After Opatch Installation ODP.NET Application Errors With "Object Reference Not Set to an Instance of an Object" (Doc ID 789871.1)

Last updated on JULY 05, 2017

Applies to:

Oracle Data Provider for .NET - Version: 10.2.0.3 and later   [Release: 10.2 and later ]
Microsoft Windows (32-bit)

Symptoms

After applying an Oracle Critical Patch Update (CPU) to a 10.2.0.3.0 or higher client installation, an application using the Oracle Data Provider for .NET (ODP.NET) results in the following OracleException:

Object reference not set to an instance of an object

or

Resource lookup failed - infinite recursion detected. Resource name: Arg_NullReferenceException


Changes

Application of Oracle patch to 10.2.0.3.0 or higher.

Cause

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