Re: [Wrapper-user] Wrapper shuts down on Linux

[Leif M. <lei...@ta...>]

Tibor,
This does not appear to be a ping timeout issue.   For some reason,
the log file you have sent does not contain any of the debug output
from the JVM so it is difficult to tell exactly what is happening
there.

The Wrapper is initiating a shutdown because the JVM sent a STOP
packet to the Wrapper.  This could have been caused by any number of
things.  a) Someone called System.exit(0) b) Runtime.halt(0), c) All
non-daemon threads stopped, etc.

The shutdown appears to be normal from the Wrapper perspective however.

Cheers,
Leif

On Thu, Oct 16, 2008 at 6:13 PM, Kiss Tibor <kis...@gm...> wrote:
> Hi,
>
> I am evaluating Nexus Maven repository http://nexus.sonatype.org/ wich has
> Wrapper (Version 3.2.3).
> Unfortunately often get restarted or more precisely stopped even if I
> increased the timeout value.
>
> DEBUG  | wrapperp | 2008/10/16 10:31:09 | read a packet PING : ok
> DEBUG  | wrapper  | 2008/10/16 10:31:09 | Got ping response from JVM
> DEBUG  | wrapperp | 2008/10/16 10:31:13 | send a packet PING : ping
> DEBUG  | wrapperp | 2008/10/16 10:31:13 | read a packet PING : ok
> DEBUG  | wrapper  | 2008/10/16 10:31:13 | Got ping response from JVM
> DEBUG  | wrapperp | 2008/10/16 10:41:13 | read a packet STOP : 0
> DEBUG  | wrapper  | 2008/10/16 10:41:13 | JVM requested a shutdown. (0)
> DEBUG  | wrapper  | 2008/10/16 10:41:13 | wrapperStopProcess(0) called.
> DEBUG  | wrapper  | 2008/10/16 10:41:13 | Sending stop signal to JVM
> DEBUG  | wrapperp | 2008/10/16 10:41:13 | send a packet STOP : NULL
> DEBUG  | wrapperp | 2008/10/16 10:41:14 | read a packet LOG(INFO) : Stopping
> the Plexus Container.
> DEBUG  | wrapper  | 2008/10/16 10:41:14 | Got a log message from JVM:
> Stopping the Plexus Container.
> DEBUG  | wrapperp | 2008/10/16 10:41:14 | read a packet LOG(INFO) : Plexus
> Container stopped.
> DEBUG  | wrapper  | 2008/10/16 10:41:14 | Got a log message from JVM: Plexus
> Container stopped.
> DEBUG  | wrapperp | 2008/10/16 10:41:14 | read a packet STOPPED : 0
> DEBUG  | wrapper  | 2008/10/16 10:41:14 | JVM signalled that it was stopped.
> DEBUG  | wrapperp | 2008/10/16 10:41:14 | socket read no code (closed?).
> DEBUG  | wrapperp | 2008/10/16 10:41:15 | server listening on port 32001.
> DEBUG  | wrapper  | 2008/10/16 10:41:15 | JVM exited normally.
> DEBUG  | wrapper  | 2008/10/16 10:41:15 | Signal trapped.  Details:
> DEBUG  | wrapper  | 2008/10/16 10:41:15 |   signal number=17 (SIGCHLD),
> source="unknown"
> DEBUG  | wrapper  | 2008/10/16 10:41:15 | Received SIGCHLD, checking JVM
> process status.
> DEBUG  | wrapper  | 2008/10/16 10:41:15 | JVM process exited with a code of
> 1, setting the wrapper exit code to 1.
> STATUS | wrapper  | 2008/10/16 10:41:15 | <-- Wrapper Stopped
>
> Looking into the debug log, I see that the sending of the ping is getting
> stopped. Not the ping-back.
>
> I have a Red Hat Enterprise Linux server v 5.1 running inside a virtual
> machine. The processor load is near zero, there is no process to bother my
> process.
>
> Except the enlarging of the timeout written in the FAQ and
> http://sourceforge.net/mailarchive/forum.php?thread_name=d049fb4f0809031947t267aa72fhb4d7965a936d811a%40mail.gmail.com&forum_name=wrapper-user
> I see no solution yet. The latter thread says that the JVM is the problem
> My jvm is Java HotSpot(TM) Client VM (build 1.5.0_13-b05, mixed mode,
> sharing)
> I don't think so that the JVM is the problem...
>
> Regards,
> Tibor
>
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