This throws the following exception: How can I catch it entirely or at least filter out the "A resource with the same name already exist."? Using $_.Exception.GetType().FullName yields System.Net.WebException and $_.Exception.Message gives The remote server returned an error: (400) Bad Request.

I've tried both the examples in Oracle's Java Tutorials. They both compile fine, but at run time, both come up with this error: Exception in thread "main" java.lang.NoClassDefFoundError:

2015年10月22日 · TargetInvocationException masks the real exception by telling you that it crashed during "a method invocation", usually through something.Invoke. What you have to do is look at the InnerException property of the exception object (the TargetInvocationException object), this will give you the actual exception that was thrown, with a more useful ...

2018年9月6日 · What are IO Exceptions (java.io.IOException) and what causes them? What methods/tools can be used to determine the cause so that you stop the exception from causing premature termination? What doe...

2013年2月20日 · My exception-handling strategy is: To catch all unhandled exceptions by hooking to the Application.ThreadException event, then decide: For a UI application: to pop it to the user with an apology message (WinForms) For a Service or a Console application: log it to a file (service or console) Then I always enclose every piece of code that is run externally in …

In C#, you do not have to derive a new class from Exception. You may simply "throw new Exception (message);" for example, and handle it generically in the block that will catch the exception. I'm still developing my first Java app :-) but from the looks of things in the docs, Java is pretty much the same with respect to exceptions.

2011年5月16日 · 60 The exception is thrown if InvocationTargetException - if the underlying method throws an exception. So if the method, that has been invoked with reflection API, throws an exception (runtime exception for example), the reflection API will wrap the exception into an InvocationTargetException.

Exception groups and except* are about throwing and catching multiple exceptions that are being propagated at the same time. This question and accepted answer is about a single exception being thrown, you just don't know which one and want to handle several possibilities with the same code-snippet.

You could try breaking when the exception is thrown. Go to Debug > Exceptions... and use the Find... option to locate System.Runtime.InteropServices.COMException.

I hate to point out the obvious, but System.IO.FileNotFoundException means the program did not find the file you specified. So what you need to do is check what file your code is looking for in production. To see what file your program is looking for in production (look at the FileName property of the exception), try these techniques: write to a debug log, use Visual Studio Attach …