Monday, May 18, 2009

Cannot create/shadow copy when file already exists

Error : Cannot create/shadow copy '..........' when that file already exists.

Solution : Rebuild solution / Clean solution, then rebuild.

Don't know why this actually happens. But it happens often, after building solution without debugging for times.


  1. Occurred on a production server that was operating fine. Then this with no known changes.

  2. If you meet this problem while deploying, then the solution is restarting the IIS.



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Is an ordinary unNoticed man, with a little knowledge to share and high dreams to achieve. I'd be glad if I can help others, 'coz the only thing for the triumph of evil is for a good man to do nothing. I like English and Chinese language, and know a little about them. Hence, for me, most things can best be expressed in Chinese, some in English, and the rest in others ^^

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You can find a lot of debugging and deploying problems while developing applications in .NET and Visual Basic here. There are also some querying tips in SQL and typical source codes which might be useful shared here.

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