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Subject: RE: Tomcat manager app stops responding
Date: Mon, 9 Aug 2004 14:55:39 +0100
Message-ID: <98C84BAA0FC00F44905EAAF345790A6C02989ECE@exchair1.becogent.com>
Thread-Topic: Tomcat manager app stops responding
Thread-Index: AcR+GCt0kE0XKZUBSxOGlvDedB6FFQAAFjAg
From: "Dale, Matt" <Matt.Dale@beCogent.com>
To: "Tomcat Users List" <tomcat-user@jakarta.apache.org>

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Issue a kill -3 to the java process will dump all the threads.

Ta
Matt

-----Original Message-----
From: Keith Bottner [mailto:kbottner@comcast.net]
Sent: 09 August 2004 14:52
To: 'Tomcat Users List'
Subject: RE: Tomcat manager app stops responding


My log files were being deleted by the deployment process so I was =
getting
nothing from them, I fixed that problem and will watch the logs today =
and
see if they show anything when it occurs.

BTW, any ideas on how to get a thread dump of the JVM on Linux?

I am definitely not out of memory but I will modify CATLINA_OPTS to dump =
the
GC statistics.

Please check back tomorrow after I have a day of logs.

Thanks,

Keith

-----Original Message-----
From: QM [mailto:qm300@brandxdev.net]=20
Sent: Monday, August 09, 2004 8:34 AM
To: Tomcat Users List
Subject: Re: Tomcat manager app stops responding


On Mon, Aug 09, 2004 at 04:52:18AM -0500, Keith Bottner wrote:
: 1] After my web application has been running for some time then access =
to
: /domain/manager/html never responds. It doesn't give me any kind of =
error,
: the browser just continues to process the request without ever timing =
out.
: Any ideas?

A couple.  A situation as generic as, "never responds" gets generic
advice:
1/ Check a thread dump of the JVM (search the archives if you don't know
how), see whether something's deadlocked.  Slim chance, but worth a =
shot.

2/ Check memory usage and GC, perhaps use a profiler.  GC can make an =
app
appear several shades of unresponsive.

3/ check the logs


: 2] Tomcat manager does NOT delete my .war file on undeploy,

I don't know about this one, so I'll leave it for someone who does.

-QM

--=20

software  -- http://www.brandxdev.net
tech news -- http://www.RoarNetworX.com


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