How to fix the Oracle error OCI-21522: attempted to use an invalid connection in OCI (object mode only)?

In this post, you’ll learn more about the Oracle ErrorOCI-21522: attempted to use an invalid connection in OCI (object mode only) with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

OCI-21522: attempted to use an invalid connection in OCI (object mode only)

Reason for the Error OCI-21522: attempted to use an invalid connection in OCI (object mode only)

User attempted to use an invalid connection or a connection that has been terminated in an OCI environment (object mode), or user attempted to dereference a REF obtained from a connection which has been terminated.

How to fix the Error OCI-21522: attempted to use an invalid connection in OCI (object mode only) ?

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

Ensure that the connection exists and is still valid.