Examples with ZuulException com.netflix.zuul.exception.ZuulException used on opensource projects

Example 11 with ZuulException

use of com.netflix.zuul.exception.ZuulException in project zuul by Netflix.

the class OriginResponseReceiver method writeInternal.

private void writeInternal(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) throws Exception {
    if (!ctx.channel().isActive()) {
        ReferenceCountUtil.release(msg);
        return;
    }
    if (msg instanceof HttpRequestMessage) {
        promise.addListener((future) -> {
            if (!future.isSuccess()) {
                Throwable cause = ctx.channel().attr(SSL_HANDSHAKE_UNSUCCESS_FROM_ORIGIN_THROWABLE).get();
                if (cause != null) {
                    // Set the specific SSL handshake error if the handlers have already caught them
                    ctx.channel().attr(SSL_HANDSHAKE_UNSUCCESS_FROM_ORIGIN_THROWABLE).set(null);
                    fireWriteError("request headers", cause, ctx);
                    LOG.debug("SSLException is overridden by SSLHandshakeException caught in handler level. Original SSL exception message: ", future.cause());
                } else {
                    fireWriteError("request headers", future.cause(), ctx);
                }
            }
        });
        HttpRequestMessage zuulReq = (HttpRequestMessage) msg;
        preWriteHook(ctx, zuulReq);
        super.write(ctx, buildOriginHttpRequest(zuulReq), promise);
    } else if (msg instanceof HttpContent) {
        promise.addListener((future) -> {
            if (!future.isSuccess()) {
                fireWriteError("request content chunk", future.cause(), ctx);
            }
        });
        super.write(ctx, msg, promise);
    } else {
        // should never happen
        ReferenceCountUtil.release(msg);
        throw new ZuulException("Received invalid message from client", true);
    }
}

Example 12 with ZuulException

use of com.netflix.zuul.exception.ZuulException in project zuul by Netflix.

the class ProxyEndpoint method handleError.

private void handleError(final Throwable cause) {
    final ZuulException ze = (cause instanceof ZuulException) ? (ZuulException) cause : requestAttemptFactory.mapNettyToOutboundException(cause, context);
    LOG.debug("Proxy endpoint failed.", cause);
    if (!startedSendingResponseToClient) {
        startedSendingResponseToClient = true;
        zuulResponse = new HttpResponseMessageImpl(context, zuulRequest, ze.getStatusCode());
        // TODO - why close the connection? maybe don't always want this to happen ...
        zuulResponse.getHeaders().add("Connection", "close");
        zuulResponse.finishBufferedBodyIfIncomplete();
        invokeNext(zuulResponse);
    } else {
        channelCtx.fireExceptionCaught(ze);
    }
}

Example 13 with ZuulException

use of com.netflix.zuul.exception.ZuulException in project zuul by Netflix.

the class ZuulServlet method service.

@Override
public void service(javax.servlet.ServletRequest servletRequest, javax.servlet.ServletResponse servletResponse) throws ServletException, IOException {
    try {
        init((HttpServletRequest) servletRequest, (HttpServletResponse) servletResponse);
        // Marks this request as having passed through the "Zuul engine", as opposed to servlets
        // explicitly bound in web.xml, for which requests will not have the same data attached
        RequestContext context = RequestContext.getCurrentContext();
        context.setZuulEngineRan();
        try {
            preRoute();
        } catch (ZuulException e) {
            error(e);
            postRoute();
            return;
        }
        try {
            route();
        } catch (ZuulException e) {
            error(e);
            postRoute();
            return;
        }
        try {
            postRoute();
        } catch (ZuulException e) {
            error(e);
            return;
        }
    } catch (Throwable e) {
        error(new ZuulException(e, 500, "UNHANDLED_EXCEPTION_" + e.getClass().getName()));
    } finally {
        RequestContext.getCurrentContext().unset();
    }
}

Example 14 with ZuulException

use of com.netflix.zuul.exception.ZuulException in project paascloud-master by paascloud.

the class AuthHeaderFilter method doSomething.

private void doSomething(RequestContext requestContext) throws ZuulException {
    HttpServletRequest request = requestContext.getRequest();
    String requestURI = request.getRequestURI();
    if (OPTIONS.equalsIgnoreCase(request.getMethod()) || !requestURI.contains(AUTH_PATH) || !requestURI.contains(LOGOUT_URI) || !requestURI.contains(ALIPAY_CALL_URI)) {
        return;
    }
    String authHeader = RequestUtil.getAuthHeader(request);
    if (PublicUtil.isEmpty(authHeader)) {
        throw new ZuulException("刷新页面重试", 403, "check token fail");
    }
    if (authHeader.startsWith(BEARER_TOKEN_TYPE)) {
        requestContext.addZuulRequestHeader(HttpHeaders.AUTHORIZATION, authHeader);
        log.info("authHeader={} ", authHeader);
        // 传递给后续微服务
        requestContext.addZuulRequestHeader(CoreHeaderInterceptor.HEADER_LABEL, authHeader);
    }
}

Example 15 with ZuulException

use of com.netflix.zuul.exception.ZuulException in project spring-cloud-netflix by spring-cloud.

the class RibbonRoutingFilter method handleException.

protected ClientHttpResponse handleException(Map<String, Object> info, HystrixRuntimeException ex) throws ZuulException {
    int statusCode = HttpStatus.INTERNAL_SERVER_ERROR.value();
    Throwable cause = ex;
    String message = ex.getFailureType().toString();
    ClientException clientException = findClientException(ex);
    if (clientException == null) {
        clientException = findClientException(ex.getFallbackException());
    }
    if (clientException != null) {
        if (clientException.getErrorType() == ClientException.ErrorType.SERVER_THROTTLED) {
            statusCode = HttpStatus.SERVICE_UNAVAILABLE.value();
        }
        cause = clientException;
        message = clientException.getErrorType().toString();
    }
    info.put("status", String.valueOf(statusCode));
    throw new ZuulException(cause, "Forwarding error", statusCode, message);
}