Update logging levels

application/src/main/java/org/thingsboard/server/service/install/update/ImagesUpdater.java

@@ -67,7 +67,7 @@ public class ImagesUpdater {
         defaultDashboard.setTenantId(TenantId.SYS_TENANT_ID);
         boolean created = imageService.replaceBase64WithImageUrl(defaultDashboard);
         if (created) {
-            log.info("Created system images for default dashboard '{}'", defaultDashboard.getTitle());
+            log.debug("Created system images for default dashboard '{}'", defaultDashboard.getTitle());
         }
     }
 

dao/src/main/java/org/thingsboard/server/dao/resource/BaseImageService.java

@@ -24,6 +24,7 @@ import lombok.Data;
 import lombok.SneakyThrows;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.StringUtils;
+import org.apache.commons.lang3.exception.ExceptionUtils;
 import org.apache.commons.lang3.tuple.Pair;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Propagation;
@@ -454,7 +455,11 @@ public class BaseImageService extends BaseResourceService implements ImageServic
             try {
                 imageInfo = saveImage(image);
             } catch (Exception e) {
-                log.warn("[{}][{}] Failed to replace Base64 with image url: {}", tenantId, name, StringUtils.abbreviate(data, 50), e);
+                if (log.isDebugEnabled()) { // printing stacktrace
+                    log.warn("[{}][{}] Failed to replace Base64 with image url for {}", tenantId, name, StringUtils.abbreviate(data, 50), e);
+                } else {
+                    log.warn("[{}][{}] Failed to replace Base64 with image url for {}: {}", tenantId, name, StringUtils.abbreviate(data, 50), ExceptionUtils.getMessage(e));
+                }
                 return UpdateResult.of(false, data);
             }
         }