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04.10.2007 at 03:36AM PDT, ID: 22501401
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8.4

Catching and throwing the same exception without error logging - why?

Asked by thefritterfatboy in C# Programming Language, Visual Basic Programming, .NET

Tags: , , ,

Ok, I've seen this quite a few times and it's quite puzzling to me. Let's say you have a try catch as so;
Function getThatFredData() As FredData
Dim fred as FredData
  Try
     fred = getMyData("fred")
     Return fred
  Catch e as system.Exception
     Throw e
  Finally
     fred = Nothing
  End Try
End Function

Firstly, my understanding of garbage collecting is that fred will be collected when focus switches outside the scope of this function (ie: the function has been executed) - am I right?

Secondly - why catch and throw an exception? What possible use is that? Why do I see it so much? There's no other code, such as an error log - just a catch and rethrow.Start Free Trial
 
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[+][-]04.10.2007 at 03:59AM PDT, ID: 18881383

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[+][-]04.10.2007 at 04:53AM PDT, ID: 18881587

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[+][-]04.10.2007 at 05:17AM PDT, ID: 18881676

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[+][-]04.10.2007 at 05:22AM PDT, ID: 18881700

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[+][-]04.10.2007 at 05:40AM PDT, ID: 18881787

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[+][-]04.10.2007 at 06:33AM PDT, ID: 18882141

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[+][-]04.10.2007 at 06:45AM PDT, ID: 18882253

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About this solution

Zones: C# Programming Language, Visual Basic Programming, .NET
Tags: catch, exceptions, same, throw
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Solution Provided By: jensfiederer
Participating Experts: 2
Solution Grade: A
 
 
[+][-]04.10.2007 at 07:25AM PDT, ID: 18882569

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[+][-]04.10.2007 at 07:47AM PDT, ID: 18882775

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