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VSAM File status 41 I-O read error

 
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anandinmainframe

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Joined: 31 May 2007
Posts: 171
Location: India

PostPosted: Wed Oct 08, 2008 7:56 pm    Post subject: VSAM File status 41 I-O read error
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Hi,
Can anyone tell me the Syntax for I-O read.
i am getting the file status 41, while i am reading in I/O MODE.
how to append a O/P File(Not in JCL) Through file handling.
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Robert Sample

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Joined: 06 Jun 2008
Posts: 8339
Location: Dubuque, Iowa, USA

PostPosted: Wed Oct 08, 2008 8:01 pm    Post subject:
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Did you look up the file status 41? This can be found in the sticky at the start of the COBOL forum. Hint: the problem is not a read.

I-O read syntax is no different than INPUT read syntax; why would you think it would be different?

And what does this mean?
Quote:
how to append a O/P File(Not in JCL) Through file handling.
If you're talking about dynamically allocating a file to append, the manual is the Language Reference and the link is at the top of the page.
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CICS Guy

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Joined: 18 Jul 2007
Posts: 2150
Location: At my coffee table

PostPosted: Wed Oct 08, 2008 8:12 pm    Post subject:
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Logic error condition
41
An OPEN statement was attempted for a file in the open mode.
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Anuj Dhawan

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Joined: 22 Apr 2006
Posts: 6258
Location: Mumbai, India

PostPosted: Thu Oct 09, 2008 12:09 am    Post subject:
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Hi,

You might like to check these similar links as well..

http://www.ibmmainframes.com/viewtopic.php?t=34717&highlight=open
http://www.ibmmainframes.com/viewtopic.php?t=34651&highlight=

Status Code 41 usually comes in when there is a flaw in your logic - it's a logical error, as suggested, your program logic tries to OPEN the same file again. Try to put a DISPLAY before the statement where you issue an OPEN & check in the SYSOUT how many times your program tries to execute OPEN statement..if two continuous messages are displayed in SYSOUT (& no CLOSE is issued between them)- check your logical flow again.
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