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| WAS message processing - messages lost |
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| 9A5YY |
 Posted: Thu Dec 22, 2016 1:12 am Post subject: WAS message processing - messages lost |
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Voyager
Joined: 27 Sep 2005
Posts: 99
Location: Croatia
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Bellow is WAS application log where you can see what happens when message arrives to the queue and after that message is lost.
This happens some days for some messages not every day . Messages arrive from z/OS queue managers V7.1.0
(CSQ3111I +P1Q1 CSQYSCMD - EARLY PROCESSING PROGRAM IS V7.1.0 006-023 )
to the local queue which is located at Linux qmgr V7.1.0.7. Messages at qmgr are processed by Linux WAS 8559.
| Code: |
[21.12.16. 14:30:42:985 CET] 00000157 SibMessage W [:] CWSJY0003W: JMSCC0110: An exception '
Message : java.lang.NullPointerException
Class : class java.lang.NullPointerException
Stack : com.ibm.msg.client.wmq.common.internal.WMQUtils.getCharacterSetString(WMQUtils.java:517)
: com.ibm.msg.client.wmq.common.internal.messages.WMQReceiveMarshal.addBodyToProviderMessage(WMQReceiveMarshal.java:523)
: com.ibm.msg.client.wmq.common.internal.messages.WMQReceiveMarshal.createProviderMessage(WMQReceiveMarshal.java:475)
: com.ibm.msg.client.wmq.common.internal.messages.WMQReceiveMarshal.exportProviderMessage(WMQReceiveMarshal.java:628)
: com.ibm.msg.client.wmq.internal.WMQConsumerShadow.getMsg(WMQConsumerShadow.java:1514)
: com.ibm.msg.client.wmq.internal.WMQConsumerShadow.getMsg(WMQConsumerShadow.java:1381)
: com.ibm.msg.client.wmq.internal.WMQSyncConsumerShadow.receive(WMQSyncConsumerShadow.java:367)
: com.ibm.msg.client.wmq.internal.WMQSession.loadMessageReference(WMQSession.java:1309)
: com.ibm.msg.client.jms.internal.JmsSessionImpl.consume(JmsSessionImpl.java:3268)
: com.ibm.msg.client.jms.internal.JmsSessionImpl.run(JmsSessionImpl.java:2903)
: com.ibm.mq.jms.MQSession.run(MQSession.java:958)
: com.ibm.mq.connector.inbound.ASFWorkImpl.doDelivery(ASFWorkImpl.java:97)
: com.ibm.mq.connector.inbound.AbstractWorkImpl.run(AbstractWorkImpl.java:235)
: com.ibm.ejs.j2c.work.WorkProxy$RunWork.run(WorkProxy.java:281)
: java.security.AccessController.doPrivileged(AccessController.java:422)
: javax.security.auth.Subject.doAs(Subject.java:494)
: com.ibm.websphere.security.auth.WSSubject.doAs(WSSubject.java:133)
: com.ibm.ejs.j2c.work.WorkProxy$RunWork.run(WorkProxy.java:284)
: com.ibm.ws.security.util.AccessController.doPrivileged(AccessController.java:63)
: com.ibm.ejs.j2c.work.WorkProxy.run(WorkProxy.java:666)
: com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1881)
' was caught while processing a message for delivery to a message driven bean.
[21.12.16. 14:30:42:986 CET] 00000157 SibMessage W [:] CWSJY0003W: MQJCA4004: Message delivery to an MDB 'Name-gui-mdb#Name-gui-mdb-ejb.jar#queue_name($Proxy@1e4b6644)' failed with exception: 'null'.
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We have following WAS, JAVA and MQ version at Linux servers.
Fix Pack 7.1.0.7 for WebSphere MQ on Linux X86-64
IBM Webspehere Application Server V8.5.5.9, x86-64 Architecture
IBM Webspehere SDK Java V7.1.3.30, x86-64 Architecture
The same problem happened with lower Fix Packs of JAVA, MQ and WAS.
Does anyone know what to do here to solve this problem? |
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| fjb_saper |
| Posted: Thu Dec 22, 2016 2:54 am Post subject: |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
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You did not specify what the transactional settings where for the MDB in WAS.
You should have the MDB declare requires new for the method.
If your messages are persistent there should be no problem and open a PMR.
If your messages are non persistent, it really depends on qualitiy of service settings. Have some fun 
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| 9A5YY |
| Posted: Thu Dec 22, 2016 3:22 am Post subject: |
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Voyager
Joined: 27 Sep 2005
Posts: 99
Location: Croatia
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| Yes, persistent messages are processed by WAS. I intend to open PMR soon. |
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| fjb_saper |
| Posted: Thu Dec 22, 2016 5:11 am Post subject: |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
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| 9A5YY wrote: |
| Yes, persistent messages are processed by WAS. I intend to open PMR soon. |
Remember if your MDB's transaction settings are set to NOT REQUIRED, you shot yourself in the foot and the system is working as designed....
In other words you need to catch any exception and throw the corresponding MDBException in the catch block so that the transaction gets rolled back...
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Last edited by fjb_saper on Wed Aug 09, 2017 8:47 pm; edited 1 time in total |
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| quijote |
| Posted: Wed Aug 09, 2017 8:34 am Post subject: |
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Newbie
Joined: 09 Aug 2017
Posts: 1
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I would be very interested to find out if you found a solution or a workaround to this NullPointerException thrown in WMQUtils.getCharacterSetString.
Have you tried a newer version of WebSphere or a newer JVM? |
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