How to fix the Oracle error ORA-24075: cannot specify agent with NULL address and non-NULL protocol?

In this post, you’ll learn more about the Oracle ErrorORA-24075: cannot specify agent with NULL address and non-NULL protocol with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-24075: cannot specify agent with NULL address and non-NULL protocol

Reason for the Error ORA-24075: cannot specify agent with NULL address and non-NULL protocol

An ADD_SUBSCRIBER or enqueue was attemoted with an agent that had a NULL address and a non-NULL protocol.

How to fix the Error ORA-24075: cannot specify agent with NULL address and non-NULL protocol ?

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

Either specify a non-NULL address or set the protocol to NULL.