OF-794: Cleanup sessions when node leaves cluster

Update session cleanup logic; execute anytime a node leaves the cluster,
regardless of "senior" status.

src/plugins/hazelcast/changelog.html

@@ -44,6 +44,12 @@
 Hazelcast Clustering Plugin Changelog
 </h1>
 
+<p><b>1.2.2</b> -- May 6, 2014</p>
+<p>Bug Fix:</p>
+<ul>
+     <li>Fix node cleanup logic when a node leaves the cluster (<a href="http://issues.igniterealtime.org/browse/OF-794">OF-794</a>)</li>
+</ul>
+
 <p><b>1.2.1</b> -- April 10, 2014</p>
 <p>Hazelcast update:</p>
 <ul>

src/plugins/hazelcast/plugin.xml

@@ -5,7 +5,7 @@
     <name>${plugin.name}</name>
     <description>${plugin.description}</description>
     <author>Tom Evans</author>
-    <version>1.2.1</version>
-    <date>04/10/2014</date>
+    <version>1.2.2</version>
+    <date>05/06/2014</date>
     <minServerVersion>3.9.0</minServerVersion>
 </plugin>

src/plugins/hazelcast/src/java/com/jivesoftware/util/cache/ClusterListener.java

@@ -640,10 +640,8 @@ public class ClusterListener implements MembershipListener, LifecycleListener {
                 seniorClusterMember = true;
                 ClusterManager.fireMarkedAsSeniorClusterMember();
             }
-
-            if (CacheFactory.isSeniorClusterMember()) {
-                cleanupNode(NodeID.getInstance(nodeID));
-            }
+            cleanupNode(NodeID.getInstance(nodeID));
+            
             // Remove traces of directed presences sent from local entities to handlers that no longer exist.
             // At this point c2s sessions are gone from the routing table so we can identify expired sessions
             XMPPServer.getInstance().getPresenceUpdateHandler().removedExpiredPresences();