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From "Bill Barker" <wbar...@wilshire.com>
Subject Re: mod_jk 1.2.10 and tomcat 5.5.9 buffer overflow
Date Tue, 12 Jul 2005 17:14:50 GMT
The message is simply that you have a header value that is too big for the
AJP/1.3 protocol to handle.  If you enable DEBUG logging for
org.apache.jk.common.MsgAjp, you should get a dump of the partial data that
should include the name of the bad header.

----- Original Message -----
From: "Collin McClendon" <collin.mcclendon@Digiconasp.com>
To: <tomcat-dev@jakarta.apache.org>
Sent: Tuesday, July 12, 2005 9:38 AM
Subject: mod_jk 1.2.10 and tomcat 5.5.9 buffer overflow


> Hello all,
> I was kindly redirected to this list by Mr. Turk, the author of mod_jk.
> He suggested that someone here might be able to determine
> why when using mod_jk and tomcat and apache, I am getting buffer
> overflow messages in the catalina.out logfile.  This tends to
> happen after 8 hours or so, and after users have been visiting the
> website, not when idle. I have the relevant portion of the log here:
> My mod_jk as stated is 1.2.10, tomcat is 5.5.9, and apache is 2.0.52-12
> (RedHat 4.0ES build).
>
> SEVERE: Buffer overflow: buffer.len=8192 pos=70 data=18568
> Jun 28, 2005 6:16:21 PM org.apache.jk.common.MsgAjp cpBytes
> SEVERE: Overflow
> java.lang.Throwable
>         at org.apache.jk.common.MsgAjp.cpBytes(MsgAjp.java:172)
>         at org.apache.jk.common.MsgAjp.appendByteChunk(MsgAjp.java:146)
>         at org.apache.jk.common.MsgAjp.appendBytes(MsgAjp.java:132)
>         at
> org.apache.jk.server.JkCoyoteHandler.appendHead(JkCoyoteHandler.java:407)
>         at
> org.apache.jk.server.JkCoyoteHandler.action(JkCoyoteHandler.java:425)
>         at org.apache.coyote.Response.action(Response.java:182)
>         at org.apache.coyote.Response.sendHeaders(Response.java:374)
>         at
> org.apache.catalina.connector.OutputBuffer.doFlush(OutputBuffer.java:317)
>         at
> org.apache.catalina.connector.OutputBuffer.close(OutputBuffer.java:278)
>         at
> org.apache.catalina.connector.Response.finishResponse(Response.java:473)
>         at
>
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151)
>         at
> org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:307)
>         at
> org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:385)
>         at
org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:748)
>         at
>
org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:678)
>         at
> org.apache.jk.common.SocketConnection.runIt(ChannelSocket.java:871)
>         at
>
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.jav
a:684)
>         at java.lang.Thread.run(Thread.java:595)
>
> I'd appreciate any help you can offer,
> Thank you,
> Collin McClendon
>
> --
> Collin McClendon
> Sr. Microsoft Systems Engineer
> Digicon, Inc.
> collin.mcclendon@digiconasp.com
>
>
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>
>



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