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| CorrelId change after Getting Messages |
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Message
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| bvasanth |
 Posted: Tue Aug 24, 2004 7:38 am Post subject: CorrelId change after Getting Messages |
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Apprentice
Joined: 03 May 2004
Posts: 27
Location: Chennai, India
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I am trying to put a message into reply queue with Correl id set from msg id of prev reply message.
| Code: |
requestMessage.correlationId = <msg id of prev reply message>;
print("Prev Req CorrelId :" + requestMessage.correlationId );
pmo.options = MQC.MQPMO_SET_IDENTITY_CONTEXT;
requestQueue.put(requestMessage, pmo);
print("After Req CorrelId :" + requestMessage.correlationId ); |
But the correlId change before and after putting message into queue. Please let me know the reason.
output
| Code: |
Prev Req CorrelId :[B@2d2f21c3
After Req CorrelId :[B@41e0a1c3 |
Similarly I am trying to get a message using Correl id from reply queue
| Code: |
replyMessage.correlationId = requestMessage.messageId;
gmo.options = MQC.MQGMO_WAIT;
gmo.waitInterval = 15000;
print("Prev GetReplycorrelId;"+ replyMessage.correlationId);
replyQueue.get(replyMessage,gmo);
print("After GetReplycorrelId;"+ replyMessage.correlationId); |
The successfully get reply message. But the correlId change after receiving the reply message. Is that correct?, and why?
Here is output
| Code: |
Prev GetReplycorrelId;[B@8ec1f38
After GetReplycorrelId;[B@38ca9f38 |
Thanks,
Vasanth |
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| bob_buxton |
| Posted: Wed Aug 25, 2004 6:37 am Post subject: |
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Master
Joined: 23 Aug 2001
Posts: 266
Location: England
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I am not a Java programmer but I don't think you can just assign a msgid to a correlid. In C you would use memcpy, I believe the Java is System.arraycopy
_________________
Bob Buxton
Ex-Websphere MQ Development |
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| gunter |
| Posted: Wed Aug 25, 2004 7:37 am Post subject: |
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Partisan
Joined: 21 Jan 2004
Posts: 307
Location: Germany, Frankfurt
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| Code: |
| print("Prev Req CorrelId :" + requestMessage.correlationId ); |
The correlationid is a byte[] and toString() will show you the hex representation of this object and not the content.
_________________
Gunter Jeschawitz
IBM Certified System Administrator - Websphere MQ, 5.3 |
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