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java.lang.NullPointerException at org.csstudio.alarm.beast.JMSCommunicationThread.disconnect(JMSCommunicationThread.java:285) at org.csstudio.alarm.beast.JMSCommunicationThread.thread_run(JMSCommunicationThread.java:212) at org.csstudio.alarm.beast.JMSCommunicationThread.access$0(JMSCommunicationThread.java:184) at org.csstudio.alarm.beast.JMSCommunicationThread$1.run(JMSCommunicationThread.java:67) at java.lang.Thread.run(Unknown Source)