-none- 2007-08-15 - By Ronald Klop
Back
ClientAbortException means the user canceled the download (the 'client aborted'
). There is nothing you can do about that on the server.
Ronald.
On Tue Aug 14 15:57:25 CEST 2007 Tomcat Users List <users@(protected)>
wrote:
>
> Folks;
>
> still messing around with an error like this: In our system, we offer
> customers a service to download files using a servlet. Some weeks ago
> (more or less when I considered switching to tomcat 6.0), the following
> error frequently started to show up in my log files:
>
> ...
> java.net.SocketException: Broken pipe
> at java.net.SocketOutputStream.socketWrite0(Native Method)
> at
> java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92) at
> java.net.SocketOutputStream.write(SocketOutputStream.java:136) at
> org.apache.jk.common.ChannelSocket.send(ChannelSocket.java:537) at
> org.apache.jk.common.JkInputStream.endMessage(JkInputStream.java:127)
> at org.apache.jk.core.MsgContext.action(MsgContext.java:302) at
> org.apache.coyote.Response.action(Response.java:183) at
> org.apache.coyote.Response.finish(Response.java:305) at
> org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:205)
> at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:283)
> at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:773) at
> org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:703)
> at
> org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java
:895)
> at
> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java
:685)
> at java.lang.Thread.run(Thread.java:619) 14.08.2007 15:38:34
> org.apache.jk.common.ChannelSocket processConnection WARNUNG:
> processCallbacks status 2
> ...
>
>
> whereas I see a "ClientAbortException" caught by my applications
> exception handling mechanism. So far, I haven't been able to track this
> down, that's why I am kindly asking you for your skilled advice.
>
> What did I do so far trying to get hold of this:
>
> - Tomcat runs on a machine in the LAN, fronted by an apache2 httpd.
>
> - The error does appear both running tomcat 6.0.13 and 5.5.23.
>
> - I initially was using mod_jk 1.2.29 and switched to mod_proxy and
> Proxy/ProxyReverse setup just to make sure, and the error appears
> no matter whether using mod_jk or mod_proxy.
>
> - Right now, I am using apache2 prefork mpm, played around with
> different mpms just to be sure it's not an error related to apache2
> itself, but this also didn't really change anything.
>
> - apache2 logging doesn't show any messages whenever such a
> "ClientAbortException" is thrown.
>
> - Customers, however, reported that whenever such a situation happened,
> the files downloaded were either 0k sized or corrupted.
>
>
>
> And I'm whole-heartedly clueless by now.... :( Is there anything I
> forgot to double-check? Using the latest JDK, no tcnative, running
> Ubuntu Linux 6.06.1. Applied pretty much every solution attempt I could
> come up with using google, including tweaking the HTTP connector setup
> in server.xml, removing tcnative, using mod_proxy instead of mod_jk -
> no success. Does anyone around here have any more ideas on how to get
> hold of this?
>
> Thanks loads in advance and bye,
> Kristian
>
>
> --
> Kristian Rink * http://zimmer428.net * http://flickr.com/photos/z428/
> jab: kawazu@(protected) * icq: 48874445 * fon: ++49 176 2447 2771
> "One dreaming alone, it will be only a dream; many dreaming together
> is the beginning of a new reality." (Hundertwasser)
>
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