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Tuesday, June 28, 2016

ORA-609 : opiodr aborting process unknown ospid

Cause:
The ORA-609 error is thrown when a client connection of any kind failed to complete or aborted the connection
process before the server process was completely spawned.
Beginning with 10gR2, a default value for inbound connect timeout has been set at 60 seconds.
This is also triggered, when a DB session is killed/aborted manually from the OS prompt.
Solution:
Increase the values for INBOUND_CONNECT_TIMEOUT at both listener and server side sqlnet.ora file as a preventive measure.
If the problem  is due to connection timeouts,an increase in the following parameters should eliminate or reduce the occurrence of the ORA-609s.
Sqlnet.ora: SQLNET.INBOUND_CONNECT_TIMEOUT=180
Listener.ora: INBOUND_CONNECT_TIMEOUT_listener_name=120

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