Package org.apache.tapestry5.services
Interface RequestExceptionHandler
- All Known Implementing Classes:
DefaultRequestExceptionHandler
@UsesMappedConfiguration(key=java.lang.Class.class,
value=java.lang.Object.class)
public interface RequestExceptionHandler
Service invoked when an uncaught exception occurs. The error handler is responsible for providing a response to the
user to describe the error.
The default implementation accepts the configuration, which maps an exception class to a corresponding helper.
The helper is either an instance of
ExceptionHandlerAssistant
or is a Class for a page that will be redirected
to, to present the exception.-
Method Summary
Modifier and TypeMethodDescriptionvoid
handleRequestException
(Throwable exception) Responsible for handling the error in some way and providing some response to the client.
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Method Details
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handleRequestException
Responsible for handling the error in some way and providing some response to the client. A default implementation may render an error response page. The handler is also responsible for setting the response status and the X-Tapestry-ErrorMessage response header. These are very important in Ajax requests to allow the client-side logic to detect the error and present it to the user.- Parameters:
exception
- uncaught exception to be reported- Throws:
IOException
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