JBoss ON server or agent process is terminated by OOM-Killer if host machine has insufficient memory

Solution Verified - Updated -

Issue

  • RHQ Server IS NOT running
  • Server stops working after a few hours

  • rhqctl status unexpectedly reports server IS NOT running:

    RHQ Storage Node               (pid 10155  ) IS running
RHQ Server                     (pid 10162  ) IS NOT running
JBossAS Java VM child process  (no pid file) IS NOT running
RHQ Agent                      (pid 10259  ) IS running

  • After any change from user interface (UI), RHQ Server and JBossAS Java VM child process were stopped

  • Server process is terminated and /var/log/messages reveals:

    kernel: Out of memory: Kill process 10162 (java) score 161 or sacrifice child
kernel: Killed process 10162, UID 0, (java) total-vm:2307155kB, anon-rss:761794kB, file-rss:809kB

Environment

  • Red Hat JBoss Operations Network (ON) 3.2
  • Red Hat Enterprise Linux 5, 6, 7

  • Panic on Out-of-Memory (OOM) is disabled

    $ cat /proc/sys/vm/panic_on_oom
0

  • Host machine's total physical and swap memory are insufficient to run the JBoss ON system

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