Handle invalid requests gracefully

wurzeljena / problembase

Database for mathematical problems, for Wurzel e.V.

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Handle invalid requests gracefully #11

Closed aaronpuchert closed 11 years ago

aaronpuchert commented 11 years ago

Though a user cannot get this far by navigating, he can type invalid URLs requesting non-existent problems etc. We should catch that and answer with a 404 page.