Why is this an issue?
When rethrowing an exception, you should do it by simply calling throw; and not throw exc;, because the stack trace is
reset with the second syntax, making debugging a lot harder.
Noncompliant code example
try
{}
catch(ExceptionType1 exc)
{
Console.WriteLine(exc);
throw exc; // Noncompliant; stacktrace is reset
}
catch (ExceptionType2 exc)
{
throw new Exception("My custom message", exc); // Compliant; stack trace preserved
}
Compliant solution
try
{}
catch(ExceptionType1 exc)
{
Console.WriteLine(exc);
throw;
}
catch (ExceptionType2 exc)
{
throw new Exception("My custom message", exc);
}
