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  2. WEB400
  3. August 2004

Re: Locking problems using CGIDEV2

I suspect that this is not a CGIDEV2 problem.

More likely, a PTF is needed. PTF SI13570 for V5R3 5722DG1 addresses CGI job threads getting into a deadlock situation. See:

http://makeashorterlink.com/?D1CB21F29 for details.

If that isn't it, I suggest that you gather detailed information about the messages (message ID, sending and receiving programs, modules, functions, statement numbers, etc.) and report them to IBM support.

If a CGIDEV2 component is receiving the message, then it's possible there is a CGIDEV2 problem. If so, please make sure you have the latest CGIDEV2 version (currently 2003-09-01 14:50:19).

If you discover anything that indicates the problem is in the current CGIDEV2 version, I will be happy to fix it as quickly as possible.


Mel Rothman, CGIDEV2 Author
Mel Rothman, Inc.

Mike Skvarenina wrote: 
For several years now my shop has been very successfully using Mel's
CGIDEV2 library to create web enabled apps on our iSeries.  From time to
time however, at least several times a week, some sort of lock will
occur and it will bring down the entire HTTP subsystem.  When we work
with a job that's in a LCKW status, we don't see anything typical like a
file or record wait.  The ONLY clue we find in the jobs sitting in LCKW
status is a message in the joblog: "Invalid space location unlock
request.".



Since in a very short amount of time we could have 100 of these HTTP
jobs sitting in LCKW status, the fastest way for use to resolve it is to
end the subsystem, wait for all the jobs to end, then restart the
subsystem.





Has anyone else seen this problem and if so how'd you solve it?



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