FishEye Logs Report org.mortbay.jetty.EofException

Problem

FishEye reports a number of following similar exceptions in the atlassian-fisheye-YYYY-MM-DD.log:

Exception
2013-06-27 05:40:09,195 ERROR [btpool0-6515 ] fisheye TotalityFilter-logExceptionDetails - Exception "null" (org.mortbay.jetty.EofException) while processing "/avatar/<Username>" (Referer:"http://<URL>/")
org.mortbay.jetty.EofException
    at org.mortbay.jetty.HttpGenerator.flush(HttpGenerator.java:791)
    at org.mortbay.jetty.HttpGenerator.complete(HttpGenerator.java:678)
    at org.mortbay.jetty.HttpConnection.commitResponse(HttpConnection.java:653)
    at org.mortbay.jetty.HttpConnection$Output.close(HttpConnection.java:997)
Caused by: java.io.IOException: Connection reset by peer
    at sun.nio.ch.FileDispatcherImpl.write0(Native Method)
    at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:47)
    at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:94)
    at sun.nio.ch.IOUtil.write(IOUtil.java:65)
    at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:450)
    at org.mortbay.io.nio.ChannelEndPoint.flush(ChannelEndPoint.java:170)
    at org.mortbay.io.nio.SelectChannelEndPoint.flush(SelectChannelEndPoint.java:221)
    at org.mortbay.jetty.HttpGenerator.flush(HttpGenerator.java:720)
    ... 57 more

There is no apparent error on screen and no particular action that seems to trigger it.

Cause

These exceptions are caused when a user's browser terminates a connection, for whatever reason. They typically happen if a user shuts a browser tab while it is loading, or navigates away from the current page before the page itself is fully loaded or one of the items on the page (e.g. the avatar image) has finished being sent.

Resolution

These exceptions are totally harmless and can be safely ignored. Other than adding some noise to the FishEye logs, they do not indicate any problems with the application itself.

 

Last modified on Feb 19, 2016

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