Oracle DB Error ORA-01616 thread string is open - cannot disable

The following is the cause of this error:

The thread is not closed. The last instance to use the thread died leaving the thread open. A thread cannot be disabled until it is closed. It is still required for crash or instance recovery.

Action you can take to resolve this issue: If the database is open, instance recovery should close the thread soon; wait a few minutes. Otherwise open the database; crash recovery will close the thread.

Tags: Database, Education, Software

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