On 12.03.2009 17:45, Toni Menendez Lopez wrote:
Rainer,
May be my problem is due to the fact I have the line :
#worker.izonetv.sticky_session_force=1
commented.
The reason is that if I uncomment this line I have this error in Apache :
[Thu Mar 12 17:31:37 2009][23548:6496] [error] service::jk_lb_worker.c
(1144): All tomcat instances failed, no more workers left for recovery
Any idea what can be the problem ?
Set your JkLogLevel to info. Whenever an [error] occurs, look for the
[info] messages before the error and having the same [pid:tid] numbers.
Those will indicate, why the request failed.
You can post those lines if you don't understand them.
Most of the time such problems comes from webapps or backend sizing,
which can't cope with the load. In these cases we always suggest to take
2 or 3 thread dumps, each a couple of seconds apart from each other and
have a look at them.
On a Unix/Linux system you can take a thread dump using "kill -QUIT"
against your process (it will not end Tomcat, it will simply write some
information to catalina.out and then proceed normal processing, at least
if you are sing JVM 1.4.2 or newer).
Regards,
Rainer
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