diff --git a/application/src/main/java/org/thingsboard/server/service/install/CassandraDatabaseUpgradeService.java b/application/src/main/java/org/thingsboard/server/service/install/CassandraDatabaseUpgradeService.java
index 7f009f4..5b32374 100644
--- a/application/src/main/java/org/thingsboard/server/service/install/CassandraDatabaseUpgradeService.java
+++ b/application/src/main/java/org/thingsboard/server/service/install/CassandraDatabaseUpgradeService.java
@@ -66,6 +66,8 @@ public class CassandraDatabaseUpgradeService implements DatabaseUpgradeService {
//Dump devices, assets and relations
+ cluster.getSession();
+
KeyspaceMetadata ks = cluster.getCluster().getMetadata().getKeyspace(cluster.getKeyspaceName());
log.info("Dumping devices ...");