Examples with RpcException com.alibaba.dubbo.rpc.RpcException used on opensource projects

Example 51 with RpcException

use of com.alibaba.dubbo.rpc.RpcException in project dubbo by alibaba.

the class DubboProtocol method initClient.

/**
 * Create new connection
 */
private ExchangeClient initClient(URL url) {
    // client type setting.
    String str = url.getParameter(Constants.CLIENT_KEY, url.getParameter(Constants.SERVER_KEY, Constants.DEFAULT_REMOTING_CLIENT));
    url = url.addParameter(Constants.CODEC_KEY, DubboCodec.NAME);
    // enable heartbeat by default
    url = url.addParameterIfAbsent(Constants.HEARTBEAT_KEY, String.valueOf(Constants.DEFAULT_HEARTBEAT));
    // BIO is not allowed since it has severe performance issue.
    if (str != null && str.length() > 0 && !ExtensionLoader.getExtensionLoader(Transporter.class).hasExtension(str)) {
        throw new RpcException("Unsupported client type: " + str + "," + " supported client type is " + StringUtils.join(ExtensionLoader.getExtensionLoader(Transporter.class).getSupportedExtensions(), " "));
    }
    ExchangeClient client;
    try {
        // connection should be lazy
        if (url.getParameter(Constants.LAZY_CONNECT_KEY, false)) {
            client = new LazyConnectExchangeClient(url, requestHandler);
        } else {
            client = Exchangers.connect(url, requestHandler);
        }
    } catch (RemotingException e) {
        throw new RpcException("Fail to create remoting client for service(" + url + "): " + e.getMessage(), e);
    }
    return client;
}

Example 52 with RpcException

use of com.alibaba.dubbo.rpc.RpcException in project dubbo by alibaba.

the class DubboProtocolTest method testReturnNonSerialized.

@Test
public void testReturnNonSerialized() throws Exception {
    DemoService service = new DemoServiceImpl();
    protocol.export(proxy.getInvoker(service, DemoService.class, URL.valueOf("dubbo://127.0.0.1:9050/" + DemoService.class.getName() + "?codec=exchange")));
    service = proxy.getProxy(protocol.refer(DemoService.class, URL.valueOf("dubbo://127.0.0.1:9050/" + DemoService.class.getName() + "?codec=exchange")));
    try {
        service.returnNonSerialized();
        Assert.fail();
    } catch (RpcException e) {
        Assert.assertTrue(e.getMessage().contains("com.alibaba.dubbo.rpc.protocol.dubbo.support.NonSerialized must implement java.io.Serializable"));
    }
}

Example 53 with RpcException

use of com.alibaba.dubbo.rpc.RpcException in project dubbo by alibaba.

the class HessianProtocolTest method testTimeOut.

@Test
public void testTimeOut() {
    HessianServiceImpl server = new HessianServiceImpl();
    ProxyFactory proxyFactory = ExtensionLoader.getExtensionLoader(ProxyFactory.class).getAdaptiveExtension();
    Protocol protocol = ExtensionLoader.getExtensionLoader(Protocol.class).getAdaptiveExtension();
    URL url = URL.valueOf("hessian://127.0.0.1:5342/" + HessianService.class.getName() + "?version=1.0.0&timeout=10");
    Exporter<HessianService> exporter = protocol.export(proxyFactory.getInvoker(server, HessianService.class, url));
    Invoker<HessianService> invoker = protocol.refer(HessianService.class, url);
    HessianService client = proxyFactory.getProxy(invoker);
    try {
        client.timeOut(6000);
        fail();
    } catch (RpcException expected) {
        Assert.assertEquals(true, expected.isTimeout());
    } finally {
        invoker.destroy();
        exporter.unexport();
    }
}

Example 54 with RpcException

use of com.alibaba.dubbo.rpc.RpcException in project dubbo by alibaba.

the class HttpProtocol method doExport.

protected <T> Runnable doExport(final T impl, Class<T> type, URL url) throws RpcException {
    String addr = getAddr(url);
    HttpServer server = serverMap.get(addr);
    if (server == null) {
        server = httpBinder.bind(url, new InternalHandler());
        serverMap.put(addr, server);
    }
    final HttpInvokerServiceExporter httpServiceExporter = new HttpInvokerServiceExporter();
    httpServiceExporter.setServiceInterface(type);
    httpServiceExporter.setService(impl);
    try {
        httpServiceExporter.afterPropertiesSet();
    } catch (Exception e) {
        throw new RpcException(e.getMessage(), e);
    }
    final String path = url.getAbsolutePath();
    skeletonMap.put(path, httpServiceExporter);
    return new Runnable() {

        public void run() {
            skeletonMap.remove(path);
        }
    };
}

Example 55 with RpcException

use of com.alibaba.dubbo.rpc.RpcException in project dubbo by alibaba.

the class MemcachedProtocol method refer.

public <T> Invoker<T> refer(final Class<T> type, final URL url) throws RpcException {
    try {
        String address = url.getAddress();
        String backup = url.getParameter(Constants.BACKUP_KEY);
        if (backup != null && backup.length() > 0) {
            address += "," + backup;
        }
        MemcachedClientBuilder builder = new XMemcachedClientBuilder(AddrUtil.getAddresses(address));
        final MemcachedClient memcachedClient = builder.build();
        final int expiry = url.getParameter("expiry", 0);
        final String get = url.getParameter("get", "get");
        final String set = url.getParameter("set", Map.class.equals(type) ? "put" : "set");
        final String delete = url.getParameter("delete", Map.class.equals(type) ? "remove" : "delete");
        return new AbstractInvoker<T>(type, url) {

            protected Result doInvoke(Invocation invocation) throws Throwable {
                try {
                    if (get.equals(invocation.getMethodName())) {
                        if (invocation.getArguments().length != 1) {
                            throw new IllegalArgumentException("The memcached get method arguments mismatch, must only one arguments. interface: " + type.getName() + ", method: " + invocation.getMethodName() + ", url: " + url);
                        }
                        return new RpcResult(memcachedClient.get(String.valueOf(invocation.getArguments()[0])));
                    } else if (set.equals(invocation.getMethodName())) {
                        if (invocation.getArguments().length != 2) {
                            throw new IllegalArgumentException("The memcached set method arguments mismatch, must be two arguments. interface: " + type.getName() + ", method: " + invocation.getMethodName() + ", url: " + url);
                        }
                        memcachedClient.set(String.valueOf(invocation.getArguments()[0]), expiry, invocation.getArguments()[1]);
                        return new RpcResult();
                    } else if (delete.equals(invocation.getMethodName())) {
                        if (invocation.getArguments().length != 1) {
                            throw new IllegalArgumentException("The memcached delete method arguments mismatch, must only one arguments. interface: " + type.getName() + ", method: " + invocation.getMethodName() + ", url: " + url);
                        }
                        memcachedClient.delete(String.valueOf(invocation.getArguments()[0]));
                        return new RpcResult();
                    } else {
                        throw new UnsupportedOperationException("Unsupported method " + invocation.getMethodName() + " in memcached service.");
                    }
                } catch (Throwable t) {
                    RpcException re = new RpcException("Failed to invoke memcached service method. interface: " + type.getName() + ", method: " + invocation.getMethodName() + ", url: " + url + ", cause: " + t.getMessage(), t);
                    if (t instanceof TimeoutException || t instanceof SocketTimeoutException) {
                        re.setCode(RpcException.TIMEOUT_EXCEPTION);
                    } else if (t instanceof MemcachedException || t instanceof IOException) {
                        re.setCode(RpcException.NETWORK_EXCEPTION);
                    }
                    throw re;
                }
            }

            public void destroy() {
                super.destroy();
                try {
                    memcachedClient.shutdown();
                } catch (Throwable e) {
                    logger.warn(e.getMessage(), e);
                }
            }
        };
    } catch (Throwable t) {
        throw new RpcException("Failed to refer memcached service. interface: " + type.getName() + ", url: " + url + ", cause: " + t.getMessage(), t);
    }
}