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

Example 36 with RpcException

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

the class MockClusterInvoker method invoke.

public Result invoke(Invocation invocation) throws RpcException {
    Result result = null;
    String value = directory.getUrl().getMethodParameter(invocation.getMethodName(), Constants.MOCK_KEY, Boolean.FALSE.toString()).trim();
    if (value.length() == 0 || value.equalsIgnoreCase("false")) {
        // no mock
        result = this.invoker.invoke(invocation);
    } else if (value.startsWith("force")) {
        if (logger.isWarnEnabled()) {
            logger.info("force-mock: " + invocation.getMethodName() + " force-mock enabled , url : " + directory.getUrl());
        }
        // force:direct mock
        result = doMockInvoke(invocation, null);
    } else {
        // fail-mock
        try {
            result = this.invoker.invoke(invocation);
        } catch (RpcException e) {
            if (e.isBiz()) {
                throw e;
            } else {
                if (logger.isWarnEnabled()) {
                    logger.info("fail-mock: " + invocation.getMethodName() + " fail-mock enabled , url : " + directory.getUrl(), e);
                }
                result = doMockInvoke(invocation, e);
            }
        }
    }
    return result;
}

Example 37 with RpcException

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

the class AbstractClusterInvokerTest method testTimeoutExceptionCode.

@Test()
public void testTimeoutExceptionCode() {
    List<Invoker<DemoService>> invokers = new ArrayList<Invoker<DemoService>>();
    invokers.add(new Invoker<DemoService>() {

        public Class<DemoService> getInterface() {
            return DemoService.class;
        }

        public URL getUrl() {
            return URL.valueOf("dubbo://" + NetUtils.getLocalHost() + ":20880/" + DemoService.class.getName());
        }

        public boolean isAvailable() {
            return false;
        }

        public Result invoke(Invocation invocation) throws RpcException {
            throw new RpcException(RpcException.TIMEOUT_EXCEPTION, "test timeout");
        }

        public void destroy() {
        }
    });
    Directory<DemoService> directory = new StaticDirectory<DemoService>(invokers);
    FailoverClusterInvoker<DemoService> failoverClusterInvoker = new FailoverClusterInvoker<DemoService>(directory);
    try {
        failoverClusterInvoker.invoke(new RpcInvocation("sayHello", new Class<?>[0], new Object[0]));
        Assert.fail();
    } catch (RpcException e) {
        Assert.assertEquals(RpcException.TIMEOUT_EXCEPTION, e.getCode());
    }
    ForkingClusterInvoker<DemoService> forkingClusterInvoker = new ForkingClusterInvoker<DemoService>(directory);
    try {
        forkingClusterInvoker.invoke(new RpcInvocation("sayHello", new Class<?>[0], new Object[0]));
        Assert.fail();
    } catch (RpcException e) {
        Assert.assertEquals(RpcException.TIMEOUT_EXCEPTION, e.getCode());
    }
    FailfastClusterInvoker<DemoService> failfastClusterInvoker = new FailfastClusterInvoker<DemoService>(directory);
    try {
        failfastClusterInvoker.invoke(new RpcInvocation("sayHello", new Class<?>[0], new Object[0]));
        Assert.fail();
    } catch (RpcException e) {
        Assert.assertEquals(RpcException.TIMEOUT_EXCEPTION, e.getCode());
    }
}

Example 38 with RpcException

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

the class AbstractClusterInvokerTest method setUp.

@SuppressWarnings({ "unchecked" })
@Before
public void setUp() throws Exception {
    invocation.setMethodName("sayHello");
    invoker1 = EasyMock.createMock(Invoker.class);
    invoker2 = EasyMock.createMock(Invoker.class);
    invoker3 = EasyMock.createMock(Invoker.class);
    invoker4 = EasyMock.createMock(Invoker.class);
    invoker5 = EasyMock.createMock(Invoker.class);
    mockedInvoker1 = EasyMock.createMock(Invoker.class);
    URL turl = URL.valueOf("test://test:11/test");
    EasyMock.expect(invoker1.isAvailable()).andReturn(false).anyTimes();
    EasyMock.expect(invoker1.getInterface()).andReturn(IHelloService.class).anyTimes();
    EasyMock.expect(invoker1.getUrl()).andReturn(turl.addParameter("name", "invoker1")).anyTimes();
    EasyMock.expect(invoker2.isAvailable()).andReturn(true).anyTimes();
    EasyMock.expect(invoker2.getInterface()).andReturn(IHelloService.class).anyTimes();
    EasyMock.expect(invoker2.getUrl()).andReturn(turl.addParameter("name", "invoker2")).anyTimes();
    EasyMock.expect(invoker3.isAvailable()).andReturn(false).anyTimes();
    EasyMock.expect(invoker3.getInterface()).andReturn(IHelloService.class).anyTimes();
    EasyMock.expect(invoker3.getUrl()).andReturn(turl.addParameter("name", "invoker3")).anyTimes();
    EasyMock.expect(invoker4.isAvailable()).andReturn(true).anyTimes();
    EasyMock.expect(invoker4.getInterface()).andReturn(IHelloService.class).anyTimes();
    EasyMock.expect(invoker4.getUrl()).andReturn(turl.addParameter("name", "invoker4")).anyTimes();
    EasyMock.expect(invoker5.isAvailable()).andReturn(false).anyTimes();
    EasyMock.expect(invoker5.getInterface()).andReturn(IHelloService.class).anyTimes();
    EasyMock.expect(invoker5.getUrl()).andReturn(turl.addParameter("name", "invoker5")).anyTimes();
    EasyMock.expect(mockedInvoker1.isAvailable()).andReturn(false).anyTimes();
    EasyMock.expect(mockedInvoker1.getInterface()).andReturn(IHelloService.class).anyTimes();
    EasyMock.expect(mockedInvoker1.getUrl()).andReturn(turl.setProtocol("mock")).anyTimes();
    EasyMock.replay(invoker1, invoker2, invoker3, invoker4, invoker5, mockedInvoker1);
    invokers.add(invoker1);
    dic = new StaticDirectory<IHelloService>(url, invokers, null);
    cluster = new AbstractClusterInvoker(dic) {

        @Override
        protected Result doInvoke(Invocation invocation, List invokers, LoadBalance loadbalance) throws RpcException {
            return null;
        }
    };
    cluster_nocheck = new AbstractClusterInvoker(dic, url.addParameterIfAbsent(Constants.CLUSTER_AVAILABLE_CHECK_KEY, Boolean.FALSE.toString())) {

        @Override
        protected Result doInvoke(Invocation invocation, List invokers, LoadBalance loadbalance) throws RpcException {
            return null;
        }
    };
}

Example 39 with RpcException

use of com.alibaba.dubbo.rpc.RpcException in project dubbo-faker by moyada.

the class MethodHandleProxy method getProxy.

public MethodProxy getProxy(MethodInvokeDO invokeInfo) {
    // , int poolSize) {
    MethodProxy proxy;
    log.info("init method proxy info.");
    // 检测是否已存在
    Integer id = invokeInfo.getId();
    SoftReference<MethodProxy> ref = proxyMap.get(id);
    if (null != ref) {
        proxy = ref.get();
        if (null != proxy) {
            // && proxy.getService().length == poolSize) {
            return proxy;
        }
    }
    // 获取参数类型
    Class<?>[] paramTypes;
    String[] argsType = invokeInfo.getParamType().split(",");
    int length = argsType.length;
    if (0 == length) {
        paramTypes = new Class[0];
    } else {
        paramTypes = new Class[length];
        for (int index = 0; index < length; index++) {
            try {
                paramTypes[index] = ReflectUtil.getClassType(argsType[index]);
            } catch (ClassNotFoundException e) {
                throw new InitializeInvokerException("获取参数类型失败: " + argsType[index]);
            }
        }
    }
    // 获取方法具柄
    MethodHandle methodHandle = handle.fetchHandleInfo(invokeInfo.getClassName(), invokeInfo.getMethodName(), invokeInfo.getReturnType(), paramTypes);
    // 获取接口
    Class classType;
    try {
        classType = ReflectUtil.getClassType(invokeInfo.getClassName());
    } catch (ClassNotFoundException e) {
        throw new InitializeInvokerException("获取结果失败: " + invokeInfo.getClassName());
    }
    // 获取接口实例
    Object serviceAssembly;
    // Object[] serviceAssembly = new Object[poolSize];
    try {
        serviceAssembly = beanHolder.getBean(classType);
    // for (int index = 0; index < poolSize; index++) {
    // serviceAssembly[index] = beanHelper.getBean(classType);
    // }
    } catch (BeansException e) {
        throw new RpcException("获取接口实例失败: " + invokeInfo.getClassName() + ".", e);
    }
    // for (Object service : serviceAssembly) {
    try {
        methodHandle.invoke(serviceAssembly, null);
    } catch (Throwable throwable) {
    }
    // }
    proxy = new MethodProxy();
    proxy.setParamTypes(paramTypes);
    proxy.setMethodHandle(methodHandle);
    proxy.setService(serviceAssembly);
    // 缓存调用代理
    ref = new SoftReference<>(proxy);
    proxyMap.put(id, ref);
    return proxy;
}

Example 40 with RpcException

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

the class MergeableClusterInvoker method invoke.

@SuppressWarnings("rawtypes")
public Result invoke(final Invocation invocation) throws RpcException {
    List<Invoker<T>> invokers = directory.list(invocation);
    String merger = getUrl().getMethodParameter(invocation.getMethodName(), Constants.MERGER_KEY);
    if (ConfigUtils.isEmpty(merger)) {
        // If a method doesn't have a merger, only invoke one Group
        for (final Invoker<T> invoker : invokers) {
            if (invoker.isAvailable()) {
                return invoker.invoke(invocation);
            }
        }
        return invokers.iterator().next().invoke(invocation);
    }
    Class<?> returnType;
    try {
        returnType = getInterface().getMethod(invocation.getMethodName(), invocation.getParameterTypes()).getReturnType();
    } catch (NoSuchMethodException e) {
        returnType = null;
    }
    Map<String, Future<Result>> results = new HashMap<String, Future<Result>>();
    for (final Invoker<T> invoker : invokers) {
        Future<Result> future = executor.submit(new Callable<Result>() {

            public Result call() throws Exception {
                return invoker.invoke(new RpcInvocation(invocation, invoker));
            }
        });
        results.put(invoker.getUrl().getServiceKey(), future);
    }
    Object result = null;
    List<Result> resultList = new ArrayList<Result>(results.size());
    int timeout = getUrl().getMethodParameter(invocation.getMethodName(), Constants.TIMEOUT_KEY, Constants.DEFAULT_TIMEOUT);
    for (Map.Entry<String, Future<Result>> entry : results.entrySet()) {
        Future<Result> future = entry.getValue();
        try {
            Result r = future.get(timeout, TimeUnit.MILLISECONDS);
            if (r.hasException()) {
                log.error(new StringBuilder(32).append("Invoke ").append(getGroupDescFromServiceKey(entry.getKey())).append(" failed: ").append(r.getException().getMessage()).toString(), r.getException());
            } else {
                resultList.add(r);
            }
        } catch (Exception e) {
            throw new RpcException(new StringBuilder(32).append("Failed to invoke service ").append(entry.getKey()).append(": ").append(e.getMessage()).toString(), e);
        }
    }
    if (resultList.isEmpty()) {
        return new RpcResult((Object) null);
    } else if (resultList.size() == 1) {
        return resultList.iterator().next();
    }
    if (returnType == void.class) {
        return new RpcResult((Object) null);
    }
    if (merger.startsWith(".")) {
        merger = merger.substring(1);
        Method method;
        try {
            method = returnType.getMethod(merger, returnType);
        } catch (NoSuchMethodException e) {
            throw new RpcException(new StringBuilder(32).append("Can not merge result because missing method [ ").append(merger).append(" ] in class [ ").append(returnType.getClass().getName()).append(" ]").toString());
        }
        if (!Modifier.isPublic(method.getModifiers())) {
            method.setAccessible(true);
        }
        result = resultList.remove(0).getValue();
        try {
            if (method.getReturnType() != void.class && method.getReturnType().isAssignableFrom(result.getClass())) {
                for (Result r : resultList) {
                    result = method.invoke(result, r.getValue());
                }
            } else {
                for (Result r : resultList) {
                    method.invoke(result, r.getValue());
                }
            }
        } catch (Exception e) {
            throw new RpcException(new StringBuilder(32).append("Can not merge result: ").append(e.getMessage()).toString(), e);
        }
    } else {
        Merger resultMerger;
        if (ConfigUtils.isDefault(merger)) {
            resultMerger = MergerFactory.getMerger(returnType);
        } else {
            resultMerger = ExtensionLoader.getExtensionLoader(Merger.class).getExtension(merger);
        }
        if (resultMerger != null) {
            List<Object> rets = new ArrayList<Object>(resultList.size());
            for (Result r : resultList) {
                rets.add(r.getValue());
            }
            result = resultMerger.merge(rets.toArray((Object[]) Array.newInstance(returnType, 0)));
        } else {
            throw new RpcException("There is no merger to merge result.");
        }
    }
    return new RpcResult(result);
}