Oracle Error ORA-07264: spwat: semop error, unable to decrement semaphore.

Oracle Error Message

ORA-07264: spwat: semop error, unable to decrement semaphore.

Reason for the Error

Semop system call returned an error. Semaphore set may not exist.

Solution

Check errno. Semaphore ID is returned in sercose[0]. Verify semaphore set exists. A possible cause for this error is that a “shutdown abort” was done while this process was running.

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