Executing OS Commands Fail with 512 Error when using Multi-threaded Extproc Agent
(Doc ID 1338515.1)
Last updated on FEBRUARY 03, 2019
Applies to:Oracle Net Services - Version: 10.2.0.5 to 184.108.40.206 - Release: 10.2 to 11.2
PL/SQL - Version: 10.2.0.5 to 220.127.116.11 [Release: 10.2 to 11.2]
Information in this document applies to any platform.
code 512 .
Starting MTA agent on the Unix server(telnet session) with the following command :
>agtctl startup extproc MTAagent_1
And everything was working fine up to some point.
Return code of 512 is intermittently returned when executing OS command, 'ls'.
After first occurrence the error occurs until Multi-threaded Extproc Agent is restarted.
In this case error seems to only reproduce for 'ls' command and might occur
with any OS command execution.
Also noticed that if instead of a simple "ls /etc/oratab", if
"ls /etc/oratab >> dummy.out" (redirect the output of the ls command), the error doesn't occur.
Everything is working correctly as long as the Unix session(telnet) that started the MTA agent is up and running.
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