Hi,

i have the following problem with mod_jk from tomcat-connectors (1.2.5 -
1.2.8) including 1.2.9 (from cvs).

Environment:
apache is 2.0.52, forking model, server os is linux 2.6.10-1.760_FC3smp
(fedora core 3), mod_jk 1.2.9 (others tested as well)

After a while i get sockets stuck in CLOSE_WAIT state and netstat shows
1 byte in the receive queue for this socket.

tcpdump shows, that the backend (jetty) half-closes the connection with
FIN. That FIN is acked from the mod_jk machine but the connection is not
closed (no FIN is send).

sample netstat output:
...
tcp     1    0 192.168.100.1:51003      192.168.170.8:32511      CLOSE_WAIT
tcp     1    0 192.168.100.1:53875      192.168.170.8:12522      CLOSE_WAIT
tcp     1    0 192.168.100.1:53619      192.168.170.8:12521      CLOSE_WAIT
...

Are there any known issues? Where do is start debugging this? What information
is missing?

TIA,

Michael






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