Database Error Messages

Release
toggle
  • 23ai
  • 21c
  • 19c
Updated
Jun 24, 2024

ORA-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.