The error that occurs with Stored Procedures and Functions are SQL 0443, SQL 1131 and SQL 0440. A SQL0443 error indicates a running routine has encountered an issue and has failed. This error generally occurs for a specific routine and is the result of some code issue within the routine.
The SQL1131 error occurs when the thread or process running the routine fails. It occurs if the thread or process failed during cleanup or if the routine is crashed while running. If the thread or process fails during cleanup the message would appear in the db2diag.log. This message would not affect the database processing; retrying the routine may be successful. If the SQL1131 is not being reported by an application, the thread or process failure is occurring after the routine exits. Some routines run successfully but damage the thread or process. In this case the SQL1131 is only logged in the db2diag.log and destroying the process or thread. A new process or thread would be used next time when the routine is called. In this case SQL1131 would not be checked until the log is checked. You will get this message if the process that runs for DB2could not be started. In this case the message logged or returned in db2diag.log would include SQL 1042 and investigation is required. This message denotes the permission issue or the result of a configuration. This message does not affect the database but the routine called, cannot run and the subsequent call to the routine would fail.
If you get an error SQL0440, indicating that the routine does not exist. Generally this error occurs when the routine exist but it is being called incorrectly. Sometimes the routines get overloaded, so you can create using the same name and schema. If DB2 cannot match the number and the type of variable used in the call to the routine name it would return this error, even if the routine exists.
The routine errors are marked as severe in db2diag.log. Because the error would be logged at all diag levels and do not reflect the impact of the error it makes on database processing. This routine error mentioned in this blog has no impact on the database. If you are facing the issues related to db2 files, then it can be resolved by using DB2 File repair Tool. This tool can recover and access the corrupt or inaccessible data of db2 files without losing any data.
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