Interface RequestExceptionHandler

All Known Implementing Classes:
DefaultRequestExceptionHandler

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 Type
    Method
    Description
    void
    Responsible for handling the error in some way and providing some response to the client.
  • Method Details

    • 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