[Koha-bugs] [Bug 27140] koha-zebra doesn't properly stop Zebra

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=27140

--- Comment #2 from David Cook <dcook at prosentient.com.au> ---
(In reply to Marcel de Rooy from comment #1)
> Remember some similar experience. But is the info clear enough for someone
> to solve this ticket ? :)

Good point heh.

Interestingly... I just tried "koha-zebra --stop -v kohadev" and "koha-zebra
--start -v kohadev" and it worked correctly.

"koha-zebra --restart -v kohadev" just worked too...

--

Aha... I just went to
http://localhost:8081/cgi-bin/koha/catalogue/search.pl?q=test and then I tried
"koha-zebra --stop -v kohadev" but it didn't work.

Evidence:
------------------------------ ----------------------------------------
-------------------------------------
root at kohadevbox:koha(bug_12430)$ koha-zebra --start -v kohadev
[ ok ] Starting Koha Zebra daemon for kohadev:.
root at kohadevbox:koha(bug_12430)$ ps -efww | grep "zebrasrv"
kohadev+ 25286     1  1 02:38 ?        00:00:00 daemon
--name=kohadev-koha-zebra --pidfiles=/var/run/koha/kohadev/
--errlog=/var/log/koha/kohadev/zebra-error.log
--output=/var/log/koha/kohadev/zebra-output.log --verbose=1 --respawn --del
ay=30 --user=kohadev-koha.kohadev-koha -- /usr/bin/zebrasrv -v
none,fatal,warn,request -k 1024 -f /etc/koha/sites/kohadev/koha-conf.xml
kohadev+ 25308 25286  0 02:38 ?        00:00:00 /usr/bin/zebrasrv -v
none,fatal,warn,request -k 1024 -f /etc/koha/sites/kohadev/koha-conf.xml
root     25310  3959  0 02:38 pts/1    00:00:00 grep zebrasrv
------------------------------ ----------------------------------------
-------------------------------------
root at kohadevbox:koha(bug_12430)$ ps -efww | grep "zebrasrv"
kohadev+ 25286     1  0 02:38 ?        00:00:00 daemon
--name=kohadev-koha-zebra --pidfiles=/var/run/koha/kohadev/
--errlog=/var/log/koha/kohadev/zebra-error.log
--output=/var/log/koha/kohadev/zebra-output.log --verbose=1 --respawn --del
ay=30 --user=kohadev-koha.kohadev-koha -- /usr/bin/zebrasrv -v
none,fatal,warn,request -k 1024 -f /etc/koha/sites/kohadev/koha-conf.xml
kohadev+ 25308 25286  0 02:38 ?        00:00:00 /usr/bin/zebrasrv -v
none,fatal,warn,request -k 1024 -f /etc/koha/sites/kohadev/koha-conf.xml
kohadev+ 25315 25308  0 02:38 ?        00:00:00 /usr/bin/zebrasrv -v
none,fatal,warn,request -k 1024 -f /etc/koha/sites/kohadev/koha-conf.xml
root     25320  3959  0 02:38 pts/1    00:00:00 grep zebrasrv
------------------------------ ----------------------------------------
-------------------------------------
root at kohadevbox:koha(bug_12430)$ koha-zebra --stop -v kohadev
[ ok ] Stopping Koha Zebra daemon for kohadev:.
root at kohadevbox:koha(bug_12430)$ ps -efww | grep "zebrasrv"
kohadev+ 25286     1  0 02:38 ?        00:00:00 daemon
--name=kohadev-koha-zebra --pidfiles=/var/run/koha/kohadev/
--errlog=/var/log/koha/kohadev/zebra-error.log
--output=/var/log/koha/kohadev/zebra-output.log --verbose=1 --respawn --del
ay=30 --user=kohadev-koha.kohadev-koha -- /usr/bin/zebrasrv -v
none,fatal,warn,request -k 1024 -f /etc/koha/sites/kohadev/koha-conf.xml
kohadev+ 25308 25286  0 02:38 ?        00:00:00 [zebrasrv] <defunct>
kohadev+ 25315     1  0 02:38 ?        00:00:00 /usr/bin/zebrasrv -v
none,fatal,warn,request -k 1024 -f /etc/koha/sites/kohadev/koha-conf.xml
root     25357  3959  0 02:38 pts/1    00:00:00 grep zebrasrv
------------------------------ ----------------------------------------
-------------------------------------

It looks like the daemon stop killed the original zebrasrv process but it
didn't kill the child process of the original zebrasrv process...

If I kill the child process (pid 25315), then everything will terminate:

root at kohadevbox:koha(bug_12430)$ kill -9 25315
root at kohadevbox:koha(bug_12430)$ ps -efww | grep "zebrasrv"
root     25417  3959  0 02:42 pts/1    00:00:00 grep zebrasrv

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