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Why CICS hangs when socket program is executing???


 
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dejunzhu

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Joined: 08 May 2008
Posts: 390
Location: China

PostPosted: Fri May 31, 2013 1:46 pm
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I have a program sending message to my PC(via socket API 'EZASOKET' SOCKET--CONNECT--WRITE--CLOSE) , and this program is trigged by TDQ.

when I write a record into TDQ, the program starts to run, but CICS hangs, which means CICS screen become frozen and no one can operate on it...

From the log, I can see SOS fatal error. But don't understand why socket API can result in such impact to the whole CICS region...

can you help to explain ?
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enrico-sorichetti

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Joined: 14 Mar 2007
Posts: 10695
Location: italy

PostPosted: Fri May 31, 2013 1:57 pm
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reread the question You asked and tell if it gives any useful info ?

Quote:
Why CICS hangs when socket program is executing???


because Your program did something wrong, what else ?
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Robert Sample

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Joined: 06 Jun 2008
Posts: 8566
Location: Dubuque, Iowa, USA

PostPosted: Fri May 31, 2013 4:25 pm
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Quote:
But don't understand why socket API can result in such impact to the whole CICS region..
Probably because, whether or not you yet know this, ANY transaction in a CICS region can cause the entire region to come down. This is just the way things work.
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Peter cobolskolan

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Joined: 06 Feb 2012
Posts: 104
Location: Sweden

PostPosted: Fri May 31, 2013 4:48 pm
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Why not follow your transaction with CEDX to get closer to the problem...
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