We're using WSN2005 API from the inside of a SU (bean:endpoint). An external
Java client is used to subscribe to WSN2005 component through http-binding
and to receive future notifications. After a notification is delivered to
the subscriber, the exeption provided below is printed on the ServiceMix
side.
WARN - DeliveryChannelImpl - Error calling listener: null
java.lang.NullPointerException
at
org.apache.servicemix.jbi.monitoring.StatisticsService.onExchangeAcce
pted(StatisticsService.java:307)
at
org.apache.servicemix.jbi.monitoring.StatisticsService$3.exchangeAcce
pted(StatisticsService.java:186)
at
org.apache.servicemix.jbi.messaging.DeliveryChannelImpl.processInBoun
d(DeliveryChannelImpl.java:598)
at
org.apache.servicemix.jbi.nmr.flow.AbstractFlow.doRouting(AbstractFlo
w.java:170)
at
org.apache.servicemix.jbi.nmr.flow.seda.SedaFlow.doRouting(SedaFlow.j
ava:167)
at
org.apache.servicemix.jbi.nmr.flow.seda.SedaQueue$1.run(SedaQueue.jav
a:134)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExec
utor.java:650)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor
.java:675)
at java.lang.Thread.run(Thread.java:595)
It does not disturb the delivery but it is always printed.
Any ideas what is wrong ?
Regards,
Bartek
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