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ORA-03137: Malformed TTC Packet From Client Rejected: [kpoal8Check-3] [49152] (Doc ID 2267564.1)

Last updated on FEBRUARY 08, 2019

Applies to:

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


After upgrading Oracle client from to, .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.



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