ERROR<12289> - Connection - conn=-1 op=-1 msgId=-1 - PR_Accept() failed, error -5990 (I/O operation timed out.) (Doc ID 1380098.1)

Last updated on FEBRUARY 14, 2017

Applies to:

Oracle Directory Server Enterprise Edition - Version 5.2 SP6 and later
Information in this document applies to any platform.
***Checked for relevance on 13-Jun-2013***
In Sun One Directory Server, here in this example DS5.2p6. Customer occur frequently this error in errors logs
ERROR<12289> - Connection - conn=-1 op=-1 msgId=-1 - PR_Accept() failed, error -5990 (I/O operation timed out.)


Symptoms

 

1) First action checking during the ldap activity if you have some tcp_ip sockets which stay in close_wait status, as here on ldap_port 1389:

 

netstat -an | grep 1389
      *.1389               *.*                0      0 49152      0 LISTEN
10.166.68.193.33024 10.166.68.193.1389  49640      0 49640      0 CLOSE_WAIT
10.166.68.193.33025 10.166.68.165.1389  49640      0 49640      0 CLOSE_WAIT
10.166.68.193.33027 10.166.68.165.1389  49640      0 49640      0 CLOSE_WAIT
10.166.68.193.33035 10.166.68.165.1389  49640      0 49640      0 CLOSE_WAIT
10.166.68.165.33037 10.166.68.165.1389  49640      0 49640      0 CLOSE_WAIT
10.166.68.193.39433 10.166.68.165.1389  49640      0 49640      0 ESTABLISHED
10.166.68.193.39434 10.166.68.165.1389  49640      0 49640      0 ESTABLISHED
10.166.68.193.1389  10.166.68.165.49634 49640      0 49640      0 ESTABLISHED
10.166.68.193.39435 10.166.68.165.1389  48619      0 49640      0 ESTABLISHED
10.166.68.193.39437 10.166.68.165.1389  49640      0 49640      0 ESTABLISHED
10.166.68.193.42161 10.166.68.165.1389  49640      0 49640      0 ESTABLISHED
10.166.68.193.1389  10.166.68.165.55441 49640      0 49640      0 ESTABLISHED
10.166.68.193.1389  10.166.68.165.36608 49640      0 49640      0 ESTABLISHED
10.166.68.193.46335   10.166.68.165.1389    49640      0 49640      0 TIME_WAIT
10.166.68.193.1389  10.166.68.165.57337   5120      0 49920      0 TIME_WAIT
      *.1389                            *.*                             0      0 49152      0 LISTE

 

2) Check errors log as here you can see the errors:PR_Accept() failed occur regulary

 

03/Nov/2011:22:47:36 +0000] - ERROR<12289> - Connection  - conn=-1 op=-1 msgId=-1 -  PR_Accept() failed, error -5990 (I/O operation timed out.)
[03/Nov/2011:22:48:08 +0000] - ERROR<12289> - Connection  - conn=-1 op=-1 msgId=-1 -  PR_Accept() failed, error -5990 (I/O operation timed out.)
[03/Nov/2011:22:48:17 +0000] - ERROR<12289> - Connection  - conn=-1 op=-1 msgId=-1 -  PR_Accept() failed, error -5990 (I/O operation timed out.)
[03/Nov/2011:22:48:57 +0000] - ERROR<12289> - Connection  - conn=-1 op=-1 msgId=-1 -  PR_Accept() failed, error -5990 (I/O operation timed out.)
[03/Nov/2011:22:49:37 +0000] - ERROR<12289> - Connection  - conn=-1 op=-1 msgId=-1 -  PR_Accept() failed, error -5990 (I/O operation timed out.)
[03/Nov/2011:22:50:18 +0000] - ERROR<12289> - Connection  - conn=-1 op=-1 msgId=-1 -  PR_Accept() failed, error -5990 (I/O operation timed out.)
[03/Nov/2011:22:50:49 +0000] - ERROR<12289> - Connection  - conn=-1 op=-1 msgId=-1 -  PR_Accept() failed, error -5990 (I/O operation timed out.)
[03/Nov/2011:22:51:30 +0000] - ERROR<12289> - Connection  - conn=-1 op=-1 msgId=-1 -  PR_Accept() failed, error -5990 (I/O operation timed out.)

Cause

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