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Adobe ColdFusion 8 Web Application Construction Kit, Volume 1: Getting Started by Charlie Arehart, Raymond Camden, Ben Forta

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Using the OnError Method

As we discussed earlier in the chapter, the Application.cfc contains a set of special methods that are executed depending on certain situations. We demonstrated how the onApplicationStart and onApplicationEnd methods are executed automatically based on the life of the ColdFusion application. One more special method is the onError method. As you can probably guess, this method is called whenever an exception occurs. Unlike the <cferror> tag, which is tied to a specific error type or exception, the onError method will fire on any error.

So how can you use this method? The method could do many of the things demonstrated in the listings we’ve already covered. You can mail the error to the administrator, or log the error ...

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