Oracle Database Errors or Warnings from Error ORA-25404 to ORA-25436


ORA-25404: lost instance
Cause: The primary instance has died.
Action: This is an internally used error message and should not be seen by the user.
ORA-25405: transaction status unknown
Cause: A failure occured while a transaction was attempting to commit. Failover could not automatically determine instance status.
Action: The user must determine the transaction’s status manually.
ORA-25406: could not generate a connect address
Cause: Failover was unable to generate an address for a backup instance.
Action: Contact Oracle customer support.

ORA-25407: connection terminated
Cause: The connection was lost while doing a fetch.
Action: This is an internally used error message and should not be seen by the user.
ORA-25408: can not safely replay call
Cause: The connection was lost while doing this call. It may not be safe to replay it after failover.
Action: Check to see if the results of the call have taken place, and then replay it if desired.
ORA-25409: failover happened during the network operation,cannot continue
Cause: The connection was lost when fetching a LOB column.
Action: Failover happened when fetching LOB data directly or indirectly. Please replay the top level statement.

ORA-25425: connection lost during rollback
Cause: The connection was lost while issuing a rollback and the application failed over.
Action: The connection was lost and failover happened during rollback. If the transaction is not externally coordinated, then Oracle implicitly rolled back, so no action is required. Otherwise examine pending_trans$ to determine if “rollback force” is required.
ORA-25426: remote instance does not support shared dblinks
Cause: A shared dblink is being used to connect to a remote instance that does not support this feature because it is an older version.
Action: Use a normal dblink if you need to connect to this instance.
ORA-25427: cannot downgrade database links after database link data dictionary has been upgraded
Cause: An attempt was made to downgrade after the upgrade of the database link data dictionary.
Action: Drop the database links before attempting the downgrade.
ORA-25436: invalid table alias: string
Cause: An attempt to evaluate was made, which failed because one of the table values specified had an invalid alias.
Action: Check the valid table aliases in the evaluation context, and try again with a valid alias.

Above are list of Oracle Database Errors or Warnings from Error ORA-25404 to ORA-25436 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.

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


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