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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=12475 CPU Usage is 0%, Tomcat doesn't response ------- Additional Comments From [EMAIL PROTECTED] 2002-10-08 05:04 ------- Our jars for Tomcat 3.3.1 have date: 07/12/2002. The traces are not normal. There are several waiting threads and threse is _no_ listening thread. In my message I wrote that we saw two listening threads, but they listen Ajp12 and Ajp13 ports. We removed from server.xml Ajp12 and Ajp13 and after that our server hung up without and listening thread and with several waiting threads. I found one more detail. When the server hung up I made dump with the help of jdb. I invoked the following commands: suspend and wherei all. A part from dump of hung server: ... Thread-23: MonitorRunnable: [1] java.lang.Object.wait (native method) [2] org.apache.tomcat.util.threads.ThreadPool$MonitorRunnable.run (ThreadPool.java:407), pc = 11 [3] java.lang.Thread.run (Thread.java:484), pc = 11 ... What is 'Thread-23:' ? Why is there no stack trace for this thread ? There are stack traces for 'Thread-22' and 'Theread-24, but there is no for 'Thread-23'. I tried visual tools sush as IDEA and Eclipse, and I have similar result: there is a thread, which I can't suspend. I have no idea why this thread can't be suspended, but I always saw such thread, when our server hung up. We tried to find bug in your source, but we aren't familiar with your code and we didn't find anything wrong. Now we run our server under Tomcat 4.0 and we don't have such hang-up.... -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
