org.apache.tapestry5.services
Interface RequestExceptionHandler

All Known Implementing Classes:

DefaultRequestExceptionHandler

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.

Method Summary

void	handleRequestException(Throwable exception) Reponsible for handling the error in some way and providing some response to the client.

Method Detail

handleRequestException

void handleRequestException(Throwable exception)
                            throws IOException

Reponsible 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