How to fix the Oracle error ORA-22993: specified input amount is greater than actual source amount?

In this post, you’ll learn more about the Oracle ErrorORA-22993: specified input amount is greater than actual source amount with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-22993: specified input amount is greater than actual source amount

Reason for the Error ORA-22993: specified input amount is greater than actual source amount

(1) For LOB write, the amount of data received is different from the amount that was indicated would be sent. (2) For LOB copy and loadfromfile, the end of the source LOB/FILE value was reached before the specified input amount was copied/loaded.

How to fix the Error ORA-22993: specified input amount is greater than actual source amount ?

You can fix this error in Oracle by following the below steps

(1) will happen when using OCI’s piecewise mechanism with polling or with a callback function. Modify the code either to send the amount specified or to pass 0 as the input amount so that any amount of data can be sent. (2) will happen if the specified input amount is too large for the source LOB/FILE given the starting source offset. Either decrease the starting source offset, or decrease the amount to copy/load.