keepalivetimeout - odd behaviour

"Hajo Locke" <hajo.locke@xxxxxx> · Wed, 13 Jul 2011 16:23:33 +0200

Apache 2.2.14

Hello,

try to linkcheck my domain with http://validator.w3.org/checklink

The linkchecker tells in some cases that my server would answer with 500: 

Error: 500 Server closed connection without sending any data back

All i see in Log is no error but successful request to /robots.txt from 

klink.w3.org.

When changing keepalivetimeout from 1 to 3 the error is gone and every test 

of the linkchecker shows a correct analysis.

When changing back to 1, again only 50% of requests are successful.
Sounds strange to me...
Somebody has an explanation?

Thanks,

Hajo 

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