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MQSeries.net Forum Index » IBM MQ Java / JMS » NullTraceAdapter ClassCastException with WASTraceAdapter

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steffi2
PostPosted: Sat Nov 14, 2009 6:16 am    Post subject: NullTraceAdapter ClassCastException with WASTraceAdapter Reply with quote

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Joined: 04 Sep 2009
Posts: 31
So, we tried to enable trace logging with the JMS jar. The native java mq logging seems to work but when we tried it with the JMS layer we ended up getting a ClassCastException and it seems that NullTraceAdapter is not a WASTraceAdapter so why would it be written this way in the first place?
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fjb_saper
PostPosted: Sat Nov 14, 2009 5:47 pm    Post subject: Reply with quote

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Joined: 18 Nov 2003
Posts: 20696
Location: LI,NY
You should try to find out why you got a ClassCastException and check your Message either against the class you expect or keep it's handling to the more generic javax.jms.Message Iface.

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steffi2
PostPosted: Wed Nov 18, 2009 4:43 am    Post subject: Reply with quote

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Joined: 04 Sep 2009
Posts: 31
On this occasion the classcastexception is coming from within mqs jms jar
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fjb_saper
PostPosted: Wed Nov 18, 2009 7:08 pm    Post subject: Reply with quote

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Joined: 18 Nov 2003
Posts: 20696
Location: LI,NY
steffi2 wrote:
On this occasion the classcastexception is coming from within mqs jms jar


Sure but why? Are you trying to access a BytesMessage as TextMessage?? (Even if it just to log some content)...
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