Repair Windows Service Error Handling Tutorial

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Windows Service Error Handling


There are cases where you cannot attach a debugger on the application, because you ship your application to the customer, or because you do not have access to production environment. Why should I write efficient logs and exceptions? - Works on my machine Writing efficient logging and exception handling is not the sexiest part of your application or service. Browse other questions tagged c# multithreading exception-handling windows-services system.timers.timer or ask your own question. Inside your Windows Service app add the following: public MyService() { InitializeComponent(); AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException; } void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e) { var rg = new RaygunClient("YOUR_API_KEY"); rg.Send((Exception)e.ExceptionObject); // NOTE: e.ExceptionObject

Player claims their wizard character knows everything (from books). c# This article has been dead for over six months. By catching specific exceptions you can do specific things about them. We know that those will tear down the application as well.

C# Windows Service Exception Handling

I'm just curious i guess... By throwing a UserNotFoundException, you give him a better level of information; but you do not do it at the expense of hiding the initial problem. You need to put together Knowledge and Context when you handle the exception. Small Font Size on Labels, Instructions and User Guides temporary file not found in sh script Sum other numbers Is the Set designed properly?

Solution 1 Accept Solution Reject Solution Well windows services is not a big deal. Can anybody suggest what I should be doing in terms of error handling? Email Address Search Articles Your First Steps A DevOps Checklist A Manifesto for Agile Software Branch for Release (and nothing else) DevOps Best Practices, Part 1 of 4 – Automate only Appdomain.currentdomain.unhandledexception Windows Service He will ask his manager.

It's quick & easy. Choosing to continue the execution or terminate the program is a less priority concern. synchronizingobject –Francesco Milani Aug 1 '14 at 9:11 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign up using Facebook great post to read So raise a NotAnImageException or a BadFormatException, and that’s all.

For instance, we expect from the manager of a local retail point to listen to an unhappy customer complaint and react accordingly. Windows Service Unhandledexception Companion file .qgs~ Composition of Derangements Different use of tenses in Iberian vs South American (and/or Andean) Spanish more hot questions question feed lang-cs about us tour help blog chat data Learn to resist to that temptation. These two goals can be accomplished by having the service log errors, by providing a way to transmit error information to the user, and by having the service retry the failure

  1. Where will the second Fantastic Beasts film be set?
  2. It is a very useful pattern to enhance problem resolution, in completion to the logs.
  3. Example: you have written a function GetImageSize(string fileName) which computes the size of an image given a file name on the disk.
  4. The Knowledge is what was wrong, as explained in Rule 2.
  5. It is just running by windows instead of an user.
  6. It also hides the original exception which could contain more information (the path to the file).

C# Windows Service Catch Unhandled Exceptions

You have no idea what "state" your application is in. why not try these out Finally, keep in mind that you will have to do this for every top-method of every distinct thread you have, because the exceptions are not propagated outside the scope of a C# Windows Service Exception Handling My advice would be to firstly, know what exceptions you're catching and catch them. Windows Service Global Exception Handler The manager will not react to the problem in the same way.

namespace YourNamespace { static class Program { [STAThread] static void Main() { AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException; Application.ThreadException += new System.Threading.ThreadExceptionEventHandler(Application_ThreadException); Application.SetUnhandledExceptionMode(UnhandledExceptionMode.CatchException); Application.EnableVisualStyles(); Application.SetCompatibleTextRenderingDefault(false); Application.Run(new Form1()); } static void Application_ThreadException(object sender, System.Threading.ThreadExceptionEventArgs e) share|improve this answer answered Jul 1 '10 at 9:02 Darren Lewis 6,40412345 add a comment| up vote 1 down vote Actually, if you have an unexpected exception that is passed all If we start our service with this change in place, services.msc gives us a much more useful message, indicating that the service not only stopped, but failed: Write background thread exception It must not throw exceptions or the service will not start. Windows Service Catch All Unhandled Exceptions

In the event of a background thread exception, the error written to the event log does not contain the exception message. Here is my code: private Timer MyTimer { get; set; } public MyService() { InitializeComponent(); AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException; MyTimer = new Timer(10 * 1000); MyTimer.Elapsed += MyTimer_Elapsed; } protected override void If you write to a log file, if you crash, if you present a message box to the user or wait for an input of any kind, this is the secret have a peek here For this purpose, it is sometimes interesting to translate the Exception if the native will not be meaningful when exposed to the caller.

The ages where crashing meant a obscure message box (“Access memory violation at 0x00054357”) with a useless stack dump are gone. C# Windows Service Logging On what object you were trying to perform this action. Positional Bathroom Etiquette Generate antsy permutations Do glass window in space station/space shuttle/other space craft have practical usage?

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Application Lifecycle> Running a Business Sales / Marketing Collaboration / Beta Testing Work Issues Design and Architecture ASP.NET JavaScript C / C++ / MFC> ATL / WTL / STL Managed C++/CLI thx in advance. Adding logging calls to these two locations is left as an exercise to the reader. Unhandledexceptioneventargs Small Font Size on Labels, Instructions and User Guides Does the key vector approach in RingCT represent linkability among transactions?

In the service when we instantiate and run the function in the dll we wrap the call in a try/catch. If some feature is not vital for your business, it is not worth it that it brings your entire application down. AppDomain.CurrentDomain.UnhandledException is the important one for Services. Why are spare wheels smaller than normal wheels?

Not the answer you're looking for? Compare the following lines of logs in a file: 1. Just saying: you may want to reconsider how much you really need to increase reliability (keeing in mind that 100% reliability is impossible; it can only be approached, at exponential cost).