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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 32273] - [warn] (22)Invalid argument: setsockopt: (TCP_NODELAY)
Date Wed, 17 Nov 2004 13:54:56 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=32273


trawick@apache.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |INVALID




------- Additional Comments From trawick@apache.org  2004-11-17 14:54 -------
The message "[warn] (22)Invalid argument: setsockopt: (TCP_NODELAY)" simply
means that a client has dropped the connection before Apache could read the
request.   Sometimes heartbeat requests from content switches can drop the
connection during this timeframe, as they often just care that the 3-way TCP
handshake can complete.

A level of Apache 1.3 after 1.3.19 lowered the severity of the message to debug
and added the client IP address.

It is unclear what, if any, connection there is between the setsockopt failure
and the "file not found" errors.  Both of these are common error log messages. 
It is possible that the connection was dropped *after* the TCP layer buffered
the client's request, and the client's request is for an invalid URL, such that
you see both logs on the same request.  Use the client IP address logged for the
file-not-found error to see where these are coming from, and perhaps why. 
Consider upgrading to current level of Apache 1.3 (and setting LogLevel to
debug) to see if client IP address for both messages is the same.


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