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From Bengt Rodehav <be...@rodehav.com>
Subject Re: Graceful shutdown of Windows service, revisited
Date Mon, 13 Dec 2010 08:22:00 GMT
JIRA created:

https://issues.apache.org/jira/browse/KARAF-327

<https://issues.apache.org/jira/browse/KARAF-327>I don't have access to a
Unix environment to test on. I have only tested on Windows.

/Bengt

2010/12/10 Guillaume Nodet <gnodet@gmail.com>

> Please create a new JIRA issue and link to the old one.
> Also, it would be nice to try with the latest trunk in case this has
> been fixed already, but I fear that JavaServiceWrapper may just kill
> the JVM abrubtly in some cases.  Does the problem only happen on
> windows or is that also happening on unix based os ?
>
> On Thu, Dec 9, 2010 at 13:52, Bengt Rodehav <bengt@rodehav.com> wrote:
> > I'm trying to make my Karaf service more resilient to shutdown. In
> > particular I want my Camel routes to shutdown gracefully. I started this
> > discussion a few months ago,
> > see http://www.mail-archive.com/user@karaf.apache.org/msg00084.html.
> > Guillaume created the JIRA ticket KARAF-176 which is also resolved. I
> > haven't had time to test this until now.
> > It seems to me that the problem persists. I'm now using Karaf 2.1.2 and
> > Camel 2.5.0. When I run Karaf from the command line and terminates Karaf
> by
> > pressing <ctrl-D>, Camel will gracefully shutdown. It looks something
> like
> > this:
> >>
> >> 2010-12-09 13:04:51,737 | INFO  | FelixStartLevel  |
> >> DefaultShutdownStrategy          | mel.impl.DefaultShutdownStrategy  114
> |
> >> Starting to graceful shutdown 1 routes (timeout 300 seconds)
> >>
> >> 2010-12-09 13:04:51,737 | INFO  | 1 - ShutdownTask |
> >> DefaultShutdownStrategy          | ultShutdownStrategy$ShutdownTask  383
> |
> >> Route: route1 suspended and shutdown deferred, was consuming from:
> >>
> Endpoint[file://C:\dev\Karaf\connect\common/data/interfaces/sample/file2file?delay=10000&include=%28%3Fi%29.*%28%3F%3C%21%5C.TMP%29&move=archive%2F%24%7Bdate%3Anow%3AyyyyMMdd%7D%2F%24%7Bfile%3Aonlyname%7D&moveFailed=failed%2F%24%7Bfile%3Aonlyname.noext%7D-%24%7Bdate%3Anow%3AyyyyMMddHHmmssSSS%7D.%24%7Bfile%3Aext%7D]
> >>
> >> 2010-12-09 13:04:51,737 | INFO  | 1 - ShutdownTask |
> >> DefaultShutdownStrategy          | ultShutdownStrategy$ShutdownTask  422
> |
> >> Waiting as there are still 1 inflight and pending exchanges to complete,
> >> timeout in 300 seconds.
> >>
> >> 2010-12-09 13:04:52,737 | INFO  | 1 - ShutdownTask |
> >> DefaultShutdownStrategy          | ultShutdownStrategy$ShutdownTask  422
> |
> >> Waiting as there are still 1 inflight and pending exchanges to complete,
> >> timeout in 299 seconds.
> >>
> >> 2010-12-09 13:04:53,737 | INFO  | 1 - ShutdownTask |
> >> DefaultShutdownStrategy          | ultShutdownStrategy$ShutdownTask  422
> |
> >> Waiting as there are still 1 inflight and pending exchanges to complete,
> >> timeout in 298 seconds.
> >>
> >> ...
> >>
> >> 2010-12-09 13:06:54,782 | INFO  | 1 - ShutdownTask |
> >> DefaultShutdownStrategy          | ultShutdownStrategy$ShutdownTask  422
> |
> >> Waiting as there are still 1 inflight and pending exchanges to complete,
> >> timeout in 177 seconds.
> >>
> >> 2010-12-09 13:06:55,782 | INFO  | 1 - ShutdownTask |
> >> DefaultShutdownStrategy          | ultShutdownStrategy$ShutdownTask  442
> |
> >> Route: route1 shutdown complete.
> >>
> >> 2010-12-09 13:06:55,782 | INFO  | FelixStartLevel  |
> >> DefaultShutdownStrategy          | mel.impl.DefaultShutdownStrategy  146
> |
> >> Graceful shutdown of 1 routes completed in 124 seconds
> >>
> >> 2010-12-09 13:06:55,798 | INFO  | FelixStartLevel  |
> >> DefaultInflightRepository        | l.impl.DefaultInflightRepository   93
> |
> >> Shutting down with no inflight exchanges.
> >>
> >> 2010-12-09 13:06:55,798 | INFO  | FelixStartLevel  | DefaultCamelContext
> >>            | e.camel.impl.DefaultCamelContext 1374 | Uptime: 2 minutes
> >>
> >> 2010-12-09 13:06:55,798 | INFO  | FelixStartLevel  | DefaultCamelContext
> >>            | e.camel.impl.DefaultCamelContext 1375 | Apache Camel 2.5.0
> >> (CamelContext: Sample file transfer from file to file) is shutdown in 2
> >> minutes
> >>
> >> ...
> >
> > But when Karaf is running as a service (I run on Windows XP SP 3) and
> stop
> > the service from the control panel. Karaf, and therefore Camel, is
> abruptly
> > killed. It looks like this:
> >>
> >> 2010-12-09 12:36:11,103 | INFO  | FelixStartLevel  |
> >> DefaultShutdownStrategy          | mel.impl.DefaultShutdownStrategy  114
> |
> >> Starting to graceful shutdown 1 routes (timeout 300 seconds)
> >>
> >> 2010-12-09 12:36:11,103 | INFO  | 4 - ShutdownTask |
> >> DefaultShutdownStrategy          | ultShutdownStrategy$ShutdownTask  383
> |
> >> Route: route2 suspended and shutdown deferred, was consuming from:
> >>
> Endpoint[file://C:\dev\Karaf\connect\common/data/interfaces/sample/file2file?delay=10000&include=%28%3Fi%29.*%28%3F%3C%21%5C.TMP%29&move=archive%2F%24%7Bdate%3Anow%3AyyyyMMdd%7D%2F%24%7Bfile%3Aonlyname%7D&moveFailed=failed%2F%24%7Bfile%3Aonlyname.noext%7D-%24%7Bdate%3Anow%3AyyyyMMddHHmmssSSS%7D.%24%7Bfile%3Aext%7D]
> >>
> >> 2010-12-09 12:36:11,103 | INFO  | 4 - ShutdownTask |
> >> DefaultShutdownStrategy          | ultShutdownStrategy$ShutdownTask  422
> |
> >> Waiting as there are still 1 inflight and pending exchanges to complete,
> >> timeout in 300 seconds.
> >
> > Nothing more is logged since the process is killed. I know that there is
> > never a guarantee that Karaf will shutdown gracefully since the process
> > might just die (e g out of power). But it would be nice if the control
> panel
> > could be used for stopping the service since thats what most operations
> > engineers do. There is always the option to log in to Karaf via SSH and
> > issue the shutdown command before stopping the service but then it
> becomes
> > too complicated for most people.
> > Karaf-176 seems to not have solved the problem (for Windows anyway).
> Shall I
> > reopen that ticket?
> > /Bengt
>
>
>
> --
> Cheers,
> Guillaume Nodet
> ------------------------
> Blog: http://gnodet.blogspot.com/
> ------------------------
> Open Source SOA
> http://fusesource.com
>

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