文档解释
ORA-02056: 2PC: string: bad two-phase command number string from string
Cause: two-phase commit protocol error.
Action: recovery of transaction attempted. Monitor pending_trans$ table to ensure correct resolution. Contact support.
ORA-02056 is an Oracle database error code that is issued when there is an invalid or incorrect two-phase command being issued. This error occurs when a user attempts to issue a two-phase command that is neither a valid command nor a valid parameter.
Official Explanation:
This error is caused by issuing an invalid or incorrect two-phase command. This error message is displayed when a user attempts to issue a two-phase command that is neither a valid command nor a valid parameter.
Common Cases:
The most common causes of this error message are issuing an incorrect two-phase command, such as an unrecognized command or parameter. It may also indicate a problem with parameter configuration or settings.
Normal Handling Procedures and Steps:
1. Check the command issued to ensure that it is a valid two-phase command.
2. Confirm that the parameter settings are correct and working correctly.
3. Check for any system changes or other events that could have caused the two-phase command to become invalid.
4. If the above steps do not resolve the issue, contact your system or database administrator for help.
