ORA-12157: TNS:internal network communication error

ORA-12157
ORA-12157: TNS:internal network communication error
Cause: Internal error during network communication.
Action: Not normally visible to the user. For further details, turn on tracing and
reexecute the operation. If error persists, contact Worldwide Customer Support.
More details : Viste http://www.high-oracle.com/ora-12157/
More details : Viste http://www.high-oracle.com/ora-12157/
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