Oracle Database Errors or Warnings from Error ORA-02791 to ORA-02800

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ORA-02791: Unable to open file for use with asynchronous I/O
Cause: The package could not open file for some reason.
Action: Check the file name.
ORA-02792: Unable to fstat() a file being used for asynchronous I/O.
Cause: The fstat(2) call on a file being used for asynchronous I/O failed.
Action: Check the file name.
ORA-02793: Close of asynchronous I/O failed.
Cause: The client was unable to close a file being used for asynchronous I/O.
Action: Contact ORACLE support – this should not happen.

ORA-02794: Client unable to get key for shared memory
Cause: The client was unable to get a key so that it obtain shared memory for use with shared memory.
Action: Contact ORACLE support – this is an internal error.
ORA-02795: Request list is empty
Cause: The client was signalled by a server that it was done with a request but the “done” list was empty.
Action: Internal error – contact ORACLE support.
ORA-02796: Done request is not in correct state
Cause: A request is not in the right state.
Action: Internal error – contact ORACLE support.

ORA-02797: No requests available
Cause: No free request descriptors are available.
Action: Wait until some requests are filled and then retry the request, or shutdown the servers and initialize the package with a higher number of requests.
ORA-02798: Invalid number of requests
Cause: The number of operations sent to either sfard() or sfawrite() is less than zero.
Action: This is a user programming error.
ORA-02799: Unable to arm signal handler
Cause: The arming of a signal handler for the “done” signal failed.
Action: Internal error – contact ORACLE support.
ORA-02800: Requests timed out
Cause: Some of the requests for asynchronous input or output were not serviced in the required amount of time.
Action: If the load on the system is high, it is possible that the timeout limit is too low. Reset it with sfainit(). If the server processes are dying due to unexpected signals, this is an internal error, and ORACLE support should be contacted.

Above are list of Oracle Database Errors or Warnings from Error ORA-02791 to ORA-02800 received while performing certain operation against Oracle Database or related products.

What are Oracle Database Error Messages?

Oracle Error Messages may be returned while using products which are part of Oracle Database.  Each Oracle Database Error or Warning Message mentioned above contains the Warning or Error Message Statement, a short explanation of the probable causes of the Error message, and a recommended action.

Hope this was helpful.

Thanks,
SQLServerF1 Team
Information about Oracle Database Error Messages or Warning Messages on Windows and Linux Operating Systems.

 

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