ORA-07449: sc: usnewlock failed.

Cause : Oracle failed to acquire a shared arena lock.

Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts

Check result code in sercerrno to determine the cause of failure.

update : 28-07-2017
ORA-07449

ORA-07449 - sc: usnewlock failed.
ORA-07449 - sc: usnewlock failed.

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