Globally log exceptions from ASP.NET [ScriptService] services

Question

I'm using the [System.Web.Script.Services.ScriptService] tag to use web services callable from client side javascript. What I need is a way of globally logging any unhandled exceptions in those methods. On the client side, I get the error callback and can proceed from there, but I need a server-side catch to log the exception.

The guy at this url: http://ayende.com/Blog/archive/2008/01/06/ASP.Net-Ajax-Error-Handling-and-WTF.aspx

suggests that this can't be done.

Is that accurate? Do I seriously have to go to every single webmethod in the entire system and try/catch the method as a whole.

Answer 1

In ASP.Net it is possible to catch all run handled exceptions using a global error handler although the blog post suggest this would not work but you could experiment with this approach trying to rethrow the error in some way?

Another idea would be to look at the open source elmah (Error Logging Modules and Handlers) for ASP.Net that might help or someone in that community may have an idea.

Answer 2

I know this doesn't answer the question per-say, but I went on my own quest a while back to find this out and would up empty handed. Ended up wrapping each web service call in a try/catch, and the catch calls our error logger. Sucks, but it works.