NPE in ServerLocatorImpl - NettyFileStorageSymmetricClusterTest

An issue has been identified where an NullPointerException can occur in ServerLocatorImpl if the platform is shut down while activity is still occurring. Messages similar to the following are reported in the log. The workaround to this issue is to confirm that there is no activity before shutting down the server.           <screen> [junit] * [Thread-6 (HornetQ-server-HornetQServerImpl::serverUUID=147484f9-3aa9-11e1-aff0-1fd4a2111687-22518320)] 9-Jan 5:2:46,510 WARNING [ServerLocatorImpl] NULL [junit] java.lang.NullPointerException [junit] at org.hornetq.core.client.impl.ServerLocatorImpl$StaticConnector.connect(ServerLocatorImpl.java:1633) [junit] at org.hornetq.core.client.impl.ServerLocatorImpl.connect(ServerLocatorImpl.java:592) [junit] at org.hornetq.core.client.impl.ServerLocatorImpl$3.run(ServerLocatorImpl.java:559) [junit] at org.hornetq.utils.OrderedExecutorFactory$OrderedExecutor$1.run(OrderedExecutorFactory.java:100) [junit] at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) [junit] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)           </screen>