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 : 24-07-2017
ORA-07251

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

  • ora-25507 : resource manager has not been continuously on
  • ora-19649 : offline-range record recid string stamp string not found in file string
  • ora-13605 : The specified task or object string does not exist for the current user.
  • ora-14101 : partition extended table name cannot refer to a synonym
  • ora-06903 : CMX: cannot read transport address of remote application
  • ora-25265 : specified signature for a queue which does not support reciever non-repudiation
  • ora-13435 : GeoRaster metadata dimension inconsistent
  • ora-28366 : invalid database encryption operation
  • ora-23370 : table string and table string are not shape equivalent (string)
  • ora-06261 : NETNTT: nrange() failed
  • ora-30487 : ORDER BY not allowed here
  • ora-19765 : mount id string does not match mount id string in control file
  • ora-39181 : Only partial table data may be exported due to fine grain access control on string
  • ora-39301 : schema "string" does not exist or is in use
  • ora-17508 : I/O request buffer ptr is not alligned
  • ora-08341 : On nCUBE, this command can only be executed from instance 1.
  • ora-02453 : duplicate HASH IS specification
  • ora-02038 : define is not allowed for array type
  • ora-15013 : diskgroup "string" is already mounted
  • ora-12667 : Shared server: outbound transport protocol different from inbound
  • ora-01484 : arrays can only be bound to PL/SQL statements
  • ora-30935 : XML maxoccurs value (string) exceeded
  • ora-36904 : (XSAGDNGL44) In AGGMAP workspace object, RELATION workspace object occurs after a dynamic model. The dynamic model must be the last calculation within the AGGMAP.
  • ora-25427 : cannot downgrade database links after database link data dictionary has been upgraded
  • ora-38429 : invalid datatype for a stored attribute: string
  • ora-32005 : error while parsing size specification [string]
  • ora-02438 : Column check constraint cannot reference other columns
  • ora-01543 : tablespace 'string' already exists
  • ora-16100 : not a valid Logical Standby database
  • ora-09841 : soacon: Name translation failure.
  • 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.