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AccessViolationException: Attempted To Read Or Write Protected Memory After Applying Windows Bundle Patch To ODP.NET (Doc ID 2239610.1)

Last updated on AUGUST 08, 2018

Applies to:

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

Symptoms

After applying the Windows Bundle Patch, such as patch 25433286: WINDOWS DB BUNDLE PATCH 12.1.0.2.170228,

The ODP.Net application, it fails with:

AccessViolationException:  Attempted to read or write protected memory. This is often an indication that other memory is corrupt.
when the connection is opened.

Changes

 Applied the windows bundle patch

Cause

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