Oracle Database Errors or Warnings from Error ORA-02821 to ORA-02830

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ORA-02821: Unable to read the requested number of blocks.
Cause: A server could not read the number of blocks that was requested. The end of the file may have been read.
Action: Check the file on disk.
ORA-02822: Invalid block offset
Cause: A server was unable to seek to the designated block.
Action: Check the UNIX error number.
ORA-02823: Buffer is not aligned.
Cause: The buffer on which an I/O is being done is not on the correct boundary.
Action: Check the calling program.

ORA-02824: Request free list is empty
Cause: The list from which the package allocates request descriptors is empty because all of the descriptors is in use.
Action: Wait until some become free, or initialize the package with a higher number of request descriptors.
ORA-02825: Request on free list was not free
Cause: Internal error.
Action: Contact ORACLE support.
ORA-02826: Illegal block size
Cause: A negative number was given for the I/O block size to be used by the asynchronous I/O package.
Action: This is a programming error – use either a positive number or zero to get the default value.

ORA-02827: Invalid file number
Cause: The file number upon which an operation is to done is either less than zero or greater than the maximum number of files than can be open.
Action: This is a programming error. Since the calling program should not touch this number, this is a programming error.
ORA-02828: Segment free list is empty
Cause: No segments are available to allocated.
Action: Free some segments or shut down the package and re-initialize it with a higher number of segments.
ORA-02829: No segment of the proper size is available
Cause: No segment of the proper size is ready for use by the caller.
Action: Free some segments and try again.
ORA-02830: Segment could not be split – no free segments available
Cause: A segment that is larger than that desired could not be split because no free segment was available.
Action: Free some segments and try again.

Above are list of Oracle Database Errors or Warnings from Error ORA-02821 to ORA-02830 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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