In this post, you’ll learn more about the Oracle ErrorTNS-12547: TNS:lost contact with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
TNS-12547: TNS:lost contact
Reason for the Error TNS-12547: TNS:lost contact
Cause: Partner has unexpectedly gone away, usually during process startup.
How to fix the Error TNS-12547: TNS:lost contact ?
You can fix this error in Oracle by following the below steps
Action: Investigate partner application for abnormal termination. On an Interchange, this can happen if the machine is overloaded.