[WW-1258] Ignoring ClientDisconnectExceptions in the log file

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Won't Fix
• Affects Version/s: WW 2.2.1
• Fix Version/s: WW 2.2.2
• Component/s: Dispatch Filter

Environment

J2SE 1.5 / Linux

• Assignee: René Gielen
• Reporter: Jeroen van Vianen
• Created: 20/Mar/06 18:28
• Updated: 21/Mar/06 15:17
• Resolved: 21/Mar/06 09:14

Description

I get a lot of these stacktraces in my log:

ClientAbortException: java.net.SocketException: Connection reset
at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:366 )
at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:299)
at org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:392)
at org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:381)
at org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java: 76)
at sun.nio.cs.StreamEncoder$CharsetSE.writeBytes(StreamEncoder.java:336)
at sun.nio.cs.StreamEncoder$CharsetSE.implWrite(StreamEncoder.java:395)
at sun.nio.cs.StreamEncoder.write(StreamEncoder.java:136)
at sun.nio.cs.StreamEncoder.write(StreamEncoder.java:146)
at java.io.OutputStreamWriter.write(OutputStreamWriter.java:204)
at java.io.Writer.write(Writer.java:126)
at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:2 91)
at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:55)
at org.apache.velocity.runtime.directive.Foreach.render(Foreach.java:166)
at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:1 14)
at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:230)
at org.apache.velocity.Template.merge(Template.java:256)
at com.opensymphony.webwork.dispatcher.VelocityResult.doExecute(VelocityResult.jav a:120)
at com.opensymphony.webwork.dispatcher.WebWorkResultSupport.execute(WebWorkResultS upport.java:101)
at com.opensymphony.xwork.DefaultActionInvocation.executeResult(DefaultActionInvoc ation.java:300)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.j ava:198)
...

These are harmless but quite annoying. Is it possible to disable them by adding a

} catch (ClientAbortException ex)

{ /* Ignore */ instead of catching them in a general }

catch (Exception ex) {
... log and rethrow the error ...
}

around line 125 in com.opensymphony.webwork.dispatcher.VelocityResult?

The same probably applies to all other results.

See http://forums.opensymphony.com/thread.jspa?threadID=22948&tstart=0 for a discussion.

Thanks,

Jeroen