How to fix the Oracle error ORA-24400: error occured while creating connections in the pool?

In this post, you’ll learn more about the Oracle ErrorORA-24400: error occured while creating connections in the pool with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-24400: error occured while creating connections in the pool

Reason for the Error ORA-24400: error occured while creating connections in the pool

The database link specified in OCIConnectionPoolCreate might be an invalid one.

How to fix the Error ORA-24400: error occured while creating connections in the pool ?

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

Specify a valid database link.