tomcat problems

We run the Tomcat (v4.1) with Apache (1.3), connected through mod_jk. Every so often it stops running. Unfortunately, I have no idea why and I am not on top of all scripts running.

[Wed Jul 27 17:14:42 2005] [jk_ajp_common.c (1250)]: Tomcat is down or network problems. No response has been sent to the client (yet)
[Wed Jul 27 17:14:42 2005] [jk_ajp_common.c (1449)]: ERROR: Receiving from tomcat failed, recoverable operation. err=0
[Wed Jul 27 17:14:42 2005] [jk_ajp_common.c (1477)]: Error connecting to tomcat. Tomcat is probably not started or is listening on the wrong port. worker=localhost failed errno = 61
The error log claims that it's not running, but it is. The fix has been to stop and start it and then it works. Sometimes for 6 weeks, sometimes for 5 days only.

Anyone got any pointers?

 

 

 

 

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