Examples with RpcException org.apache.dubbo.rpc.RpcException used on opensource projects

Example 76 with RpcException

use of org.apache.dubbo.rpc.RpcException in project dubbo by alibaba.

the class MetricsFilter method invoke.

@Override
public Result invoke(Invoker<?> invoker, Invocation invocation) throws RpcException {
    if (exported.compareAndSet(false, true)) {
        this.protocolName = invoker.getUrl().getParameter(METRICS_PROTOCOL) == null ? DEFAULT_PROTOCOL : invoker.getUrl().getParameter(METRICS_PROTOCOL);
        Protocol protocol = ExtensionLoader.getExtensionLoader(Protocol.class).getExtension(protocolName);
        this.port = invoker.getUrl().getParameter(METRICS_PORT) == null ? protocol.getDefaultPort() : Integer.parseInt(invoker.getUrl().getParameter(METRICS_PORT));
        Invoker<MetricsService> metricsInvoker = initMetricsInvoker();
        try {
            protocol.export(metricsInvoker);
        } catch (RuntimeException e) {
            logger.error("Metrics Service need to be configured" + " when multiple processes are running on a host" + e.getMessage());
        }
    }
    RpcContext context = RpcContext.getContext();
    boolean isProvider = context.isProviderSide();
    long start = System.currentTimeMillis();
    try {
        // proceed invocation chain
        Result result = invoker.invoke(invocation);
        long duration = System.currentTimeMillis() - start;
        reportMetrics(invoker, invocation, duration, "success", isProvider);
        return result;
    } catch (RpcException e) {
        long duration = System.currentTimeMillis() - start;
        String result = "error";
        if (e.isTimeout()) {
            result = "timeoutError";
        }
        if (e.isBiz()) {
            result = "bisError";
        }
        if (e.isNetwork()) {
            result = "networkError";
        }
        if (e.isSerialization()) {
            result = "serializationError";
        }
        reportMetrics(invoker, invocation, duration, result, isProvider);
        throw e;
    }
}

Example 77 with RpcException

use of org.apache.dubbo.rpc.RpcException in project dubbo by alibaba.

the class DubboHttpProtocolServer method doStart.

@Override
protected void doStart(URL url) {
    // TODO jetty will by default enable keepAlive so the xml config has no effect now
    httpServer = httpBinder.bind(url, new RestHandler());
    ServletContext servletContext = ServletManager.getInstance().getServletContext(url.getPort());
    if (servletContext == null) {
        servletContext = ServletManager.getInstance().getServletContext(ServletManager.EXTERNAL_SERVER_PORT);
    }
    if (servletContext == null) {
        throw new RpcException("No servlet context found. If you are using server='servlet', " + "make sure that you've configured " + BootstrapListener.class.getName() + " in web.xml");
    }
    servletContext.setAttribute(ResteasyDeployment.class.getName(), deployment);
    try {
        dispatcher.init(new SimpleServletConfig(servletContext));
    } catch (ServletException e) {
        throw new RpcException(e);
    }
}

Example 78 with RpcException

use of org.apache.dubbo.rpc.RpcException in project dubbo by alibaba.

the class RestProtocol method doExport.

@Override
protected <T> Runnable doExport(T impl, Class<T> type, URL url) throws RpcException {
    String addr = getAddr(url);
    Class implClass = ApplicationModel.getProviderModel(url.getServiceKey()).getServiceInstance().getClass();
    RestProtocolServer server = (RestProtocolServer) serverMap.computeIfAbsent(addr, restServer -> {
        RestProtocolServer s = serverFactory.createServer(url.getParameter(SERVER_KEY, DEFAULT_SERVER));
        s.setAddress(url.getAddress());
        s.start(url);
        return s;
    });
    String contextPath = getContextPath(url);
    if ("servlet".equalsIgnoreCase(url.getParameter(SERVER_KEY, DEFAULT_SERVER))) {
        ServletContext servletContext = ServletManager.getInstance().getServletContext(ServletManager.EXTERNAL_SERVER_PORT);
        if (servletContext == null) {
            throw new RpcException("No servlet context found. Since you are using server='servlet', " + "make sure that you've configured " + BootstrapListener.class.getName() + " in web.xml");
        }
        String webappPath = servletContext.getContextPath();
        if (StringUtils.isNotEmpty(webappPath)) {
            webappPath = webappPath.substring(1);
            if (!contextPath.startsWith(webappPath)) {
                throw new RpcException("Since you are using server='servlet', " + "make sure that the 'contextpath' property starts with the path of external webapp");
            }
            contextPath = contextPath.substring(webappPath.length());
            if (contextPath.startsWith("/")) {
                contextPath = contextPath.substring(1);
            }
        }
    }
    final Class resourceDef = GetRestful.getRootResourceClass(implClass) != null ? implClass : type;
    server.deploy(resourceDef, impl, contextPath);
    final RestProtocolServer s = server;
    return () -> {
        // TODO due to dubbo's current architecture,
        // it will be called from registry protocol in the shutdown process and won't appear in logs
        s.undeploy(resourceDef);
    };
}

Example 79 with RpcException

use of org.apache.dubbo.rpc.RpcException in project dubbo by alibaba.

the class ThriftCodec method encodeRequest.

private void encodeRequest(Channel channel, ChannelBuffer buffer, Request request) throws IOException {
    RpcInvocation inv = (RpcInvocation) request.getData();
    int seqId = nextSeqId();
    String serviceName = inv.getAttachment(INTERFACE_KEY);
    if (StringUtils.isEmpty(serviceName)) {
        throw new IllegalArgumentException("Could not find service name in attachment with key " + INTERFACE_KEY);
    }
    TMessage message = new TMessage(inv.getMethodName(), TMessageType.CALL, seqId);
    String methodArgs = ExtensionLoader.getExtensionLoader(ClassNameGenerator.class).getExtension(channel.getUrl().getParameter(ThriftConstants.CLASS_NAME_GENERATOR_KEY, ThriftClassNameGenerator.NAME)).generateArgsClassName(serviceName, inv.getMethodName());
    if (StringUtils.isEmpty(methodArgs)) {
        throw new RpcException(RpcException.SERIALIZATION_EXCEPTION, "Could not encode request, the specified interface may be incorrect.");
    }
    Class<?> clazz = CACHED_CLASS.get(methodArgs);
    if (clazz == null) {
        try {
            clazz = ClassUtils.forNameWithThreadContextClassLoader(methodArgs);
            CACHED_CLASS.putIfAbsent(methodArgs, clazz);
        } catch (ClassNotFoundException e) {
            throw new RpcException(RpcException.SERIALIZATION_EXCEPTION, e.getMessage(), e);
        }
    }
    TBase args;
    try {
        args = (TBase) clazz.newInstance();
    } catch (InstantiationException | IllegalAccessException e) {
        throw new RpcException(RpcException.SERIALIZATION_EXCEPTION, e.getMessage(), e);
    }
    for (int i = 0; i < inv.getArguments().length; i++) {
        Object obj = inv.getArguments()[i];
        if (obj == null) {
            continue;
        }
        TFieldIdEnum field = args.fieldForId(i + 1);
        String setMethodName = ThriftUtils.generateSetMethodName(field.getFieldName());
        Method method;
        try {
            method = clazz.getMethod(setMethodName, inv.getParameterTypes()[i]);
        } catch (NoSuchMethodException e) {
            throw new RpcException(RpcException.SERIALIZATION_EXCEPTION, e.getMessage(), e);
        }
        try {
            method.invoke(args, obj);
        } catch (IllegalAccessException | InvocationTargetException e) {
            throw new RpcException(RpcException.SERIALIZATION_EXCEPTION, e.getMessage(), e);
        }
    }
    RandomAccessByteArrayOutputStream bos = new RandomAccessByteArrayOutputStream(1024);
    TIOStreamTransport transport = new TIOStreamTransport(bos);
    TBinaryProtocol protocol = new TBinaryProtocol(transport);
    int headerLength, messageLength;
    byte[] bytes = new byte[4];
    try {
        // magic
        protocol.writeI16(MAGIC);
        // message length placeholder
        protocol.writeI32(Integer.MAX_VALUE);
        // message header length placeholder
        protocol.writeI16(Short.MAX_VALUE);
        // version
        protocol.writeByte(VERSION);
        // service name
        protocol.writeString(serviceName);
        // path
        protocol.writeString(inv.getAttachment(PATH_KEY));
        // dubbo request id
        protocol.writeI64(request.getId());
        protocol.getTransport().flush();
        // header size
        headerLength = bos.size();
        // message body
        protocol.writeMessageBegin(message);
        args.write(protocol);
        protocol.writeMessageEnd();
        protocol.getTransport().flush();
        int oldIndex = messageLength = bos.size();
        // fill in message length and header length
        try {
            TFramedTransport.encodeFrameSize(messageLength, bytes);
            bos.setWriteIndex(MESSAGE_LENGTH_INDEX);
            protocol.writeI32(messageLength);
            bos.setWriteIndex(MESSAGE_HEADER_LENGTH_INDEX);
            protocol.writeI16((short) (0xffff & headerLength));
        } finally {
            bos.setWriteIndex(oldIndex);
        }
    } catch (TException e) {
        throw new RpcException(RpcException.SERIALIZATION_EXCEPTION, e.getMessage(), e);
    }
    buffer.writeBytes(bytes);
    buffer.writeBytes(bos.toByteArray());
}

Example 80 with RpcException

use of org.apache.dubbo.rpc.RpcException in project dubbo by alibaba.

the class RmiProtocol method createExporter.

private <T> RmiServiceExporter createExporter(T impl, Class<?> type, URL url, boolean isGeneric) {
    final RmiServiceExporter rmiServiceExporter = new RmiServiceExporter();
    rmiServiceExporter.setRegistryPort(url.getPort());
    if (isGeneric) {
        rmiServiceExporter.setServiceName(url.getPath() + "/" + GENERIC_KEY);
    } else {
        rmiServiceExporter.setServiceName(url.getPath());
    }
    rmiServiceExporter.setServiceInterface(type);
    rmiServiceExporter.setService(impl);
    try {
        rmiServiceExporter.afterPropertiesSet();
    } catch (RemoteException e) {
        throw new RpcException(e.getMessage(), e);
    }
    return rmiServiceExporter;
}