From 19e32dd645a3e21858095755603439620c6cec78 Mon Sep 17 00:00:00 2001
From: Igor Kulikov <ikulikov@thingsboard.io>
Date: Tue, 13 Feb 2018 15:31:44 +0200
Subject: [PATCH] Fix cassandra database upgrade service.

---
 .../server/service/install/CassandraDatabaseUpgradeService.java | 2 ++
 1 file changed, 2 insertions(+)

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 7f009f4382..5b32374f60 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 ...");