Just do "sudo kill -3 <PID>"
It will most likely work.

If sudo is not enable - just google it. You will find instructions how
to enable it.

-Michael

--- On Fri, 3/22/13, Mark Eggers <its_toas...@yahoo.com> wrote:

> From: Mark Eggers <its_toas...@yahoo.com>
> Subject: Re: Diagnosing Silently Frozen Tomcats
> To: users@tomcat.apache.org
> Date: Friday, March 22, 2013, 3:36 PM
> On 3/22/2013 3:22 PM, Robinson, Eric
> wrote:
> > Dan said:
> >> Take a full thread dump of the PID.  Linux
> kill -3, if Windows
> >> CTRL+BREAK if you have a console window open.
> >>
> >
> > Mark said:
> >> 2. Thread dumps
> >>
> >
> > So I tried kill -3 but it does nothing. The process
> ignores me like
> > it owes me child support. I notice that it is in sleep
> state S1 if
> > that matters. Below is the full output from 'ps ax'
> >
> >
> > 18499 ?        Sl 
>    1:45 /usr/java/jdk1.6.0_21/bin/java
> -Xms16M
> > -Xmx192M -Djvm=tomcat6_003 -Djava.awt.headless=true
> > -Djava.net.preferIPv4Stack=true
> -Duser.timezone=US/Pacific
> > -Xloggc:/alley/site003/tomcat6/logs/gc.log
> -XX:+PrintGCDateStamps
> > -XX:+PrintGCDetails
> >
> -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
> >
> -Djava.util.logging.config.file=/alley/site003/tomcat6/conf/logging.properties
> > -Djava.endorsed.dirs=/alley/site003/tomcat6/endorsed
> -classpath
> > :/alley/site003/tomcat6/bin/bootstrap.jar
> > -Dcatalina.base=/alley/site003/tomcat6
> > -Dcatalina.home=/alley/site003/tomcat6
> > -Djava.io.tmpdir=/alley/site003/tomcat6/temp
> > org.apache.catalina.startup.Bootstrap start
> >
> >
> > Any thoughts on why kill won't kill it?
> >
> > --Eric
> 
> 1. Make sure you have permissions
> 
> If you're not the owner of the process or root, you'll get a
> 'permission 
> denied'
> 
> 2. look in the log files
> 
> $CATALINA_BASE/logs/catalina.out is the standard place for
> the thread 
> dump. Who knows where it is on rpm-managed installations . .
> . I always 
> install mine from scratch.
> 
> . . . . just my two cents.
> /mde/
> 
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