[Bug 924301] Re: normal exit TERM is not working every time

Sworddragon 924301 at bugs.launchpad.net
Sat Feb 4 11:16:25 UTC 2012


>If a job marked 'normal TERM' is respawning when you send it kill
-TERM, then the process is probably *not* dying as a result of the
signal - it probably instead has a signal handler and is exiting with
some different exit status.

Shouldn't upstart ignore such a behaviour of a signal handler? The
application got still a SIGTERM independent of what it returns.


>Try running the command from the command line, killing it with SIGTERM, and checking what you actually get as an exit status.

"sleep 60" and "java -jar /usr/local/bin/minecraft_server.jar nogui" are
returning 143 if they close because of a SIGTERM. I have tried this with
test.conf:

normal exit 143
respawn
respawn limit 2 60
exec sleep 60

After a SIGTERM sleep 60 is curiously respawning.

normal exit 143
respawn
respawn limit 2 60
exec java -jar /usr/local/bin/minecraft_server.jar nogui

But the java application doesn't respawn anymore as expected if closed
with a SIGTERM.

** Changed in: upstart (Ubuntu)
       Status: Invalid => New

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https://bugs.launchpad.net/bugs/924301

Title:
  normal exit TERM is not working every time

Status in “upstart” package in Ubuntu:
  New

Bug description:
  I'm using Ubuntu 12.04 dev with upstart 1.4-0ubuntu4. I have written a
  script which uses the respawn stanza and TERM as a normal exit. But on
  some commands the process will respawn and on other commands not (like
  expected) if I use a SIGTERM on the process. Here are 2 examples:

  normal exit 0 KILL TERM
  respawn
  respawn limit 2 60
  exec sleep 60

  A SIGTERM on the "sleep 60" process will not cause it to respawn.

  normal exit 0 KILL TERM
  respawn
  respawn limit 2 60
  exec java -jar /usr/local/bin/minecraft_server.jar nogui

  A SIGTERM on the java process will cause it to respawn. I don't know
  why it is respawning. It is the only process that is created and a
  SIGTERM shouldn't cause it to respawn.

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