java.lang.NullPointerException: This exception has no message.

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java.lang.NullPointerException:
at org.icepush.LocalPushGroupManager$OutOfBandNotification.run(LocalPushGroupManager.java:415)
at org.icepush.LocalPushGroupManager$QueueConsumerTask.run(LocalPushGroupManager.java:429)
at java.util.TimerThread.mainLoop(Timer.java:512)
at java.util.TimerThread.run(Timer.java:462)

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