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From "Paul Hamer" <p...@tohave.nl>
Subject RE: Small connection problems with JK 1.2.15 and IIS 5
Date Wed, 08 Feb 2006 12:23:06 GMT
Hi,

I experienced the same problem as described earlier in this thread. I'm also
using Tomcat 5.5 (5.5.15 to be exact), JK 1.2.15 and IIS 5 (Win2k server).
I'm running a single Tomcat instance, and it's on the same server as IIS.

I was also having these messages, really thousands every day:

---------------------------------------------
[Thu Feb 02 08:21:08 2006] [warn]  jk_ajp_common.c (2138): Unable to get the
free endpoint for worker ajp13 from 10 slots
[Thu Feb 02 08:21:08 2006] [info]  jk_ajp_common.c (2152): can't find free
endpoint
---------------------------------------------

Increasing the cachesize in worker.properties to 100 indeed fixes these
problems! Many tanx to Mladen Turk for his replies earlier in this thread!
I've been having this problem since september 2005, and generated A LOT OF
"page not found errors". These have now disappeared :-)

However, the JK logs still show a whole lot of (about 10.000 every day!!)
these errors:

---------------------------------------------
[Wed Feb 08 13:03:49 2006] [error] jk_isapi_plugin.c (639): WriteClient
failed with 00002745
[Wed Feb 08 13:03:49 2006] [info]  jk_ajp_common.c (1384): Connection
aborted or network problems
[Wed Feb 08 13:03:49 2006] [info]  jk_ajp_common.c (1731): Receiving from
tomcat failed, because of client error without recovery in send loop 0
[Wed Feb 08 13:03:49 2006] [info]  jk_lb_worker.c (711): unrecoverable error
400, request failed. Client failed in the middle of request, we can't
recover to another instance.
---------------------------------------------

Here's my worker.properties file:

---------------------------------------------
ps=\
workers.tomcat_home=C:\Tomcat5.5
workers.java_home=C:\Java\jre5
worker.list=ajp13,jkstatus

worker.ajp13w.type=ajp13
worker.ajp13w.host=localhost
worker.ajp13w.port=8009
#note: Tomcat AJP maxThreads is currently at 125
worker.ajp13w.cachesize=100
worker.ajp13w.lbfactor=1
worker.ajp13w.redirect=catch

worker.catch.type=ajp13
worker.catch.host=localhost
worker.catch.port=8009
worker.catch.lbfactor=1
worker.catch.disabled=true

worker.ajp13.type=lb
worker.ajp13.balance_workers=ajp13w,catch

worker.jkstatus.type=status
---------------------------------------------

I'm not sure yet if these errors actually have any consequences for my
site-visitors, since I only just fixed the "can't find free endpoint"
problem. But I do know, those errors must be there for a reason...

Anyone?

Tanx a lot!
Paul Hamer


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