HTTP error 500

[GoogleCodeExporter]

What steps will reproduce the problem?
1. use case-sensitive-search in any way (including clicking the example link at 
the project home)

What is the expected output? What do you see instead?
Expected output is a search query, result is an message stating that an error 
has been encountered when trying to retreive (for instance) 
http://case-sensitive-search.appspot.com/search?q=%22Rose+Bush%22+site%3Afaceboo
k.com&btn=Start&f=%22Rose+Bush%22&s=0. And then a message that the server could 
be offline due to maintenance or improperly configured.

The detailed report states HTTP error 500 (Internal Server Error). An 
unexpected condition has been found while the server tried to execute the 
request.

What version of the product are you using? On what operating system?
Current (r15?) using Google Chrome 21 on Windows 7

Please provide any additional information below.
I'm getting the error message in Dutch, as that is my primary language. The 
exact error message may therefore differ from what you're seeing.

Original issue reported on code.google.com by [email protected] on 15 Aug 2012 at 8:29