Regarding the ideas:
1. tomcat 5.5 and java 1.6 should be fine together.
2. If all threads are busy, the AccessLogValve may not show anything.
Something _seems_ to be causing your jdk to turn into a zombie. Sending
a kill signal to the tomcat process so you get a thread dump is probably
best. Can you post the last few messages of catalina.out?
--David
Franck Borel wrote:
Hi Etienne,
Etienne Lacombe schrieb:
Hello,
Setup
Linux
Tomcat 5.5.20
Java 1.6
Two ideas:
(1) I am not shure if Tomcat 5.5.20 is compatible with Java 1.6.
(2) Turn on the AccessLogValve in your server.xml config file, so you
can see if the client requests attain your Tomcat. If not I would
assume this has nothing to do with Tomcat. So I would check the firewall.
-- Franck
I would like some help in locating the cause of a problem on a Tomcat
5.5.20
server.
The server runs fine for some days and then suddenly stops responding to
requests - the client's browser waits for a respond and times out.
On the server, there is no CPU usage. However, when trying to access
any of
the webapps, including the Manager, they all time out.
We tried connecting to the JVM using the JConsole and we don't get a
response
to that either.
I went through all the log files and could not find any significant
error (no
out-of-memory, etc). Only a few error in our program but nothing that
would
cause the whole server to freeze up. There were a few socket
connection error
but they were not near the time of the freeze per what I could see.
If anybody could help me by directing me to what else I should look
for, that
would be greatly appreciated!
Etienne
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