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From "Robin Green" <>
Subject Re: JServ problems
Date Mon, 11 Dec 2000 13:23:15 GMT
Clean installations of Debian have known problems with Cocoon (can't 
remember what they are though). Check the cocoon mail archives.

Chris Mayes <> wrote:
>Well, the main problem is that JServ seems to be choking when Cocoon
>tries to contact JServ.  In order to get JServ to respond again (using
>the example Hello and IsItWorking servlets), I need to restart both
>Apache and Jserv.
>So, here's the cycle:
>1. Restart JServ and Apache
>2. http://localhost/servlets/IsItWorking responds appropriately.
>    (Note: Apache throws this error for each access:
>      [error] [client] client denied by server configuration:
>3. Attempt to access
>4. Client cycles; Apache hangs
>5. http://localhost/servlets/IsItWorking is no longer responding.
>6. After a certain length of time, Apache throws a 500 and dumps this
>to the error log:
>[Sun Dec 10 19:24:57 2000] [emerg] JServ: ajp12: can not connect to
>[Sun Dec 10 19:24:57 2000] [emerg] JServ: ajp12: connection fail
>[Sun Dec 10 19:24:57 2000] [error] JServ: an error returned handling
>request via protocol "ajpv12"
>7. Return to step 1.
>Actually, the error in step 6 hasn't popped up on this latest iteration
>Does anyone have any clue what might be wrong?  Are there other error
>logs that I should be checking?  There's nothing unusual in jserv.log
>or syslog.
>Machine statistics (version numbers as reported by dpkg):
>Debian Potato/Woody, kernel-image 2.2.17pre6-1
>cocoon version: 1.5-2.3
>jserv version: 1.1.2-2
>apache version: 1.3.14-2
>Another thing that i noticed is that lsof -i turns up these entries:
>Kaffe      9498 www-data    5u  IPv4 81767904       TCP
>cmayes:8007->cmayes:2822 (CLOSE_WAIT)
>Kaffe      9498 www-data    7u  IPv4 81769804       TCP
>cmayes:8007->cmayes:2825 (CLOSE_WAIT)
>Kaffe      9498 www-data    8u  IPv4 81772966       TCP
>cmayes:8007->cmayes:2828 (CLOSE_WAIT)
>Kaffe      9498 www-data  138u  IPv4 81719159       TCP cmayes:8007
>Kaffe      9498 www-data  140u  IPv4 81765887       TCP
>cmayes:8007->cmayes:2819 (CLOSE_WAIT)
>...which seems to indicate that the Cocoon request is causing the jserv
>listener to block (though I'm just guessing).  Also, port 8007 doesn't
>show up on an nmap scan...  Should it?
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