How to fix the Oracle error CRS-05501: Unable to connect to eONS server on port number?

In this post, you’ll learn more about the Oracle ErrorCRS-05501: Unable to connect to eONS server on port number with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

CRS-05501: Unable to connect to eONS server on port number

Reason for the Error CRS-05501: Unable to connect to eONS server on port number

Cause: The eONS server may not be active or listening on a different port.

How to fix the Error CRS-05501: Unable to connect to eONS server on port number ?

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

Action: Ensure that the eONS resource is ONLINE and listening on the above port.