cx_Oracle throws: ImportError: DLL load failed: This application has failed to start ...

MRAB python at mrabarnett.plus.com
Sun Nov 24 19:17:33 CET 2013


On 24/11/2013 17:12, Ruben van den Berg wrote:
> I'm on Windows XP SP3, Python 2.7.1. On running
>
> import cx_Oracle
>
> I got the error
>
> ImportError: DLL load failed: This application has failed to start because the application configuration is incorrect. Reinstalling the application may fix this problem.
>
> I then ran Dependency Walker on cx_Oracle.pyd. Its first complaint was about msvcr80.dll. However, this file is present in C:\WINDOWS\WinSxS\x86_Microsoft.VC80.CRT_1fc8b3b9a1e18e3b_8.0.50727.91_x-ww_0de56c07. (I believe it's part of the MS Visual Studio C++ 2008 package which I installed.)
>
> I obviously uninstalled and reinstalled the cx_Oracle a couple of times but so far to no avail.
>
> Does anybody have a clue what to try next?
>
> For a screenshot of Dependency Walker, please see: https://dl.dropboxusercontent.com/u/116120595/dep_walker_orac.jpg
>
It looks like it's a path issue.

You say that msvcr80.dll is in 
C:\WINDOWS\WinSxS\x86_Microsoft.VC80.CRT_1fc8b3b9a1e18e3b_8.0.50727.91_x-ww_0de56c07, 
but is that folder listed as part of the search path?

Have a look at the Windows' PATH environment variable.




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