asp.net mvc - Handle create controller exception in MVC3 -

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I have a controller that takes many arguments and I am using Unity to make an example of that controller . The problem is that in certain circumstances, unity is not able to produce all the things that are necessary for my constructor, so it throws an exception.

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Do not handle, either create a parametrical constructor for those objects, which are instant, or do not make them in the constructor. Handling those exceptions will only be a mask of the problem.

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