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



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

Answer / guest

Cause: 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.

Action: Ensure that the connection exists and is still valid.

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