ORA-07251: spcre: semget error, could not allocate any semaphores.

Cause : Semget failed to even allocate a single semaphore. Either they are all in use or the system is not configured to have any semaphores.

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

Check to see if all semaphores are in use. Check to see if system is configured to have semaphores. Check errno.

update : 23-08-2017
ORA-07251

ORA-07251 - spcre: semget error, could not allocate any semaphores.
ORA-07251 - spcre: semget error, could not allocate any semaphores.

  • ora-09857 : smprset: vm_protect error while protecting pga.
  • ora-00155 : cannot perform work outside of global transaction
  • ora-29400 : data cartridge error string
  • ora-22604 : TDS handle already generated
  • ora-27100 : shared memory realm already exists
  • ora-40290 : model incompatible with data mining function
  • ora-24327 : need explicit attach before authenticating a user
  • ora-29901 : function underlying operator binding does not exist
  • ora-30201 : Unable to load NLS data object
  • ora-00366 : log string of thread string, checksum error in the file header
  • ora-29740 : evicted by member string, group incarnation string
  • ora-02027 : multi-row UPDATE of LONG column is not supported
  • ora-26525 : session connection attempt failed for string (@string)
  • ora-16503 : site ID allocation failure
  • ora-29806 : specified binding does not exist
  • ora-30971 : illegal operation on the Path Table
  • ora-13626 : The specified object string is not valid for task string.
  • ora-25501 : ALTER SYSTEM QUIESCE RESTRICTED command failed
  • ora-19238 : XP0018 - focus not defined
  • ora-01189 : file is from a different RESETLOGS than previous files
  • ora-21602 : operation does not support the specified typecode
  • ora-16516 : the current state is invalid for the attempted operation
  • ora-33427 : (EIFMAKEF16) CAUTION: NTEXT object workspace object will be exported with type TEXT.
  • ora-10562 : Error occurred while applying redo to data block (file# string, block# string)
  • ora-01101 : database being created currently mounted by some other instance
  • ora-06809 : TLI Driver: could not clear the IPX ethernet SAP at init
  • ora-01675 : max_commit_propagation_delay inconsistent with other instances
  • ora-24789 : start not allowed in recursive call
  • ora-12735 : Instant Client Light: unsupported client character set string
  • ora-01168 : physical block size string does not match size string of other members
  • Oracle Database Error Messages



    Oracle Database High Availability Any organization evaluating a database solution for enterprise data must also evaluate the High Availability (HA) capabilities of the database. Data is one of the most critical business assets of an organization. If this data is not available and/or not protected, companies may stand to lose millions of dollars in business downtime as well as negative publicity. Building a highly available data infrastructure is critical to the success of all organizations in today's fast moving economy.

    Well, the reason for above error is that i have taken the above script from a 11g database and running it on 10g database. 11g has bring some changes in password management. Below code is executed on 11g and user created successfully, which is expected result.