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Tomcat listening on port but not responding to requests

Tomcat listening on port but not responding to requests

2006-11-29       - By Joel Klein

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Reply:     1     2     3     4     5     6     7  

Tomcat 5.0.28 has been running fine on 8 identical servers (Apple
xserve Mac OS 10.3) for a few months, but recently 2 of them have
stopped responding to requests.  By that I mean that a browser spins
for several minutes and eventually says the server is taking too long
to respond.  I tried some variants of my web app, and ended up
removing it, so that only the webapps/ROOT with the default Tomcat
welcome page was left, and Tomcat is not serving that either.

What I want to know from this list is if anyone's heard of this case
history, Tomcat appears to start OK, but doesn't seem to respond to
requests.

Netstat -a says that something is listening on the port, and with
multiple stops and starts I'm careful to make sure the port is not in
use before trying to start Tomcat.

Top shows that the machine is basically idle.

I don't see any obvious difference in catalina.log between the working
TC and the broken TC.  No exception stack traces or warnings or
anything.

The last thing in catalina.log is this:

Nov 29, 2006 10:29:08 PM org.apache.catalina.startup.Catalina Source code of org.apache.catalina.startup.Catalina start
INFO: Server startup in 18092 ms

Does this indicate that Tomcat has finished all its initialization?

--
Joel                             [Online at http://jfkbits.blogspot.com]

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