Oracle® Database 11g / 12c / 18c error codes ORA-00239: timeout waiting for control file enqueue: held by [string] for more than string seconds

ORA-00239: timeout waiting for control file enqueue: held by [string] for more than string seconds

Oracle Error Code: ORA-00239

Cause: The specified process waited the maximum allowed time for the control file enqueue.

Action: Restart the blocking instance indicated in the incident trace file or reboot the blocking node.