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| TextMessage is NULL |
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| andrewhirst |
 Posted: Tue Oct 26, 2004 9:17 am Post subject: TextMessage is NULL |
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Apprentice
Joined: 06 Jul 2004
Posts: 33
Location: UK
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Hello,
A partner's VB app (on NT) is replying to my JMS app (on W2K) via WMQI broker (on Solaris). Using MQExplorer, the message seems to have the XML payload, but when I try and getText() on the message it's null.
The VB app is creating the RFH header.
What is the best practice:
The VB app should format the reply message to suit the JMS app?
Let the broker produce a message to suit JMS?
Don't bother with any formatting and read the message as ByteMessage?
Given the circumstances, what sort of situation would prevent the JMS app from accessing the message body?
My thoughts are some sort of codepage/encoding incompatibility.....
Here is the MQMD of the incoming message:
| Code: |
****Message descriptor****
StrucId : 'MD ' Version : 2
Report : 0 MsgType : 8
Expiry : -1 Feedback : 0
Encoding : 546 CodedCharSetId : 850
Format : 'MQHRF2 '
Priority : 0 Persistence : 0
MsgId : X'414D51204E564953525030312020202078DD774120006701'
CorrelId : X'414D512047423330363532443120202012EC7D4120001401'
BackoutCount : 0
ReplyToQ : ' '
ReplyToQMgr : 'NVISRP01 '
** Identity Context
UserIdentifier : 'mqm '
AccountingToken :
X'0000000000000000000000000000000000000000000000000000000000000000'
ApplIdentityData : ' '
** Origin Context
PutApplType : '11'
PutApplName : ':\DEVELOPMENT\APPS\mqapp.exe'
PutDate : '20041026' PutTime : '14213011'
ApplOriginData : ' '
GroupId : X'000000000000000000000000000000000000000000000000'
MsgSeqNumber : '1'
Offset : '0'
MsgFlags : '0'
OriginalLength : '-1'
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Here is the MQMD for the outgoing request:
| Code: |
****Message descriptor****
StrucId : 'MD ' Version : 2
Report : 0 MsgType : 1
Expiry : -1 Feedback : 0
Encoding : 273 CodedCharSetId : 819
Format : 'MQHRF2 '
Priority : 4 Persistence : 1
MsgId : X'414D512047423330363532443120202012EC7D4120001501'
CorrelId : X'000000000000000000000000000000000000000000000000'
BackoutCount : 0
ReplyToQ : 'Q.ISR.VEH.DET.RPLY '
ReplyToQMgr : 'GB30652D1 '
** Identity Context
UserIdentifier : 'andrew.hirst'
AccountingToken :
X'16010515000000D931F8424D64492E828BA628620B000000000000000000000B'
ApplIdentityData : ' '
** Origin Context
PutApplType : '11'
PutApplName : 'es_v4\java\jre\bin\javaw.exe'
PutDate : '20041026' PutTime : '16420194'
ApplOriginData : ' '
GroupId : X'000000000000000000000000000000000000000000000000'
MsgSeqNumber : '1'
Offset : '0'
MsgFlags : '0'
OriginalLength : '-1'
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Many thanks in advance.
_________________
Andrew Hirst |
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| EddieA |
| Posted: Tue Oct 26, 2004 9:33 am Post subject: |
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Jedi
Joined: 28 Jun 2001
Posts: 2453
Location: Los Angeles
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We need to see the RFH2 headers as well.
Cheers,
_________________
Eddie Atherton
IBM Certified Solution Developer - WebSphere Message Broker V6.1
IBM Certified Solution Developer - WebSphere Message Broker V7.0 |
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| RogerLacroix |
| Posted: Tue Oct 26, 2004 2:57 pm Post subject: |
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Jedi Knight
Joined: 15 May 2001
Posts: 3264
Location: London, ON Canada
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Hi,
Why have the VB programmer code RFH2 stuff? Have the VB program write JUST the XML payload and set the MQMD.Format to MQSTR.
In the web application's JNDI tree, set the MQQueue's attribute of 'TargClient' to MQ (rather than JMS).
Now the JMS app will get a JMS message (i.e. getText()) with the correct XML payload.
The WMQ JMS libraries will do the converting for you. 
Although, your option #2, 'let the broker do it' is just as good.
Regards,
Roger Lacroix
_________________
Capitalware: Transforming tomorrow into today.
Connected to MQ!
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| andrewhirst |
| Posted: Thu Oct 28, 2004 12:26 am Post subject: Fixed: |
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Apprentice
Joined: 06 Jul 2004
Posts: 33
Location: UK
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Thanks for your help.
It works, although eventually I had to use BytesMessage because the partner application did not include the format and the developer went on holiday....
_________________
Andrew Hirst |
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