Do not create alarm state if alarms creation is disabled

common/data/src/main/java/org/thingsboard/server/common/data/exception/ApiUsageLimitsExceededException.java

@@ -0,0 +1,10 @@
+package org.thingsboard.server.common.data.exception;
+
+public class ApiUsageLimitsExceededException extends RuntimeException {
+    public ApiUsageLimitsExceededException(String message) {
+        super(message);
+    }
+
+    public ApiUsageLimitsExceededException() {
+    }
+}

dao/src/main/java/org/thingsboard/server/dao/alarm/BaseAlarmService.java

@@ -34,6 +34,7 @@ import org.thingsboard.server.common.data.alarm.AlarmQuery;
 import org.thingsboard.server.common.data.alarm.AlarmSearchStatus;
 import org.thingsboard.server.common.data.alarm.AlarmSeverity;
 import org.thingsboard.server.common.data.alarm.AlarmStatus;
+import org.thingsboard.server.common.data.exception.ApiUsageLimitsExceededException;
 import org.thingsboard.server.common.data.id.AlarmId;
 import org.thingsboard.server.common.data.id.CustomerId;
 import org.thingsboard.server.common.data.id.EntityId;
@@ -119,7 +120,7 @@ public class BaseAlarmService extends AbstractEntityService implements AlarmServ
                 Alarm existing = alarmDao.findLatestByOriginatorAndType(alarm.getTenantId(), alarm.getOriginator(), alarm.getType()).get();
                 if (existing == null || existing.getStatus().isCleared()) {
                     if (!alarmCreationEnabled) {
-                        throw new IllegalStateException("Alarm creation is disabled");
+                        throw new ApiUsageLimitsExceededException("Alarms creation is disabled");
                     }
                     return createAlarm(alarm);
                 } else {

rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/profile/DeviceState.java

@@ -29,6 +29,7 @@ import org.thingsboard.server.common.data.alarm.Alarm;
 import org.thingsboard.server.common.data.device.profile.AlarmConditionFilterKey;
 import org.thingsboard.server.common.data.device.profile.AlarmConditionKeyType;
 import org.thingsboard.server.common.data.device.profile.DeviceProfileAlarm;
+import org.thingsboard.server.common.data.exception.ApiUsageLimitsExceededException;
 import org.thingsboard.server.common.data.id.DeviceId;
 import org.thingsboard.server.common.data.id.DeviceProfileId;
 import org.thingsboard.server.common.data.id.EntityId;
@@ -261,7 +262,12 @@ class DeviceState {
                 for (DeviceProfileAlarm alarm : deviceProfile.getAlarmSettings()) {
                     AlarmState alarmState = alarmStates.computeIfAbsent(alarm.getId(),
                             a -> new AlarmState(this.deviceProfile, deviceId, alarm, getOrInitPersistedAlarmState(alarm), dynamicPredicateValueCtx));
-                    stateChanged |= alarmState.process(ctx, msg, latestValues, update);
+                    try {
+                        stateChanged |= alarmState.process(ctx, msg, latestValues, update);
+                    } catch (ApiUsageLimitsExceededException e) {
+                        alarmStates.remove(alarm.getId());
+                        throw e;
+                    }
                 }
             }
         }