ORA-03137: Malformed TTC Packet From Client Rejected: [kpoal8Check-3] [49152]

(Doc ID 2267564.1)

Last updated on JULY 06, 2017

Applies to:

Oracle Data Provider for .NET - Version 12.1.0.2 and later
Microsoft Windows (32-bit)
Microsoft Windows x64 (64-bit)

Symptoms

After upgrading Oracle client from 11.2.0.4.0 to 12.1.0.2.0, .NET application which is using ODP.NET Managed driver to connect Oracle database is throwing the error as below:

The error occurs when a query is executed against the Oracle database from .NET application. Same query works fine if it is executed from SQL*PLUS environment.

 

Cause

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