From ccfe0e4610da881d467c48605329b0c7c28dd844 Mon Sep 17 00:00:00 2001
From: Jonas Kalderstam <jonas@kalderstam.se>
Date: Tue, 8 Nov 2016 14:08:25 +0100
Subject: [PATCH] RootCause handles null case

---
 .../backup/src/main/java/org/neo4j/backup/BackupService.java  | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/enterprise/backup/src/main/java/org/neo4j/backup/BackupService.java b/enterprise/backup/src/main/java/org/neo4j/backup/BackupService.java
index 5f195330d65ea..4a52cef2a66cf 100644
--- a/enterprise/backup/src/main/java/org/neo4j/backup/BackupService.java
+++ b/enterprise/backup/src/main/java/org/neo4j/backup/BackupService.java
@@ -262,9 +262,7 @@ BackupOutcome doIncrementalBackupOrFallbackToFull( String sourceHostNameOrIp, in
         }
         catch ( RuntimeException e )
         {
-            Throwable cause = e.getCause() == null ? e : rootCause( e );
-
-            if ( cause instanceof UpgradeNotAllowedByConfigurationException )
+            if ( rootCause( e ) instanceof UpgradeNotAllowedByConfigurationException )
             {
                 throw new UnexpectedStoreVersionException( "Failed to perform backup because existing backup is from " +
                         "a different version.", e );