What version of STAX are you running on this machine (STAF local STAX
VERSION) and what version of STAF are you running on this machine (STAF
local MISC VERSION)?
If you are not running STAX V3.3.8 or later, you could be running into
Bug #2832883 that was a race problem where a STAX job could hang if a
finally element's task completes very quickly (see
https://sourceforge.net/tracker/?func=detail&aid=2832883&group_id=33142&atid=407381
for more info on this bug).
Were there any errors in the STAX JVM Log?
To debug, determine what the last element is on the call stack for the
"hung" STAX job by using the STAX LIST JOB <JobID> THREADS and STAX QUERY
JOB <JobID> THREAD <ThreadID> commands. For more information, see section
"Debugging" in the STAX User's Guide at
http://staf.sourceforge.net/current/STAX/staxug.html#Header_Debugging.
--------------------------------------------------------------
Sharon Lucas
IBM Austin, luc...@us.ibm.com
(512) 286-7313 or Tieline 363-7313
From: Paul Ellsworth/San Jose/IBM@IBMUS
To: staf-users@lists.sourceforge.net,
Date: 08/19/2011 02:36 PM
Subject: [staf-users] Job hangs, cannot terminate
Hello,
Occasionally, our STAX server gets into a position where even if I tell it
to terminate a job, the job ends up still running:
40
Info
20110819-12:01:11
Terminating block: main
39
Info
20110819-12:01:11
Received TERMINATE BLOCK main request
Oddly enough, I can print something (running a python command via a
thread). There is no process or stafcmd going on, and I'm unable to
terminate any of the blocks.
The only way I've found to get rid of the job is to restart STAF on the
server. This is somewhat inconvenient at times.
Usually, when it gets into this state, new jobs also will get hung.
I've checked for JVM memory errors in the STAF JVM logs but I've never
seen them, even though the machine gets quite low on free physical memory
at times (under 100mb, the machine has 4gb).
Any ideas or ways to debug jobs that are in this state?
Thanks!
Paul
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