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

Example 6 with RpcException

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

the class DubboProtocol method initClient.

/**
 * Create new connection
 *
 * @param url
 */
private ExchangeClient initClient(URL url) {
    // client type setting.
    String str = url.getParameter(CLIENT_KEY, url.getParameter(SERVER_KEY, DEFAULT_REMOTING_CLIENT));
    url = url.addParameter(CODEC_KEY, DubboCodec.NAME);
    // enable heartbeat by default
    url = url.addParameterIfAbsent(HEARTBEAT_KEY, String.valueOf(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(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 7 with RpcException

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

the class DubboProtocol method createServer.

private ProtocolServer createServer(URL url) {
    url = URLBuilder.from(url).addParameterIfAbsent(CHANNEL_READONLYEVENT_SENT_KEY, Boolean.TRUE.toString()).addParameterIfAbsent(HEARTBEAT_KEY, String.valueOf(DEFAULT_HEARTBEAT)).addParameter(CODEC_KEY, DubboCodec.NAME).build();
    String str = url.getParameter(SERVER_KEY, DEFAULT_REMOTING_SERVER);
    if (str != null && str.length() > 0 && !ExtensionLoader.getExtensionLoader(Transporter.class).hasExtension(str)) {
        throw new RpcException("Unsupported server type: " + str + ", url: " + url);
    }
    ExchangeServer server;
    try {
        server = Exchangers.bind(url, requestHandler);
    } catch (RemotingException e) {
        throw new RpcException("Fail to start server(url: " + url + ") " + e.getMessage(), e);
    }
    str = url.getParameter(CLIENT_KEY);
    if (str != null && str.length() > 0) {
        Set<String> supportedTypes = ExtensionLoader.getExtensionLoader(Transporter.class).getSupportedExtensions();
        if (!supportedTypes.contains(str)) {
            throw new RpcException("Unsupported client type: " + str);
        }
    }
    return new DubboProtocolServer(server);
}

Example 8 with RpcException

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

the class ChannelWrappedInvoker method doInvoke.

@Override
protected Result doInvoke(Invocation invocation) throws Throwable {
    RpcInvocation inv = (RpcInvocation) invocation;
    // use interface's name as service path to export if it's not found on client side
    inv.setAttachment(PATH_KEY, getInterface().getName());
    inv.setAttachment(CALLBACK_SERVICE_KEY, serviceKey);
    try {
        if (RpcUtils.isOneway(getUrl(), inv)) {
            // may have concurrency issue
            currentClient.send(inv, getUrl().getMethodParameter(invocation.getMethodName(), SENT_KEY, false));
            return AsyncRpcResult.newDefaultAsyncResult(invocation);
        } else {
            final String methodName = RpcUtils.getMethodName(invocation);
            final int timeout = (int) RpcUtils.getTimeout(getUrl(), methodName, RpcContext.getContext(), DEFAULT_TIMEOUT);
            CompletableFuture<AppResponse> appResponseFuture = currentClient.request(inv, timeout, null).thenApply(obj -> (AppResponse) obj);
            return new AsyncRpcResult(appResponseFuture, inv);
        }
    } catch (RpcException e) {
        throw e;
    } catch (TimeoutException e) {
        throw new RpcException(RpcException.TIMEOUT_EXCEPTION, e.getMessage(), e);
    } catch (RemotingException e) {
        throw new RpcException(RpcException.NETWORK_EXCEPTION, e.getMessage(), e);
    } catch (Throwable e) {
        // here is non-biz exception, wrap it.
        throw new RpcException(e.getMessage(), e);
    }
}

Example 9 with RpcException

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

the class ConfigTest method test_RpcContext_getUrls.

// DUBBO-147 find all invoker instances which have been tried from RpcContext
@Test
public void test_RpcContext_getUrls() throws Exception {
    ClassPathXmlApplicationContext providerContext = new ClassPathXmlApplicationContext(ConfigTest.class.getPackage().getName().replace('.', '/') + "/demo-provider-long-waiting.xml");
    providerContext.start();
    try {
        ClassPathXmlApplicationContext ctx = new ClassPathXmlApplicationContext(ConfigTest.class.getPackage().getName().replace('.', '/') + "/init-reference-getUrls.xml");
        ctx.start();
        try {
            DemoService demoService = (DemoService) ctx.getBean("demoService");
            try {
                demoService.sayName("Haha");
                fail();
            } catch (RpcException expected) {
                assertThat(expected.getMessage(), containsString("Tried 3 times"));
            }
            assertEquals(3, RpcContext.getContext().getUrls().size());
        } finally {
            ctx.stop();
            ctx.close();
        }
    } finally {
        providerContext.stop();
        providerContext.close();
    }
}

Example 10 with RpcException

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

the class ConfigTest method test_retrySettingFail.

// BUG: DUBBO-846 in version 2.0.9, config retry="false" on provider's method doesn't work
@Test
public void test_retrySettingFail() throws Exception {
    ClassPathXmlApplicationContext providerContext = new ClassPathXmlApplicationContext(ConfigTest.class.getPackage().getName().replace('.', '/') + "/demo-provider-long-waiting.xml");
    providerContext.start();
    try {
        ClassPathXmlApplicationContext ctx = new ClassPathXmlApplicationContext(ConfigTest.class.getPackage().getName().replace('.', '/') + "/init-reference-retry-false.xml");
        ctx.start();
        try {
            DemoService demoService = (DemoService) ctx.getBean("demoService");
            try {
                demoService.sayName("Haha");
                fail();
            } catch (RpcException expected) {
                assertThat(expected.getMessage(), containsString("Tried 1 times"));
            }
            assertEquals(1, RpcContext.getContext().getUrls().size());
        } finally {
            ctx.stop();
            ctx.close();
        }
    } finally {
        providerContext.stop();
        providerContext.close();
    }
}