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From "Duan, Nick" <ND...@mcdonaldbradley.com>
Subject RE: problems with Clusters or apache connector not sure which one
Date Mon, 13 Feb 2006 15:06:17 GMT
It looks like a network problem to me.  Is there any firewall between
the apache and your tomcat server?  Or did your IT dept reconfigure the
network recently?

ND

-----Original Message-----
From: Randy Paries [mailto:rtparies@gmail.com] 
Sent: Monday, February 13, 2006 9:27 AM
To: Tomcat Users List
Subject: problems with Clusters or apache connector not sure which one

hello,
I am running apache-tomcat-5.5.15 on three boxes 2 rh9 and one fedora
4. and they are clustered together

I am seeing problems where apache can not longer talk to tomcat.

if anyone can point me on how to debug this please help, i am not sure
what else i should include as far a conf setups, so please let me know
what other details i need to supply so you guys can help

Thanks


in the log files at the time of the failure i see the following

catalina.out ( i will see a bunch of these)
========================================================
Feb 12, 2006 8:25:23 PM
org.apache.catalina.cluster.tcp.TcpReplicationThread run
SEVERE: TCP Worker thread in cluster caught 'java.io.IOException:
Connection reset by peer' closing channel
java.io.IOException: Connection reset by peer
        at sun.nio.ch.FileDispatcher.read0(Native Method)
        at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:21)
        at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:233)
        at sun.nio.ch.IOUtil.read(IOUtil.java:206)
        at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:207)
        at
org.apache.catalina.cluster.tcp.TcpReplicationThread.drainChannel(TcpRep
licationThread.java:125)
        at
org.apache.catalina.cluster.tcp.TcpReplicationThread.run(TcpReplicationT
hread.java:69)

=========================================================

then in my mod_jk.log i will see
=========================================================
[Sun Feb 12 20:25:10 2006]  [jk_ajp_common.c (1303)]: ERROR: Client
connection aborted or network problems
[Sun Feb 12 20:25:13 2006]  [jk_ajp_common.c (1303)]: ERROR: Client
connection aborted or network problems
[Sun Feb 12 20:25:39 2006]  [jk_ajp_common.c (1303)]: ERROR: Client
connection aborted or network problems
[Sun Feb 12 20:30:00 2006]  [jk_ajp_common.c (738)]: ERROR: can't
receive the response message from tomcat, network problems or tomcat
is down. err=-104
[Sun Feb 12 20:30:00 2006]  [jk_ajp_common.c (1137)]: Error reading
reply from tomcat. Tomcat is down or network problems.
[Sun Feb 12 20:30:00 2006]  [jk_ajp_common.c (1290)]: ERROR: Receiving
from tomcat failed, recoverable operation. err=0
[Sun Feb 12 20:30:02 2006]  [jk_ajp_common.c (738)]: ERROR: can't
receive the response message from tomcat, network problems or tomcat
is down. err=-104
[

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