How to fix the Oracle error TNS-00147: Failed to start a pre-spawned pump.?

In this post, you’ll learn more about the Oracle ErrorTNS-00147: Failed to start a pre-spawned pump. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

TNS-00147: Failed to start a pre-spawned pump.

Reason for the Error TNS-00147: Failed to start a pre-spawned pump.

Cause: The Connection Manager was unable to start a pump during startup.

How to fix the Error TNS-00147: Failed to start a pre-spawned pump. ?

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

Action: Check all configuration parameters and assure that they are correct. Turn on tracing to determine the area that the failure ocurred in.