getting error in Analytic Engine log file

Hi All,
Am using wM8.0.1 while working with BPM am getting below error in Analytic engine log file,

((OPTIMIZE) [Analytic Engine v8.0.0.0.JMSCommunication$DestinationReceiver.runDestinationReceiverError] 2010-06-24 14:34:55.49 CEST ERROR: javax.jms.JMSException: Session was closed during consumer receive
at com.webmethods.optimize.service.external.comm.JMSCommunication$DestinationReceiver.run(JMSCommunication.java:784)
at java.lang.Thread.run(Thread.java:619)
Regards,
Anil kumar ellendula