Merge pull request Adobe-Consulting-Services#34 from yan-kisen/patch-1

Fix unclosed session

bundle/src/main/java/com/adobe/acs/samples/replication/impl/SampleReplicationPreprocessor.java

@@ -90,7 +90,7 @@ public void preprocess(final ReplicationAction replicationAction,
             // To prevent Replication from happening, throw a ReplicationException
             throw new ReplicationException(e);
         } finally {
-            if (resourceResolver == null) {
+                if (resourceResolver != null && resourceResolver.isLive()) {
                 // Always close resource resolver you open
                 resourceResolver.close();
             }