How to fix the Oracle error NNF-04003: Entry in inputfile is too long?

In this post, you’ll learn more about the Oracle ErrorNNF-04003: Entry in inputfile is too long with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

NNF-04003: Entry in inputfile is too long

Reason for the Error NNF-04003: Entry in inputfile is too long

Cause: The makedbm program, limits entries in mapfiles to 1017 characters. Therefor, the conversion tool will not process TNS addresses which are longer than 1017 characters.

How to fix the Error NNF-04003: Entry in inputfile is too long ?

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

Action: Shorten the offending entry.