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From "Andreas Krause (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMQ-3795) ActiveMQ standalone script not fully LSB compliant
Date Mon, 02 Apr 2012 10:45:22 GMT
ActiveMQ standalone script not fully LSB compliant
--------------------------------------------------

                 Key: AMQ-3795
                 URL: https://issues.apache.org/jira/browse/AMQ-3795
             Project: ActiveMQ
          Issue Type: Bug
    Affects Versions: 5.5.1, 5.4.3
            Reporter: Andreas Krause


Just like in AMQ-3050, I tried to integrate ActiveMQ into a pacemaker setup.

As supposed to work, pacemaker should recognize a frozen or dead process an restart the service.
For ActiveMQ 5.4.3 and 5.5.1 this does not work in the following two scenarios:


(1) PID file present, JRE process crashed

Pacemaker recognizes this correctly (status gives return code 1) and calls "stop" to give
the script the chance to deal with the situation (remove stale PID file e.g.). Since this
is done successfully it should give a return code of 0, actually it is 1. A return code of
1 tells pacemaker something went wrong when stopping the service, so it changes the state
of the resource to "unmanaged (FAILED)" leaving the service in down state.


(2) PID file present, JRE process present, but frozen for some reason

First, pacemaker doesn't recognize this ("status" gives return code 0 = running, should be
non-zero), so maybe "status" should connect to the JRE and try talk to ActiveMQ in some way
instead of just looking for a process?

Furthermore, if called with "stop" in this case (simulated by sending SIGSTOP to the process),
the script tries to connect to the JRE to stop it, fails to do so and finally kills the process
forcefully. Since it (in some way) successfully stopped the service, it should return 0, but
actually it's 1 as well.


Return values needed for LSB compliance are given here: http://refspecs.linuxbase.org/LSB_3.1.0/LSB-Core-generic/LSB-Core-generic/iniscrptact.html

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