Have a look at this Valve: http://svn.apache.org/repos/asf/tomcat/trunk/java/org/apache/catalina/valves /StuckThreadDetectionValve.java
For Tomcat 7.0.14 > -----Original Message----- > From: Afkham Azeez [mailto:afk...@gmail.com] > Sent: Samstag, 11. Juni 2011 19:23 > To: Tomcat Users List > Subject: Re: Terminating long running request threads > > Thanks Rainer. I think I can use the RequestProcessor MBeans. > > Thanks > Azeez > > On Sat, Jun 11, 2011 at 8:41 PM, Rainer Jung > <rainer.j...@kippdata.de>wrote: > > > On 11.06.2011 09:30, Afkham Azeez wrote: > > > Folks, > > > Is there any API to get hold of Tomcat's Connector thread pools? > > > > Each request is registered with an MBean in the MBeanServer. > > As long as the request is running, the MBean contains > additional info, > > like the URI, when the request started, the thread name etc. > > > > This gives you enough info to find long running requests > and to find the > > thread. But there's no non-deprecated Java API known to have no side > > effects to terminate a thread. If it were (or you find > one), we had to > > check how the thread pool behaves w.r.t. "vanishing" threads. > > > > Regards, > > > > Rainer > > > > > On Thu, Jun 9, 2011 at 10:58 PM, Afkham Azeez > <afk...@gmail.com> wrote: > > > > > >> > > >> > > >> On Thu, Jun 9, 2011 at 10:51 PM, Caldarale, Charles R < > > >> chuck.caldar...@unisys.com> wrote: > > >> > > >>>> From: Afkham Azeez [mailto:afk...@gmail.com] > > >>>> Subject: Terminating long running request threads > > >>> > > >>>> is there a way to get hold of these long running threads > > >>>> & terminate them? > > >>> > > >>> This is not an issue specific to Tomcat; there is no > way to safely > > >>> terminate a Java thread without the cooperation of that > thread. Best > > if you > > >>> can code your webapp so that your request processors > periodically check > > if > > >>> they've been running too long and give up if so. > > >>> > > >> > > >> Yes, it is not a Tomcat specific issue. The thing is, we > don't have > > total > > >> control over what type of webapps will be deployed. We > do restrict > > certain > > >> operations using a Java Security Manager, but I do not > think we can > > restrict > > >> the running time of a Thread using a security manager. Using > > >> the ThreadMXBean we can monitor the time each thread > takes, and get the > > >> thread IDs of long running threads. It may be possible > to get that > > thread to > > >> terminate if we have some support for that from the > Tomcat threadpool. > > Just > > >> thinking out loud. > > >> > > >> Thanks > > >> Azeez > > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > > For additional commands, e-mail: users-h...@tomcat.apache.org > > > > > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
