*/
public boolean executeExactExceptionMapper(HttpRequest request, HttpResponse response, Throwable exception)
{
ExceptionMapper mapper = providerFactory.getExceptionMapper(exception.getClass());
if (mapper == null) return false;
writeFailure(request, response, mapper.toResponse(exception));
return true;
}
/**
* Execute an ExceptionMapper if one exists for the given exception. Recurse to base class if not found