How to fix the Oracle error ORA-07252: spcre: semget error, could not allocate semaphores.?

In this post, you’ll learn more about the Oracle ErrorORA-07252: spcre: semget error, could not allocate semaphores. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-07252: spcre: semget error, could not allocate semaphores.

Reason for the Error ORA-07252: spcre: semget error, could not allocate semaphores.

Semget system call returned an error. Possible resource limit problem.

How to fix the Error ORA-07252: spcre: semget error, could not allocate semaphores. ?

You can fix this error in Oracle by following the below steps

Check errno. Verify that enough semaphores are available in system. If additional errors occur in destroying the semaphore sets then sercose[0] will be non-zero. If this occurs, remove the semaphore sets using ipcrm.