AS 10.1.2 OPMN Intermittently Restarts Processes - Logs Show " Process Ping Failed: " , " header RCV failed (Bad file descriptor) " (Doc ID 840257.1)

Last updated on OCTOBER 24, 2016

Applies to:

Oracle Fusion Middleware - Version 10.1.2.0.2 to 10.1.2.3.0 [Release AS10gR2]
Information in this document applies to any platform.
Oracle Application Server 10g Enterprise Edition - Version: 10.1.2.0.2 to 10.1.2.3.0
Checked for relevance on 28-Feb-2012
Checked for relevance on 29-Jul-2012

Symptoms

Oracle Application Server 10g Rel 2 ( 10.1.2 ) or Oracle Identity Management 10g Rel 3 ( 10.1.4 ) is installed on Linux/Unix Platform.

OPMN randomly / intermittently restarts some or all of its managed components e.g. managed components like

The following errors are seen in $ORACLE_HOME/opmn/logs/ipm.log:

09/05/17 14:35:26 [4] [libopmnohs] Process Ping Failed: HTTP_Server~HTTP_Server~HTTP_Server~1
(1996032223:7345) [The connection SSL send timed out]
09/05/17 14:35:26 [3] [libopmnoc4j] Could not send the AJP ping message: Success
09/05/17 14:35:26 [4] [libopmnoc4j] Process Ping Failed: OC4J~home~default_island~1 (1996032218:7406)
09/05/17 14:35:26 [3] [libopmnoc4j] OC4J ping socket error
09/05/17 14:35:26 [2] [libopmnoc4j] AJP13: Error while reading the response packet
09/05/17 14:35:26 [2] [libopmnoc4j] AJP13: Error while reading AJP13 response
09/05/17 14:35:26 [2] [libopmnoc4j] Ping URL for proc: 1996032220 failed while pinging url:/reports/rwservlet
09/05/17 14:35:26 [4] [libopmnoc4j] Process Ping Failed: OC4J~OC4J_BI_Forms~default_island~1 (1996032220:7408)
09/05/17 14:35:26 [4] [libopmnwc] Process Ping Failed: WebCache~WebCache~WebCache~1
(1996032221:7356) [The connection SSL send timed out]


and the following errors are seen in $ORACLE_HOME/opmn/logs/ons.log:

09/05/17 14:35:26 [2] Connection 0,127.0.0.1,6101 header RCV failed (Bad file descriptor) coFlags=812
09/05/17 14:35:26 [4] Passive connection 0,127.0.0.1,6101 missing connect


The above section of ipm.log keeps repeating for more than 50 times in one second, after that OPMN managed components will come up again, with no further details in components log files.

Cause

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