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MQSeries.net Forum IndexWebSphere Message Broker Supportgroup messages in message flow

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paustin_ours
PostPosted: Sat Jun 20, 2020 2:43 am Post subject: group messages in message flow Reply with quote

Yatiri

Joined: 19 May 2004
Posts: 641
Location: columbus,oh

I did look at some old posts here about this.

I want to process group messages and write the entire group to a file.

i have all messages available selected, commit by group selected and logical order.

MQinput, compute, fileoutput

i figured i would need propagate so i had this

Code:

   -- CALL CopyMessageHeaders();
      CALL CopyEntireMessage();
      
      SET OutputLocalEnvironment.Destination.File.Directory = '/tmp/testdir';
      SET OutputLocalEnvironment.Destination.File.Name = 'file1';
      
      IF InputRoot.MQMD.MsgFlags = '24' THEN
        PROPAGATE TO TERMINAL 'out1';
      END IF;
      PROPAGATE;
      RETURN FALSE;


this processes the first message and thats it, it doesnt even error out.

do i need to loop through using mqget node to get rest of the group messages ? Not seeing much info about this on IBM documentation.

please shed some light. thanks.
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fjb_saper
PostPosted: Sat Jun 20, 2020 3:05 am Post subject: Reply with quote

Grand High Poobah

Joined: 18 Nov 2003
Posts: 20305
Location: LI,NY

Have you looked at the different flags for the MQ Input node?

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paustin_ours
PostPosted: Sat Jun 20, 2020 3:21 am Post subject: Reply with quote

Yatiri

Joined: 19 May 2004
Posts: 641
Location: columbus,oh

yes

i have the following set

Tansaction mode - yes [ default ]
logical order - checked
All messages available - checked

Commit by message group - checked.

I removed the file output and replaced with mq output node first to test if all messages in the group. I see first one come in and second one is empty.
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paustin_ours
PostPosted: Sat Jun 20, 2020 3:50 am Post subject: Reply with quote

Yatiri

Joined: 19 May 2004
Posts: 641
Location: columbus,oh

hmm.. it seems to work when i set the transaction to automatic but not sure i understand why that would make this difference.
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akkypaul
PostPosted: Tue Jun 23, 2020 12:43 am Post subject: Reply with quote

Apprentice

Joined: 30 Jun 2014
Posts: 44
Location: India

Have you tried the Group Nodes?
They work independent of MQ.
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