February 21, 2010 | 
Author After deploying couple of pages/web parts/user controls, the site stopped working. I am getting wired error “An unexpected error” on the screen and the event log is clear – no events.
Its very strange to found that SharePoint will hide debugging information and all commerce server developers know that debugging is not easy in commerce server 2009. First my concentration went on WSP package – thinking that there might be some problem with WSP package which is leading some UI problem and SharePoint is not logging any events. But, I have managed to get rid of that error screen completely. The solution is to change a couple of entries in website web.config file. Modify the line <SafeMode MaxControls=“200“ CallStack=“false“… /> to <SafeMode MaxControls=“200“ CallStack=“true“… />
and also we have to set custom errors to ‘Off’ .
<customErrors mode=“Off“/>
That’s it, I stopped getting fancy ASP.NET custom page and able to see full stack trace and also errors in the eventlog. Now my development has got little bit easier!!
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