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PowerShell and catch exception

Posted on 2011-04-26
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Last Modified: 2012-05-11
Hi,

this pretty simple piece of code is causing me a problem.

Why doesn't it catch the UnauthorizedAccessException

 try{ Get-ChildItem <path to folder with no access>}
catch{ "exception" }

I get the following error output:
Get-ChildItem : Access to the path '<path to folder with no access>' is denied
.
At line:1 char:19
+ try{ Get-ChildItem <<<<  <path to folder with no access>}catch{ "exception"
}
    + CategoryInfo          : PermissionDenied: (<path to folder with no access>:String) [Get-ChildItem], UnauthorizedAccessException
    + FullyQualifiedErrorId : DirUnauthorizedAccessError,Microsoft.PowerShell.
   Commands.GetChildItemCommand
 
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Question by:ReneDK
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4 Comments
 
LVL 12

Assisted Solution

by:rlandquist
rlandquist earned 2000 total points
ID: 35469652
For the catch try this code:
Catch [system.exception]
 {
  "caught a system exception"
 }

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Author Comment

by:ReneDK
ID: 35469861
did you test that? because I already tried and it doesn't work for me...
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LVL 12

Accepted Solution

by:
rlandquist earned 2000 total points
ID: 35469868
I found out the issue.  The error is being generated by the Get-ChildItem before it gets to the catch.  To fix this use the following code:
try{ Get-ChildItem <path to folder with no access> -ErrorAction Stop}
catch [System.Exception]
{ "exception" }

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Author Comment

by:ReneDK
ID: 35469879
Aaah... As I tried to hide the error output temporarily I added ErrorAction AND and the same time remove the try/catch. Didn't realize they had to be combined. Thanks a lot.
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