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Interceptors are executed again (in reverse order, calling the after clause). Finally, the response returns through the filters configured in the web.xml. If the ActionContextCleanUp filter is present, the FilterDispatcher will not clean up the ThreadLocal ActionContext. If the ActionContextCleanUp filter is not present, the FilterDispatcher will cleanup all ThreadLocals.

Aside from interceptors, actions, and results, we can also specify exception handlers.

• Exception handlers declare how to handle an exception on a global or local basis. Instead of sprinking source code with try .. catch blocks, we can let the framework catch the exception and display the page of our choice. The page can display an appropriate message and details from the exception.

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