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Help: Tomcat crashing with "org.apache.jk.common.ChannelSocket processConnection"

laura mccord
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Joined: Feb 10, 2009
Posts: 108
Hi,

I need help with debugging. I am using Tomcat 6.0.24 and using mod_proxy to connect to httpd.

Seems like roughly 48 hours our server is crashing. I noticed that there were these messages that were in the log file before the crash occurs:

Aug 23, 2012 11:30:14 PM org.apache.jk.common.ChannelSocket processConnection
WARNING: processCallbacks status 2

Then about 20 minutes later these messages appear:

Aug 24, 2012 12:05:27 AM org.apache.tomcat.util.threads.ThreadPool$ControlRunnable run
SEVERE: Caught exception (java.lang.OutOfMemoryError: PermGen space) executing org.apache.jk.common.ChannelSocket$SocketConnection@dd8862d, terminating thread
Aug 24, 2012 12:29:24 AM org.apache.catalina.connector.CoyoteAdapter service
SEVERE: An exception or error occurred in the container during the request processing
java.lang.OutOfMemoryError: PermGen space

then a flood of these messages again:
Aug 24, 2012 12:50:41 AM org.apache.jk.common.ChannelSocket processConnection
WARNING: processCallbacks status 2

Which brings everything down forcing a restart.

I'm thinking this has to do with Apache Httpd fronting Tomcat with mod_proxy, but I'm not certain.

Also, in the Apache Httpd logs I found these messages if this helps:

[Fri Aug 24 00:11:39 2012] [error] (70014)End of file found: ajp_ilink_receive() can't receive header
[Fri Aug 24 00:20:10 2012] [error] (104)Connection reset by peer: ajp_ilink_receive() can't receive header
[Fri Aug 24 00:21:10 2012] [error] (70007)The timeout specified has expired: ajp_ilink_receive() can't receive header


Any suggestions? Or anything else I can provide that could help me troubleshoot this issue?

Thank you
 
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subject: Help: Tomcat crashing with "org.apache.jk.common.ChannelSocket processConnection"
 
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