Hi, all I meet a question when using xmlBlaster, help me pls.
the message PublishQos is: <qos> <expiration remainingLife='10000'/> </qos> publish such 10 messages After a while, the console Loged: [2002-6-14 16:19:09 WARN MessageUnitWrapper] Message 1 is expired, timeout event occurred - tests are missing! [2002-6-14 16:19:09 WARN MessageUnitWrapper] Message 2 is expired, timeout event occurred - tests are missing! [2002-6-14 16:19:09 WARN MessageUnitWrapper] Message 3 is expired, timeout event occurred - tests are missing! [2002-6-14 16:19:09 WARN MessageUnitWrapper] Message 4 is expired, timeout event occurred - tests are missing! [2002-6-14 16:19:09 WARN MessageUnitWrapper] Message 5 is expired, timeout event occurred - tests are missing! [2002-6-14 16:19:09 WARN MessageUnitWrapper] Message 6 is expired, timeout event occurred - tests are missing! [2002-6-14 16:19:09 WARN MessageUnitWrapper] Message 7 is expired, timeout event occurred - tests are missing! [2002-6-14 16:19:09 WARN MessageUnitWrapper] Message 8 is expired, timeout event occurred - tests are missing! [2002-6-14 16:19:10 WARN MessageUnitWrapper] Message 9 is expired, timeout event occurred - tests are missing! [2002-6-14 16:19:10 WARN MessageUnitWrapper] Message 10 is expired, timeout event occurred - tests are missing! then, start the receiver ( login as zhangsan), but it doesn't work, the console loged: [2002-6-14 16:20:07 INFO Authenticate-http://192.168.2.118:3412] Successful login for client zhangsan, session:4 expires after [ 24 h 0 millis ], 1 of 10 sessions are in use. [2002-6-14 16:20:07 INFO XmlKeyDom] Client zhangsan is accessing message oid="1" after successful query [2002-6-14 16:20:07 INFO XmlKeyDom] Client zhangsan is accessing message oid="2" after successful query [2002-6-14 16:20:07 INFO XmlKeyDom] Client zhangsan is accessing message oid="3" after successful query [2002-6-14 16:20:07 INFO XmlKeyDom] Client zhangsan is accessing message oid="4" after successful query [2002-6-14 16:20:07 INFO XmlKeyDom] Client zhangsan is accessing message oid="5" after successful query [2002-6-14 16:20:07 INFO XmlKeyDom] Client zhangsan is accessing message oid="6" after successful query [2002-6-14 16:20:07 INFO XmlKeyDom] Client zhangsan is accessing message oid="7" after successful query [2002-6-14 16:20:07 INFO XmlKeyDom] Client zhangsan is accessing message oid="8" after successful query [2002-6-14 16:20:07 INFO XmlKeyDom] Client zhangsan is accessing message oid="9" after successful query [2002-6-14 16:20:07 INFO XmlKeyDom] Client zhangsan is accessing message oid="10" after successful query [2002-6-14 16:20:07 INFO XmlKeyDom] 10 MessageUnits matched to subscription "//topic[@id='aaaa']" [2002-6-14 16:20:07 ERROR CbWorker:session:4] Callback failed: java.lang.NullPointerException java.lang.NullPointerException at org.xmlBlaster.engine.queue.MsgQueue.takeMsgs(MsgQueue.java:321) at org.xmlBlaster.engine.callback.CbWorker.run(CbWorker.java:45) at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExecutor.java:725) at java.lang.Thread.run(Unknown Source) [2002-6-14 16:20:07 WARN MsgQueue:session:4] Lost callback connection for session:4 errorCounter=1 [2002-6-14 16:20:07 WARN MsgQueue:session:4] Can't send message back to clientzhangsan, producing now dead letters. [2002-6-14 16:20:07 ERROR CbWorker:session:4] java.lang.NullPointerException java.lang.NullPointerExceptionat org.xmlBlaster.engine.queue.MsgQueue.takeMsgs(MsgQueue.java:321) at org.xmlBlaster.engine.queue.MsgQueue.handleFailure(MsgQueue.java:157) at org.xmlBlaster.engine.queue.MsgQueue.activateCallbackWorker(MsgQueue.java:452) at org.xmlBlaster.engine.callback.CbWorker.run(CbWorker.java:89) at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExecutor.java:725) at java.lang.Thread.run(Unknown Source) and after that, the publisher can't send any message to the receiver. what's the problem? liuwen.
