I'd say the activity is moderate. Some 6-10 users would be using our web application during that time. The machine is better than a development machine but not as good as production one.
Jeff, can you explain more about the -- JVM's "permanent generation". Thanks. - SPS ----- Original Message ----- From: "Jeff Tulley" <[EMAIL PROTECTED]> Date: Thursday, March 25, 2004 7:59 pm Subject: Re: Tomcat Hangs > What kind of activity is going on with this server during those two > hours? Heavy, moderate, light load? Is it a development box or > production? > > I ask the last question, since some have seen a problelm with repeated > redeploys of a web application, where the JVM's "permanent generation" > memory is running out even though the rest of the memory pools are > nowhere near full. > > Jeff Tulley ([EMAIL PROTECTED]) > (801)861-5322 > Novell, Inc., The Leading Provider of Net Business Solutions > http://www.novell.com > > >>> [EMAIL PROTECTED] 3/25/04 5:50:42 PM >>> > We have Tomcat 4.1.27 running in conjunction with Apache 1.3.x. > We're > using AJP13 connector. The machine that we're using has got over > 2GB of > > Memory and good processor speed. Tomcat has been allocated 1 GB of max > > memory. > > The issue is: For every two hours or so Tomcat hangs. That means, > Tomcat don't crash but simply don't accept any more connections. While > > using Tomcat with Apache we're getting "500 Internal Server > Error". We > > are constantly restarting server to make it work. There is no good > information in the logs that could lead us to debug this issue. > > I have tried several things. Taken out Apache and Connectors from > the > equation by running Tomcat as standalone. This time Tomcat we > get "server not found error - Page cannot be displayed" message. I > have > also increased the maxProcessors of the connector to 300 instead > of the > > default 75. > > Interesting thing is -- when Tomcat hangs the memory usage never > reaches even half of the max memory (1 GB) allocated to Tomcat, > and the > > number of threads that we see is also always less than half of > maxProcessors value (300) set. > > If anybody encountered this kind of issue or if you have any > thoughts > please respond. > > Thanks in advance! > > - SPS > > > > ------------------------------------------------------------------- > -- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: tomcat-user- > [EMAIL PROTECTED] > > > ------------------------------------------------------------------- > -- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
