Weird App_Code compilation problem

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Hi
Environment:

My .Net 4.0 web site is deployed on 3 servers with same code.
<deployment retail="true" /> is in machine.congig.

<compilation debug="false" optimizeCompilations="true" batch="true" defaultLanguage="c#" numRecompilesBeforeAppRestart="999999" targetFramework="4.0">

is in web.config.

Issue:
It only happens in one of the machines,
It only happens in some rare times and can't be re-procedured.
It always can be fixed by a force compilation.

The web site is up & running, but actually some code is not compiled correctly.
Usually response 500 error when invoking those incorrest pages.
I even try to turn off optimizeCompilations & batch in web.config above, but doesn't help.

It is fixed finally by change debug to true, then change back to false again.

Quite weird, and I want to give up App_Code now, it seems too unstable for me.

Do you ever occur the same problem?

Posted 30-Sep-12 12:50pm

Jerry.Wang

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Kuthuparakkal 30-Sep-12 23:59pm

Try app pool restart, it occurs sometimes when we deploy new version.
http://msdn.microsoft.com/en-us/library/microsoft.web.administration.applicationpool.aspx

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