I assume that when you get an RC 16 trying to start a process on a machine
that a "STAF <machine> PING PING" request fails as well with RC 16 So,
you could use a <stafcmd> to submit a "STAF <machine> PING PING" request
before the <process> element and check if the RC is 16 (or just check if
RC != 0) and don't run the <process> if this occurs. Instead just log an
error message or whatever else you want to do. For example:
<stafcmd>
<location>cmdMachine</location>
<service>'PING'</service>
<request>'PING'</service>
</stafcmd>
<if expr="RC == 0">
<sequence>
<process>
<location>cmdMachine</location>
<command mode='"shell"'>command['cmdToExecute']</command>
<parms>commandParameters</parms>
<stderr mode="'stdout'"/>
<returnstdout/>
</process>
</sequence>
<else>
<log message="1">
'STAF PING to %s failed with RC=%s, Result=%s, so did not run
process' % \
(cmdMachine, RC, STAFResult)
</log>
</else>
</if>
Also, see the STAF FAQ, sections "3.1.3 Explain RC 16 when attempting to
send a STAF request to a remote machine" and "3.1.4 Why can't my STAF
machines communicate?", at
http://staf.sourceforge.net/current/STAFFAQ.htm#d0e930 for more
information on resolving problem where STAF machines cannot communicate.
--------------------------------------------------------------
Sharon Lucas
IBM Austin, luc...@us.ibm.com
(512) 286-7313 or Tieline 363-7313
From: Umesh <m_s_um...@yahoo.com>
To: staf-users@lists.sourceforge.net,
Date: 07/16/2012 05:07 PM
Subject: [staf-users] 'process' statement fails intermittently
Hi,
I keep getting the following issue quite often. I have tried increasing
'CONNECTTIMEOUT' on both local and remote machines and also increased
'Connection Attempts' on local machine to 5, but somehow I am not able to
get
this issue resolved.
Line 793: Error in element type "process".
The process failed to start, RC: 16, STAFResult:
STAFConnectionProviderConnect:
Error performing test read on connected endpoint: recv() RC=111: 22,
Endpoint:
ssl://1.2.3.4 (IP is an example here)
Code snippet is as below. Basically, trying to run a command on remote
machine.
<process>
<location>'%s' % cmdMachine</location>
<command mode='"shell"'>'%s' % command['cmdToExecute']</command>
<parms>'%s' % commandParameters </parms>
<stderr mode="'stdout'"/>
<returnstdout/>
</process>
Is there anyway wrap this code so that 'process' statement gets executed
only if
the remote machine is ready.
Thanks,
Umesh
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