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Posted to users@tomcat.apache.org by Xavier Vercoutere <xa...@korfina.be> on 2009/12/16 16:02:59 UTC
tomcat 5.5 -> tomcat 6.0
Hi,
I recently migrated from tomcat 5.5 on a Windows 2003 server to tomcat 6.0 on a Windows 2008 server.
Everything is functioning perfectly except for the built-in scheduling.
I have to restart the Tmocat 6.0 service almost every 2 days to keep the schedule going. I never head this problem with Tomcat 5.5.
When I run the scheduled job manually at a time when the scheduling is not working any more, the job functions without any problem.
That leads me to the conclusion that the reason for the 'hanging' has to come form Tomcat itself.
Please advice
Met vriendelijke groeten
Xavier Vercoutere
Tel Dir : +32 56 /52 87 22
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Fax : +32 56 /52.87.35
xavier.vercoutere@korfina.be
Minister Liebaertlaan 10
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RE: tomcat 5.5 -> tomcat 6.0
Posted by "Caldarale, Charles R" <Ch...@unisys.com>.
> From: Xavier Vercoutere [mailto:xavier.vercoutere@korfina.be]
> Subject: RE: tomcat 5.5 -> tomcat 6.0
>
> I've attached the log files in a rar file.
Attachments usually don't make it through (something stripped this one), and please never use .rar format for compression (it conflicts with standard Java EE Resource Adapter files), beside being proprietary.
- Chuck
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RE: tomcat 5.5 -> tomcat 6.0
Posted by Xavier Vercoutere <xa...@korfina.be>.
> From: Xavier Vercoutere [mailto:xavier.vercoutere@korfina.be]
> Subject: tomcat 5.5 -> tomcat 6.0
>
> Everything is functioning perfectly except for the built-in scheduling.
What built-in scheduling is that? One of your webapps?
It's a custom sync job ran by the quartz scheduler
> I have to restart the Tmocat 6.0 service almost every 2 days to keep
> the schedule going. I never head this problem with Tomcat 5.5.
What starts the scheduled job? Have you looked in the Tomcat logs? Have you taken a thread dump to see if whatever is supposed to start the scheduled job is running?
That is just the problem :
The scheduled job runs fine a couple of time and than at a certain moment the scheduled jobs is no longer executed.
I did not find any specific job related error info in the logs. I'm not a tomcat specialist. I've attached the log files in a rar file.
The name of the job is : dataswitchsynchronizationjob
> That leads me to the conclusion that the reason for the 'hanging' has
> to come form Tomcat itself.
"It's always somebody else's fault..."
Indeed when you First analyzed your own apps
- Chuck
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RE: tomcat 5.5 -> tomcat 6.0
Posted by "Caldarale, Charles R" <Ch...@unisys.com>.
> From: Xavier Vercoutere [mailto:xavier.vercoutere@korfina.be]
> Subject: RE: tomcat 5.5 -> tomcat 6.0
>
> What is the preferred method for attachments ?
None.
But back to your real problem: none of the things you described are related to Tomcat, since there's no built-in scheduling facility. You'll need to add logging statements to the scheduler to make sure it's really trying to start up the target procedure at the appropriate times, and also put some logging in the target to see if it's ever getting control. You could use JConsole or similar monitoring mechanism to make sure the quartz thread is still alive, or if it's stuck somewhere.
- Chuck
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RE: tomcat 5.5 -> tomcat 6.0
Posted by Xavier Vercoutere <xa...@korfina.be>.
Hi
What is the preferred method for attachments ?
-----Original Message-----
From: Caldarale, Charles R [mailto:Chuck.Caldarale@unisys.com]
Sent: woensdag 16 december 2009 16:11
To: Tomcat Users List
Subject: RE: tomcat 5.5 -> tomcat 6.0
> From: Xavier Vercoutere [mailto:xavier.vercoutere@korfina.be]
> Subject: tomcat 5.5 -> tomcat 6.0
>
> Everything is functioning perfectly except for the built-in scheduling.
What built-in scheduling is that? One of your webapps?
> I have to restart the Tmocat 6.0 service almost every 2 days to keep
> the schedule going. I never head this problem with Tomcat 5.5.
What starts the scheduled job? Have you looked in the Tomcat logs? Have you taken a thread dump to see if whatever is supposed to start the scheduled job is running?
> That leads me to the conclusion that the reason for the 'hanging' has
> to come form Tomcat itself.
"It's always somebody else's fault..."
- Chuck
THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY MATERIAL and is thus for use only by the intended recipient. If you received this in error, please contact the sender and delete the e-mail and its attachments from all computers.
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For additional commands, e-mail: users-help@tomcat.apache.org
---------------------------------------------------------------------
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RE: tomcat 5.5 -> tomcat 6.0
Posted by "Caldarale, Charles R" <Ch...@unisys.com>.
> From: Xavier Vercoutere [mailto:xavier.vercoutere@korfina.be]
> Subject: tomcat 5.5 -> tomcat 6.0
>
> Everything is functioning perfectly except for the built-in scheduling.
What built-in scheduling is that? One of your webapps?
> I have to restart the Tmocat 6.0 service almost every 2 days to keep
> the schedule going. I never head this problem with Tomcat 5.5.
What starts the scheduled job? Have you looked in the Tomcat logs? Have you taken a thread dump to see if whatever is supposed to start the scheduled job is running?
> That leads me to the conclusion that the reason for the 'hanging' has
> to come form Tomcat itself.
"It's always somebody else's fault..."
- Chuck
THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY MATERIAL and is thus for use only by the intended recipient. If you received this in error, please contact the sender and delete the e-mail and its attachments from all computers.
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