MOD_OC4J_0078: Network connection errors, MOD_OC4J_0086: Got an unexpected error while calling recv() to receive a message from oc4j and error code is 232.

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Problem:    MOD_OC4J_0078: Network connection errors, MOD_OC4J_0086: Got an unexpected error while calling recv() to receive a message from oc4j and error code is 232.

OC4J_secuirty on SSO servers hangs and restarted automatically.

Log files:

Apache error files show the below

[Sun Jul 26 17:31:59 2009] [warn] [client 172.30.224.21] [ecid: 1248615119:172.30.16.19:14757:0:48067,0] MOD_OC4J_0078: Network connection errors happened to host: Servername and port: 12501 while receiving the first response from oc4j. This request is recoverable.
[Sun Jul 26 17:31:59 2009] [error] [client 172.30.224.21] [ecid: 1248615119:172.30.16.19:25983:0:862,0] (232)Connection reset by peer: MOD_OC4J_0086: Got an unexpected error while calling recv() to receive a message from oc4j and error code is 232.
[Sun Jul 26 17:31:59 2009] [error] [client 172.30.224.21] [ecid: 1248615119:172.30.16.19:25983:0:862,0] MOD_OC4J_0054: Failed to call network routine to receive an ajp13 message from oc4j.
[Sun Jul 26 17:31:59 2009] [error] [client 172.30.224.21] [ecid: 1248615119:172.30.16.19:25983:0:862,0] MOD_OC4J_0033: Failed to receive an ajp13 message from oc4j.

Solution:

/etc/hosts:

172.30.80.108 loghost
172.30.16.19 servername.domaonname servername
127.0.0.1 localhost loopback

change to:

127.0.0.1 localhost.localdomain localhost è should be listed first
172.30.16.19 servername.domaonname servername
172.30.80.108 loghost

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