Red Hat Bugzilla – Bug 458401
qpidd server fails to start -- Data directory is locked by another process:
Last modified: 2008-11-26 12:37:45 EST
Description of problem:
Startup of the qpidd service fails with:
[root@xxx]: /etc/init.d/qpidd start
Starting Qpid AMQP daemon: Daemon startup failed: Data directory is locked by another process: /var/lib/qpidd
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. 'service qpidd start'
2. reach over and un-plug the machine (force a crash)
3. after re-booting, the qpidd service refuses to start
The init scripts should somehow (?) realize that its a stale lock.
After reading "src/qpid/DataDir.cpp" its obvious that:
is a work-around for this problem. But its *not* an actual fix. Most
users are not prepared to read C++ to figure out how to get the qpidd
running after a system crash.
I think the real fix is to modify the /etc/init.d/qpidd startup script
0) it uses the $pidfile so it *knows* whether a qpidd process is
actually running or not
1) if qpidd is not running, then delete the /var/lib/qpidd/lock
before trying to start a new one
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