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From "Guillaume Nodet (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (KARAF-327) Graceful shutdown of Windows service, revisited
Date Thu, 06 Jan 2011 17:30:47 GMT

     [ https://issues.apache.org/jira/browse/KARAF-327?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Guillaume Nodet resolved KARAF-327.
-----------------------------------

    Resolution: Fixed

The wrapper shutdown seems to work great now in all the tests i've done.

> Graceful shutdown of Windows service, revisited
> -----------------------------------------------
>
>                 Key: KARAF-327
>                 URL: https://issues.apache.org/jira/browse/KARAF-327
>             Project: Karaf
>          Issue Type: Bug
>          Components: wrapper
>    Affects Versions: 2.1.2
>         Environment: Windows XP SP 3
>            Reporter: Bengt Rodehav
>            Assignee: Achim Nierbeck
>             Fix For: 2.1.3, 2.2.0
>
>
> 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.

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