Re: Mono does not include full stacktrace while rethrowing exception

Alan <[email protected]>
Newsgroups gmane.comp.gnome.mono.general
Message-ID <CAGu5pZc1O1cuHCB7eLtipFTAP4U-qyS-EKXnFCJmfES3sOKdZQ@mail.gmail.com>
This happens on .NET too. This gives a good description of what's happening
and why.

http://www.hanselman.com/blog/ReleaseISNOTDebug64bitOptimizationsAndCMethodInliningInReleaseBuildCallStacks.aspx

Alan

On 21 June 2016 at 09:31, Алексей Богомолов <[email protected]> wrote:

> This behavior makes difficult to troubleshoot errors, especially in
> external libraries. Example code:
>
> public class ExceptionReThrow{
>     public void Test(){
>         try
>         {
>             M1 ();
>         }
>         catch (Exception ex)
>         {
>             Console.WriteLine(ex);
>         }
>     }
>
>     public void M1()
>     {
>         M2();
>     }
>
>     private void M2()
>     {
>         try{
>             M3();
>         }catch{
>             throw;
>         }
>     }
>
>     private void M3()
>     {
>         throw new NotImplementedException();
>     }}
>
> For Microsoft .Net output will be:
>
> System.NotImplementedException: The method or operation is not
> implemented. at TestApp.ExceptionReThrow.M3() in
> D:\source\TestApp\TestApp\ExceptionReThrow.cs:line 38 at
> TestApp.ExceptionReThrow.M2() in
> D:\source\TestApp\TestApp\ExceptionReThrow.cs:line 32 at
> TestApp.ExceptionReThrow.M1() in
> D:\source\TestApp\TestApp\ExceptionReThrow.cs:line 24 at
> TestApp.ExceptionReThrow.Test() in
> D:\source\TestApp\TestApp\ExceptionReThrow.cs:line 14
>
> For mono (4.2.3) output will be:
>
> System.NotImplementedException: The method or operation is not
> implemented. at TestApp.ExceptionReThrow.M3 () [0x00001] in
> D:\source\TestApp\TestApp\ExceptionReThrow.cs:38 at
> TestApp.ExceptionReThrow.M2 () [0x00003] in
> D:\source\TestApp\TestApp\ExceptionReThrow.cs:30
>
> As you can see, mono looses stack between first and second catch
> statements. What is the explanation for this feature? Can I disable it?
>
>
>
>
>
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>
>

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