In this post, you’ll learn more about the Oracle ErrorORA-24427: Invalid attributes on user handle with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
ORA-24427: Invalid attributes on user handle
Reason for the Error ORA-24427: Invalid attributes on user handle
Some of the attributes set on the user handle were not allowed in pooled mode.
How to fix the Error ORA-24427: Invalid attributes on user handle ?
You can fix this error in Oracle by following the below steps
Unset the attributes on the user handle and call OCISessionGet or use sessions that are not pooled.