        ruleMetaData.setAction(mapper.readTree(action));
+        ruleMetaData.setAdditionalInfo(mapper.readTree(additionalInfo));
+        ruleDao.save(ruleMetaData);
+        RuleMetaData savedRule = ruleDao.findById(id);
+        assertNotNull(savedRule);
+        assertEquals(filters, savedRule.getFilters().toString());
+        assertEquals(processor, savedRule.getProcessor().toString());
+        assertEquals(action, savedRule.getAction().toString());
+        assertEquals(additionalInfo, savedRule.getAdditionalInfo().toString());
+    }
 
     @Test
     @DatabaseSetup("classpath:dbunit/rule.xml")
     public void testFindRulesByPlugin() {
-        assertEquals(3, jpaBaseRuleDao.findRulesByPlugin("token_1").size());
+        assertEquals(3, ruleDao.findRulesByPlugin("token_1").size());
     }
 
     @Test
@@ -52,15 +80,15 @@ public class JpaBaseRuleDaoTest extends AbstractJpaDaoTest {
         UUID tenantId1 = UUIDs.timeBased();
         UUID tenantId2 = UUIDs.timeBased();
         createRulesTwoTenants(tenantId1, tenantId2, "name_", "token");
-        List<RuleMetaData> rules1 = jpaBaseRuleDao.findByTenantIdAndPageLink(
+        List<RuleMetaData> rules1 = ruleDao.findByTenantIdAndPageLink(
                 new TenantId(tenantId1), new TextPageLink(20, "name_"));
         assertEquals(20, rules1.size());
 
-        List<RuleMetaData> rules2 = jpaBaseRuleDao.findByTenantIdAndPageLink(new TenantId(tenantId1),
+        List<RuleMetaData> rules2 = ruleDao.findByTenantIdAndPageLink(new TenantId(tenantId1),
                 new TextPageLink(20, "name_", rules1.get(19).getId().getId(), null));
         assertEquals(10, rules2.size());
 
-        List<RuleMetaData> rules3 = jpaBaseRuleDao.findByTenantIdAndPageLink(new TenantId(tenantId1),
+        List<RuleMetaData> rules3 = ruleDao.findByTenantIdAndPageLink(new TenantId(tenantId1),
                 new TextPageLink(20, "name_", rules2.get(9).getId().getId(), null));
         assertEquals(0, rules3.size());
     }
@@ -71,15 +99,15 @@ public class JpaBaseRuleDaoTest extends AbstractJpaDaoTest {
         UUID tenantId1 = UUIDs.timeBased();
         UUID tenantId2 = UUIDs.timeBased();
         createTenantsAndSystemRules(tenantId1, tenantId2, "name_", "token");
-        List<RuleMetaData> rules1 = jpaBaseRuleDao.findAllTenantRulesByTenantId(
+        List<RuleMetaData> rules1 = ruleDao.findAllTenantRulesByTenantId(
                 tenantId1, new TextPageLink(40, "name_"));
         assertEquals(40, rules1.size());
 
-        List<RuleMetaData> rules2 = jpaBaseRuleDao.findAllTenantRulesByTenantId(tenantId1,
+        List<RuleMetaData> rules2 = ruleDao.findAllTenantRulesByTenantId(tenantId1,
                 new TextPageLink(40, "name_", rules1.get(39).getId().getId(), null));
         assertEquals(20, rules2.size());
 
-        List<RuleMetaData> rules3 = jpaBaseRuleDao.findAllTenantRulesByTenantId(tenantId1,
+        List<RuleMetaData> rules3 = ruleDao.findAllTenantRulesByTenantId(tenantId1,
                 new TextPageLink(40, "name_", rules2.get(19).getId().getId(), null));
         assertEquals(0, rules3.size());
     }
@@ -105,6 +133,6 @@ public class JpaBaseRuleDaoTest extends AbstractJpaDaoTest {
         ruleMetaData.setTenantId(new TenantId(tenantId));
         ruleMetaData.setName(namePrefix + i);
         ruleMetaData.setPluginToken(pluginToken);
-        jpaBaseRuleDao.save(ruleMetaData);
+        ruleDao.save(ruleMetaData);
     }
 }
diff --git a/dao/src/test/java/org/thingsboard/server/dao/sql/user/JpaUserDaoTest.java b/dao/src/test/java/org/thingsboard/server/dao/sql/user/JpaUserDaoTest.java
index 9d719ba4bd..17463baf28 100644
--- a/dao/src/test/java/org/thingsboard/server/dao/sql/user/JpaUserDaoTest.java
+++ b/dao/src/test/java/org/thingsboard/server/dao/sql/user/JpaUserDaoTest.java
@@ -62,7 +62,6 @@ public class JpaUserDaoTest extends AbstractJpaDaoTest {
         assertEquals(Authority.SYS_ADMIN, user.getAuthority());
         assertEquals("John", user.getFirstName());
         assertEquals("Doe", user.getLastName());
-        assertEquals("{\"key\":\"value-0\"}", user.getAdditionalInfo().toString());
     }
 
     @Test
@@ -114,7 +113,9 @@ public class JpaUserDaoTest extends AbstractJpaDaoTest {
         userDao.save(user);
         assertEquals(6, userDao.find().size());
         User savedUser = userDao.findByEmail("user@thingsboard.org");
+        //User savedUser = userDao.findById(UUID.fromString("cd481534-27cc-11e7-93ae-92361f002671"));
         assertNotNull(savedUser);
+        assertEquals(additionalInfo, savedUser.getAdditionalInfo().toString());
     }
 
     private void create30Adminsand60Users(UUID tenantId, UUID customerId) {
diff --git a/dao/src/test/java/org/thingsboard/server/dao/sql/widget/JpaWidgetsBundleDaoTest.java b/dao/src/test/java/org/thingsboard/server/dao/sql/widget/JpaWidgetsBundleDaoTest.java
index 7c1df06203..9733d4bb7f 100644
--- a/dao/src/test/java/org/thingsboard/server/dao/sql/widget/JpaWidgetsBundleDaoTest.java
+++ b/dao/src/test/java/org/thingsboard/server/dao/sql/widget/JpaWidgetsBundleDaoTest.java
@@ -137,12 +137,12 @@ public class JpaWidgetsBundleDaoTest extends AbstractJpaDaoTest {
     @Test
     @DatabaseSetup("classpath:dbunit/empty_dataset.xml")
     @DatabaseTearDown(value = "classpath:dbunit/empty_dataset.xml", type= DatabaseOperation.DELETE_ALL)
-    public void testNonSearchTextNotFound() {
+    public void testSearchTextNotFound() {
         UUID tenantId = UUIDs.timeBased();
         createWidgetBundles(5, tenantId, "ABC_");
         createSystemWidgetBundles(5, "SYS_");
 
-        TextPageLink textPageLink = new TextPageLink(30, "WB");
+        TextPageLink textPageLink = new TextPageLink(30, "TEXT_NOT_FOUND");
         List<WidgetsBundle> widgetsBundles4 = widgetsBundleDao.findAllTenantWidgetsBundlesByTenantId(tenantId, textPageLink);
         assertEquals(0, widgetsBundles4.size());
     }
diff --git a/dao/src/test/resources/dbunit/users.xml b/dao/src/test/resources/dbunit/users.xml
index 9576b5c3be..4b704a0a2e 100644
--- a/dao/src/test/resources/dbunit/users.xml
+++ b/dao/src/test/resources/dbunit/users.xml
@@ -7,7 +7,6 @@
           search_text="SYSADM SEARCH TEXT"
           first_name="John"
           last_name="Doe"
-          additional_info="{&quot;key&quot;:&quot;value-0&quot;}"
     />
     <tb_user id="1312f328-27c7-11e7-93ae-92361f002671"
           tenant_id="1e1cd4c8-27c7-11e7-93ae-92361f002671"
@@ -16,7 +15,6 @@
           search_text="TENANTADM1 SEARCH TEXT"
           first_name="Samuel"
           last_name="Serif"
-          additional_info="{&quot;key&quot;:&quot;value-11&quot;}"
     />
     <tb_user id="2b090dde-27ca-11e7-93ae-92361f002671"
           tenant_id="1e1cd4c8-27c7-11e7-93ae-92361f002671"
@@ -25,7 +23,6 @@
           search_text="TENANTADM2 SEARCH TEXT"
           first_name="Penny"
           last_name="Morgan"
-          additional_info="{&quot;key&quot;:&quot;value-12&quot;}"
     />
     <tb_user id="cc8c1ca8-27c7-11e7-93ae-92361f002671"
           tenant_id="d2e27caa-27c7-11e7-93ae-92361f002671"
@@ -35,7 +32,6 @@
           search_text="CUSTOMER USER SEARCH TEXT"
           first_name="Norman"
           last_name="Gordon"
-          additional_info="{&quot;key&quot;:&quot;value-2&quot;}"
     />
     <tb_user id="edb2de58-27c7-11e7-93ae-92361f002671"
           tenant_id="f229675e-27c7-11e7-93ae-92361f002671"
@@ -45,6 +41,5 @@
           search_text="REFRESH TOKEN SEARCH TEXT"
           first_name="Dianne"
           last_name="Wensleydale"
-          additional_info="{&quot;key&quot;:&quot;value-3&quot;}"
     />
 </dataset>
\ No newline at end of file