ODP.NET: xcopy install may result in mismatched libraries when existing install of different patch level exists
Last updated on JULY 05, 2017
Applies to:Oracle Data Provider for .NET - Version 18.104.22.168 and later
Deploying the Oracle ODP.NET and Instant Client libraries via copy/paste/xcopy to a machine that already has Oracle.DataAccess.dll of a same version but different patch level installed and registered in the Global Assembly Cache (GAC) may result in mismatched libraries being loaded into the process, which can cause unpredictable behavior in an application.
An example of such a behavior is
Unable to find an entry point named 'OpsBulkCopyFreeDataPointers' in DLL 'OraOps11w.dll'
Sign In with your My Oracle Support account
Don't have a My Oracle Support account? Click to get started
Million Knowledge Articles and hundreds of Community platforms