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U0775 Abend in IMS program

 
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Verma,Raman

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Joined: 13 Oct 2006
Posts: 15

PostPosted: Wed May 16, 2007 3:24 pm    Post subject: U0775 Abend in IMS program
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Hi ,

I have coded an IMS program which inserts a segment in the full Db. When run for low volume tests, the IMS calls worked fine but when I tried it for the full volume run, it abended with U0775 code.

The program employs checkpoint logic as well.

Can you please let me know what the solution can be.

Also, I had been considering the IMS DEQ call as a way out but am not very sure. Can someone please suggest a solution.

Raman icon_confused.gif
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Bitneuker

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Joined: 07 Nov 2005
Posts: 1105
Location: The Netherlands at Hole 19

PostPosted: Wed May 16, 2007 3:40 pm    Post subject:
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Have a look here and then makes some calls to your system programmer icon_wink.gif
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priyamnavada

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Joined: 24 Dec 2005
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Location: hyderabad

PostPosted: Wed May 16, 2007 8:24 pm    Post subject:
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0775

Explanation: This abend is issued when IMS cannot acquire any more
ENQ/DEQ blocks or the amount of storage that was specified by the PIMAX
parameter has been exhausted. It can be either a standard abend or a
pseudoabend.

Case1 A standard abend is issued.

Case2 A pseudoabend is issued.

See message DFS2450I in this manual for additional information. If message
DFS2405I was not issued, the amount of storage specified in the PIMAX
parameter may have been exhausted. Increase the size of the PIMAX
parameter in member DFSPBIMS in a DB/DC environment, or in member DFSPBDBC
in a DBCTL environment. For batch data sharing, refer to CICS/ESA?
Messages and Codes.
System Action: For Case1, the IMS control region terminates abnormally.
For Case2, the application program terminates abnormally.

Programmer Response: For Case1, contact the IBM Support Center for
assistance. For Case2, correct the cause by increasing the maximum storage
available for the ENQ or by decreasing the requirements for ENQs.

Master Terminal Operator Response: For Case1, none. For Case2, decrease
the system load by stopping the regions; then start the indicated SMBs and
PSBs. If a BMP is not taking checkpoints and has used all available ENQ
space, cancel the BMP.

Problem Determination: For Case1, 1, 2, 4, 6, 13.
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Bitneuker

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PostPosted: Thu May 17, 2007 6:13 pm    Post subject:
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Bitneuker wrote:
Have a look here and then makes some calls to your system programmer icon_wink.gif


Sorry; wrong link. This is the right one icon_redface.gif
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Bitneuker

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Posts: 1105
Location: The Netherlands at Hole 19

PostPosted: Thu May 17, 2007 10:40 pm    Post subject:
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In addition: if your DEQ fails you might increase the number of CHCK-point calls so the buffers won't overflow.
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