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Start CICS transaction every day at 2AM


IBM Mainframe Forums -> CICS
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DEEPA MANI

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Joined: 21 Oct 2022
Posts: 2
Location: India

PostPosted: Fri Oct 21, 2022 3:05 pm
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Hi all,

I have a require to start the transaction every day at 2 AM.

I have coded below

Exec cics
Start tran (xxxx)
At hours (02)
Minutes(00)
Seconds(00)
End-exec

With above code the transaction runs exactly at 2. But it starts the transaction again and again from 2AM. The transaction is triggered continously from 2.

Do we have any solution for this
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Robert Sample

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Joined: 06 Jun 2008
Posts: 8700
Location: Dubuque, Iowa, USA

PostPosted: Fri Oct 21, 2022 6:45 pm
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If you read the other thread, you would find that there were a number of solutions posted that would work for this.
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Garry Carroll

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Joined: 08 May 2006
Posts: 1205
Location: Dublin, Ireland

PostPosted: Fri Oct 21, 2022 7:06 pm
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Assuming you're running your CICS region for a number of days between restarts, my suggestion would be to have a program in PLTPI that does an EXEC CICS START TRANSID('xxxx') AT HOURS(2) MINUTES(0) SECONDS(0) and that the 'xxxx' transaction first issues an EXEC CICS START TRANSID('xxxx') AFTER HOURS(24) before doing any processing. This approach ensures that the next execution is scheduled even if the current one abends. No matter when your region recycles, the task will be scheduled for the next 2am by PLTPI and the task, once launched, will schedule daily re-executions at 2am.

Garry.
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Rohit Umarjikar

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Joined: 21 Sep 2010
Posts: 3076
Location: NYC,USA

PostPosted: Sat Oct 22, 2022 10:21 pm
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Can you not try using batch JCL ? Or set up mq to trigger transaction at 2am by dropping a dummy message using batch ?
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PeterHolland

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Joined: 27 Oct 2009
Posts: 2481
Location: Netherlands, Amstelveen

PostPosted: Sun Oct 23, 2022 5:03 pm
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maybe Netview can be of use or system automation
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