TNS-12539: TNS:buffer over- or under-flow
Cause: Buffer too small for incoming data or too large for outgoing data.
Action: This restriction (which is associated with CONNECT DATA) is not normally visible to the user. For further details, turn on tracing and reexecute the operation; contact Oracle Customer Support.
TNS-12540
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TNS-12539TNS:buffer over- or under-flow