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Unable to bring up Oracle Application Server 10g Release 3 (10.1.3) and notice following error in opmn.log.
13/02/15 16:09:57 [ons-internal] ONS server initiated
13/02/15 16:09:57 [pm-internal] Create pm state directory: /u01/apps/oracle/opmn/logs/states
13/02/15 16:09:57 [pm-internal] PM state file does not exist: /u01/apps/oracle/opmn/logs/states/.opmndat
13/02/15 16:09:57 [pm-internal] OPMN server ready. Request handling enabled.
13/02/15 16:09:57 [ons-listener] 10.400.87.176,6006: BIND (Address already in use)
The error is a generic one and there are several possible causes
There is process / program already using the port values which the OPMN sub component ONS is configured to use.
To find out the port values used by OPMN / ONS view the following file
The opmn.xml in an OracleAS 10g Rel 3 (10.1.3) ORACLE_HOME will contain lines like:
<port local=”6113″ remote=”6203″ request=”6006″/>
Confirm whether the port is already in use or not. Using following cmd
Solution : kill the port or change the port in opmn.xml file like
<port local=”6113″ remote=”6203″ request=”6007″/>
Note: The new port should not be in use.