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Question

 Andrey Chekanov (AndreyChekanov)
Lanit
Andrey Chekanov
Lanit
RU
AndreyChekanov Member since 2016 2 posts
Lanit
Posted: Mar 1, 2019
Last activity: Mar 1, 2019
Posted: 1 Mar 2019 11:47 EST
Last activity: 1 Mar 2019 15:09 EST
Closed

JMS MDB service listener freezes

Hi,
I've created JMS MDB Listener in enterprise application and when IBM MQ sends message - listner port freezes until WAS restart.
How to avoid listner freeze?


Log exception:
Caught exception in JMS service listener SOURCECORERequestListener
com.pega.pegarules.pub.PRException: Expecting a TextMessage, received a message of type: com.ibm.jms.JMSBytesMessage
at com.pega.pegarules.integration.engine.internal.services.jms.JMSListener.readRequestData(JMSListener.java:1843) ~[printegrint.jar:?]
at com.pega.pegarules.integration.engine.internal.services.jms.JMSListener.handleRequest(JMSListener.java:1276) ~[printegrint.jar:?]
at com.pega.pegarules.integration.engine.internal.services.jms.JMSListener.runOnce(JMSListener.java:710) ~[printegrint.jar:?]

PRPC-7.4.0
IBM WebSphere Application Server/ Proprietary information hidden

Article https://community.pega.com/support/support-articles/expect-textmessage-receive-type-jmsmapmessage doesnt help

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Pega Platform
Data Integration

Posted: 5 years ago
Posted: 1 Mar 2019 15:09 EST
Andrey Chekanov (AndreyChekanov)
Lanit
Andrey Chekanov
Lanit
RU

Thanks for answer, but

1. I don't  control IBM MQ

2. if IBM MQ admin change message type - I can't be sure this never happen

3. it's a very bad vulnerability and can block all our work

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