Examples of org.eclipse.jetty.server.handler.ErrorHandler

Package org.eclipse.jetty.server.handler

Examples of org.eclipse.jetty.server.handler.ErrorHandler

org.eclipse.jetty.server.handler.ErrorHandler
Handler for Error pages An ErrorHandler is registered with {@link ContextHandler#setErrorHandler(ErrorHandler)} or{@link org.eclipse.jetty.server.Server#addBean(Object)}. It is called by the HttpResponse.sendError method to write a error page via {@link #handle(String,Request,HttpServletRequest,HttpServletResponse)}or via {@link #badMessageError(int,String,HttpFields)} for bad requests for which a dispatch cannot be done.

        Server server = new Server();
        ServerConnector connector = new ServerConnector(server);
        connector.setPort(0);
        server.setConnectors(new Connector[] { connector });
        
        ErrorHandler errorHandler = new ErrorHandler();
        server.addBean(errorHandler);


        // First the behavior as defined in etc/jetty.xml
        // id="Handlers"
        HandlerCollection handlers = new HandlerCollection();

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        if (code!=SC_NO_CONTENT &&
            code!=SC_NOT_MODIFIED &&
            code!=SC_PARTIAL_CONTENT &&
            code>=SC_OK)
        {
            ErrorHandler error_handler = ErrorHandler.getErrorHandler(_channel.getServer(),request.getContext()==null?null:request.getContext().getContextHandler());
            if (error_handler!=null)
            {
                request.setAttribute(RequestDispatcher.ERROR_STATUS_CODE,new Integer(code));
                request.setAttribute(RequestDispatcher.ERROR_MESSAGE, message);
                request.setAttribute(RequestDispatcher.ERROR_REQUEST_URI, request.getRequestURI());
                request.setAttribute(RequestDispatcher.ERROR_SERVLET_NAME,request.getServletName());
                error_handler.handle(null,_channel.getRequest(),_channel.getRequest(),this );
            }
            else
            {
                setHeader(HttpHeader.CACHE_CONTROL, "must-revalidate,no-cache,no-store");
                setContentType(MimeTypes.Type.TEXT_HTML_8859_1.toString());

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            code!=SC_PARTIAL_CONTENT &&
            code>=SC_OK)
        {
            Request request = _connection.getRequest();


            ErrorHandler error_handler = null;
            ContextHandler.Context context = request.getContext();
            if (context!=null)
                error_handler=context.getContextHandler().getErrorHandler();
            if (error_handler==null)
                error_handler = _connection.getConnector().getServer().getBean(ErrorHandler.class);
            if (error_handler!=null)
            {
                request.setAttribute(Dispatcher.ERROR_STATUS_CODE,new Integer(code));
                request.setAttribute(Dispatcher.ERROR_MESSAGE, message);
                request.setAttribute(Dispatcher.ERROR_REQUEST_URI, request.getRequestURI());
                request.setAttribute(Dispatcher.ERROR_SERVLET_NAME,request.getServletName());
                error_handler.handle(null,_connection.getRequest(),_connection.getRequest(),this );
            }
            else
            {
                setHeader(HttpHeaders.CACHE_CONTROL, "must-revalidate,no-cache,no-store");
                setContentType(MimeTypes.TEXT_HTML_8859_1);

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  }


  private synchronized void internalDeploy( Topology topology, File warFile ) {
    String name = topology.getName();
    String warPath = warFile.getAbsolutePath();
    errorHandler = new ErrorHandler();
    errorHandler.setShowStacks(false);
    WebAppContext context = new WebAppContext();
    context.setDefaultsDescriptor( null );
    if (!name.equals("_default")) {
      context.setContextPath( "/" + config.getGatewayPath() + "/" + name );

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    protected Server buildServer(LifecycleEnvironment lifecycle,
                                 ThreadPool threadPool) {
        final Server server = new Server(threadPool);
        server.addLifeCycleListener(buildSetUIDListener());
        lifecycle.attach(server);
        final ErrorHandler errorHandler = new ErrorHandler();
        errorHandler.setServer(server);
        errorHandler.setShowStacks(false);
        server.addBean(errorHandler);
        server.setStopAtShutdown(true);
        server.setStopTimeout(shutdownGracePeriod.toMilliseconds());
        return server;
    }

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      return;
    }


    ServletContextHandler context = new ServletContextHandler(ServletContextHandler.NO_SESSIONS);


    ErrorHandler errorHandler = new ErrorHandler();
    errorHandler.setShowStacks(true);
    errorHandler.setShowMessageInTitle(true);
    context.setErrorHandler(errorHandler);
    context.setContextPath("/");
    embeddedJetty.setHandler(context);
    ServletHolder h = new ServletHolder(new ServletContainer(new DrillRestServer(manager)));
//    h.setInitParameter(ServerProperties.PROVIDER_PACKAGES, "org.apache.drill.exec.server");

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                            _request.setAttribute(RequestDispatcher.ERROR_REQUEST_URI,_request.getRequestURI());


                            _response.setStatusWithReason(500,reason);


                            
                            ErrorHandler eh = ErrorHandler.getErrorHandler(getServer(),_state.getContextHandler());                                
                            if (eh instanceof ErrorHandler.ErrorPageMapper)
                            {
                                String error_page=((ErrorHandler.ErrorPageMapper)eh).getErrorPage((HttpServletRequest)_state.getAsyncContextEvent().getSuppliedRequest());
                                if (error_page!=null)
                                    _state.getAsyncContextEvent().setDispatchPath(error_page);

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            if (_state.handling()==Action.REQUEST_DISPATCH)
            {
                ByteBuffer content=null;
                HttpFields fields=new HttpFields();


                ErrorHandler handler=getServer().getBean(ErrorHandler.class);
                if (handler!=null)
                    content=handler.badMessageError(status,reason,fields);


                sendResponse(new ResponseInfo(HttpVersion.HTTP_1_1,fields,0,status,reason,false),content ,true);
            }
        }
        catch (IOException e)

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        if (code!=SC_NO_CONTENT &&
            code!=SC_NOT_MODIFIED &&
            code!=SC_PARTIAL_CONTENT &&
            code>=SC_OK)
        {
            ErrorHandler error_handler = ErrorHandler.getErrorHandler(_channel.getServer(),request.getContext()==null?null:request.getContext().getContextHandler());
            if (error_handler!=null)
            {
                request.setAttribute(RequestDispatcher.ERROR_STATUS_CODE,new Integer(code));
                request.setAttribute(RequestDispatcher.ERROR_MESSAGE, message);
                request.setAttribute(RequestDispatcher.ERROR_REQUEST_URI, request.getRequestURI());
                request.setAttribute(RequestDispatcher.ERROR_SERVLET_NAME,request.getServletName());
                error_handler.handle(null,_channel.getRequest(),_channel.getRequest(),this );
            }
            else
            {
                setHeader(HttpHeader.CACHE_CONTROL, "must-revalidate,no-cache,no-store");
                setContentType(MimeTypes.Type.TEXT_HTML_8859_1.toString());

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        ServletContextHandler root = new ServletContextHandler(ServletContextHandler.SESSIONS);
        root.setContextPath("/");
        server.setHandler(root);
        server.setSendServerVersion(false);
        final ErrorHandler errorHandler = new ErrorHandler()
        {
            @Override
            protected void writeErrorPageBody(HttpServletRequest request, Writer writer, int code, String message, boolean showStacks)
                    throws IOException
            {

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