diff --git a/application/src/main/java/org/thingsboard/server/install/ThingsboardInstallService.java b/application/src/main/java/org/thingsboard/server/install/ThingsboardInstallService.java
index ea13de3779..b8ab38b14e 100644
--- a/application/src/main/java/org/thingsboard/server/install/ThingsboardInstallService.java
+++ b/application/src/main/java/org/thingsboard/server/install/ThingsboardInstallService.java
@@ -249,15 +249,17 @@ public class ThingsboardInstallService {
                         case "3.4.4":
                             log.info("Upgrading ThingsBoard from version 3.4.4 to 3.5.0 ...");
                             databaseEntitiesUpgradeService.upgradeDatabase("3.4.4");
-                            entityDatabaseSchemaService.createOrUpdateViewsAndFunctions();
-                            entityDatabaseSchemaService.createOrUpdateDeviceInfoView(persistToTelemetry);
-                            log.info("Updating system data...");
-                            systemDataLoaderService.updateSystemWidgets();
                             if (!getEnv("SKIP_DEFAULT_NOTIFICATION_CONFIGS_CREATION", false)) {
                                 systemDataLoaderService.createDefaultNotificationConfigs();
                             } else {
                                 log.info("Skipping default notification configs creation");
                             }
+                        case "3.5.0":
+                            log.info("Upgrading ThingsBoard from version 3.5.0 to 3.5.1 ...");
+                            entityDatabaseSchemaService.createOrUpdateViewsAndFunctions();
+                            entityDatabaseSchemaService.createOrUpdateDeviceInfoView(persistToTelemetry);
+                            log.info("Updating system data...");
+                            systemDataLoaderService.updateSystemWidgets();
                             installScripts.loadSystemLwm2mResources();
                             break;
                         //TODO update CacheCleanupService on the next version upgrade
diff --git a/application/src/main/java/org/thingsboard/server/service/install/update/DefaultCacheCleanupService.java b/application/src/main/java/org/thingsboard/server/service/install/update/DefaultCacheCleanupService.java
index 1e54d8d48f..278fc0adf5 100644
--- a/application/src/main/java/org/thingsboard/server/service/install/update/DefaultCacheCleanupService.java
+++ b/application/src/main/java/org/thingsboard/server/service/install/update/DefaultCacheCleanupService.java
@@ -84,7 +84,8 @@ public class DefaultCacheCleanupService implements CacheCleanupService {
                 break;
             case "3.4.4":
                 log.info("Clearing cache to upgrade from version 3.4.4 to 3.5.0");
-                clearCacheByName("deviceProfiles");
+                clearAll();
+                break;
             default:
                 //Do nothing, since cache cleanup is optional.
         }
diff --git a/dao/src/main/java/org/thingsboard/server/dao/sql/alarm/JpaAlarmDao.java b/dao/src/main/java/org/thingsboard/server/dao/sql/alarm/JpaAlarmDao.java
index d9e79dd594..8dfdaf8a3e 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/sql/alarm/JpaAlarmDao.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/sql/alarm/JpaAlarmDao.java
@@ -348,7 +348,7 @@ public class JpaAlarmDao extends JpaAbstractDao<AlarmEntity, Alarm> implements A
 
     @Override
     public AlarmApiCallResult clearAlarm(TenantId tenantId, AlarmId id, long clearTs, JsonNode details) {
-        return toAlarmApiResult(alarmRepository.clearAlarm(tenantId.getId(), id.getId(), clearTs, getDetailsAsString(details)));
+        return toAlarmApiResult(alarmRepository.clearAlarm(tenantId.getId(), id.getId(), clearTs, details != null ? getDetailsAsString(details) : null));
     }
 
     @Override
diff --git a/dao/src/main/resources/sql/schema-views-and-functions.sql b/dao/src/main/resources/sql/schema-views-and-functions.sql
index 2de757be54..eaa09d78cc 100644
--- a/dao/src/main/resources/sql/schema-views-and-functions.sql
+++ b/dao/src/main/resources/sql/schema-views-and-functions.sql
@@ -226,7 +226,11 @@ BEGIN
     END IF;
     IF NOT(existing.cleared) THEN
         cleared = TRUE;
-        UPDATE alarm a SET cleared = true, clear_ts = a_ts, additional_info = a_details WHERE a.id = a_id AND a.tenant_id = t_id;
+        IF a_details IS NULL THEN
+            UPDATE alarm a SET cleared = true, clear_ts = a_ts WHERE a.id = a_id AND a.tenant_id = t_id;
+        ELSE
+            UPDATE alarm a SET cleared = true, clear_ts = a_ts, additional_info = a_details WHERE a.id = a_id AND a.tenant_id = t_id;
+        END IF;
     END IF;
     SELECT * INTO result FROM alarm_info a WHERE a.id = a_id AND a.tenant_id = t_id;
     RETURN json_build_object('success', true, 'cleared', cleared, 'alarm', row_to_json(result))::text;
diff --git a/dao/src/test/java/org/thingsboard/server/dao/sql/alarm/JpaAlarmDaoTest.java b/dao/src/test/java/org/thingsboard/server/dao/sql/alarm/JpaAlarmDaoTest.java
index ea35933d4d..25231f822f 100644
--- a/dao/src/test/java/org/thingsboard/server/dao/sql/alarm/JpaAlarmDaoTest.java
+++ b/dao/src/test/java/org/thingsboard/server/dao/sql/alarm/JpaAlarmDaoTest.java
@@ -202,7 +202,34 @@ public class JpaAlarmDaoTest extends AbstractJpaDaoTest {
     @Test
     public void testClearAlarmProcedure() {
         UUID tenantId = UUID.randomUUID();
-        ;
+        UUID originator1Id = UUID.fromString("d4b68f41-3e96-11e7-a884-898080180d6b");
+        UUID alarm1Id = UUID.fromString("d4b68f43-3e96-11e7-a884-898080180d6b");
+        Alarm alarm = saveAlarm(alarm1Id, tenantId, originator1Id, "TEST_ALARM");
+        long clearTs = System.currentTimeMillis();
+        var details = JacksonUtil.newObjectNode().put("test", 123);
+        AlarmApiCallResult result = alarmDao.clearAlarm(alarm.getTenantId(), alarm.getId(), clearTs, details);
+        AlarmInfo afterSave = alarmDao.findAlarmInfoById(alarm.getTenantId(), alarm.getUuidId());
+        assertNotNull(result);
+        assertTrue(result.isSuccessful());
+        assertTrue(result.isCleared());
+        assertNotNull(result.getAlarm());
+        assertEquals(afterSave, result.getAlarm());
+        assertEquals(clearTs, result.getAlarm().getClearTs());
+        assertTrue(result.getAlarm().isCleared());
+        assertEquals(details, result.getAlarm().getDetails());
+        result = alarmDao.clearAlarm(alarm.getTenantId(), alarm.getId(), clearTs + 1, JacksonUtil.newObjectNode());
+        assertNotNull(result);
+        assertNotNull(result.getAlarm());
+        assertEquals(afterSave, result.getAlarm());
+        assertTrue(result.isSuccessful());
+        assertFalse(result.isCleared());
+        assertEquals(clearTs, result.getAlarm().getClearTs());
+        assertTrue(result.getAlarm().isCleared());
+    }
+
+    @Test
+    public void testClearAlarmWithoutDetailsProcedure() {
+        UUID tenantId = UUID.randomUUID();
         UUID originator1Id = UUID.fromString("d4b68f41-3e96-11e7-a884-898080180d6b");
         UUID alarm1Id = UUID.fromString("d4b68f43-3e96-11e7-a884-898080180d6b");
         Alarm alarm = saveAlarm(alarm1Id, tenantId, originator1Id, "TEST_ALARM");
@@ -216,6 +243,7 @@ public class JpaAlarmDaoTest extends AbstractJpaDaoTest {
         assertEquals(afterSave, result.getAlarm());
         assertEquals(clearTs, result.getAlarm().getClearTs());
         assertTrue(result.getAlarm().isCleared());
+        assertEquals(alarm.getDetails(), result.getAlarm().getDetails());
         result = alarmDao.clearAlarm(alarm.getTenantId(), alarm.getId(), clearTs + 1, JacksonUtil.newObjectNode());
         assertNotNull(result);
         assertNotNull(result.getAlarm());