ExceptionHandlerAssistant (Tapestry API - 5.7.2)乐学网一站式学习平台

```
public interface ExceptionHandlerAssistant
```
A contribution to the default RequestExceptionHandler service, this is mapped to an exception class, allowing class specific (based on an inheritance search) handling of an exception.

See Also:

ContextAwareException

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Object`	`handleRequestException(Throwable exception, List<Object> exceptionContext)`	Handles the exception, returning a page class or link to redirect to.

- Method Detail
  - handleRequestException
```
Object handleRequestException(Throwable exception,
                              List<Object> exceptionContext)
                       throws IOException
```
    Handles the exception, returning a page class or link to redirect to.
    
    Parameters:
    
    exception - the exception as thrown
    
    exceptionContext - a page activation context that is derived from the root-most exception
    
    Returns:
    
    either a page class or a Link; a page will be redirected to, with the exception context as the page activation context
    
    Throws:
    
    IOException