The following is the ORA-24396 error message, you can learn the cause and solution of the Oracle database error.
ORA-24396 invalid attribute set in server handle
Cause: Attribute OCI_ATTR_NONBLOCKING_MODE has been set on the server handle and attached in OCI_POOL mode. Connection pooling does not support non blocking mode.
Solution: Do not set the OCI_ATTR_NONBLOCKING_MODE attribute on the server handle while attaching in OCI_POOL mode.
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