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

Example 56 with RpcException

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

the class XmlRpcProxyFactoryBean method afterPropertiesSet.

/**
 * {@inheritDoc}
 */
@Override
@SuppressWarnings("unchecked")
public void afterPropertiesSet() {
    super.afterPropertiesSet();
    // create proxy
    proxyObject = ProxyFactory.getProxy(getServiceInterface(), this);
    // create XmlRpcHttpClient
    try {
        xmlRpcClient = new XmlRpcClient();
        XmlRpcClientConfigImpl xmlRpcClientConfig = new XmlRpcClientConfigImpl();
        xmlRpcClientConfig.setServerURL(new URL(getServiceUrl()));
        xmlRpcClient.setConfig(xmlRpcClientConfig);
    } catch (MalformedURLException mue) {
        throw new RpcException(mue);
    }
}

Example 57 with RpcException

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

the class ValidationFilterTest method testItWhileThrowoutRpcException.

@Test
public void testItWhileThrowoutRpcException() throws Exception {
    Assertions.assertThrows(RpcException.class, () -> {
        URL url = URL.valueOf("test://test:11/test?validation=true");
        given(validation.getValidator(url)).willThrow(new RpcException("rpc exception"));
        given(invoker.invoke(invocation)).willReturn(new AppResponse("success"));
        given(invoker.getUrl()).willReturn(url);
        given(invocation.getMethodName()).willReturn("echo1");
        given(invocation.getParameterTypes()).willReturn(new Class<?>[] { String.class });
        given(invocation.getArguments()).willReturn(new Object[] { "arg1" });
        validationFilter.setValidation(validation);
        validationFilter.invoke(invoker, invocation);
    });
}

Example 58 with RpcException

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

the class ActiveLimitFilterTest method testInvokeGreaterActives.

@Test
public void testInvokeGreaterActives() {
    AtomicInteger count = new AtomicInteger(0);
    URL url = URL.valueOf("test://test:11/test?accesslog=true&group=dubbo&version=1.1&actives=1&timeout=1");
    final Invoker<ActiveLimitFilterTest> invoker = new BlockMyInvoker<ActiveLimitFilterTest>(url, 100);
    final Invocation invocation = new MockInvocation();
    final CountDownLatch latch = new CountDownLatch(1);
    for (int i = 0; i < 100; i++) {
        Thread thread = new Thread(new Runnable() {

            public void run() {
                try {
                    latch.await();
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
                for (int i = 0; i < 100; i++) {
                    try {
                        activeLimitFilter.invoke(invoker, invocation);
                    } catch (RpcException expected) {
                        count.incrementAndGet();
                    }
                }
            }
        });
        thread.start();
    }
    latch.countDown();
    try {
        Thread.sleep(1000);
    } catch (InterruptedException e) {
        e.printStackTrace();
    }
    assertNotSame(0, count.intValue());
}

Example 59 with RpcException

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

the class ActiveLimitFilterTest method testInvokeNotTimeOut.

@Test
public void testInvokeNotTimeOut() throws Exception {
    int totalThread = 100;
    int maxActives = 10;
    long timeout = 1000;
    long blockTime = 0;
    AtomicInteger count = new AtomicInteger(0);
    final CountDownLatch latch = new CountDownLatch(1);
    final CountDownLatch latchBlocking = new CountDownLatch(totalThread);
    URL url = URL.valueOf("test://test:11/test?accesslog=true&group=dubbo&version=1.1&actives=" + maxActives + "&timeout=" + timeout);
    final Invoker<ActiveLimitFilterTest> invoker = new BlockMyInvoker<ActiveLimitFilterTest>(url, blockTime);
    final Invocation invocation = new MockInvocation();
    for (int i = 0; i < totalThread; i++) {
        Thread thread = new Thread(new Runnable() {

            public void run() {
                try {
                    try {
                        latch.await();
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                    try {
                        Result asyncResult = activeLimitFilter.invoke(invoker, invocation);
                        Result result = asyncResult.get();
                        activeLimitFilter.onResponse(result, invoker, invocation);
                    } catch (RpcException expected) {
                        count.incrementAndGet();
                        activeLimitFilter.onError(expected, invoker, invocation);
                    } catch (Exception e) {
                        fail();
                    }
                } finally {
                    latchBlocking.countDown();
                }
            }
        });
        thread.start();
    }
    latch.countDown();
    try {
        latchBlocking.await();
    } catch (InterruptedException e) {
        e.printStackTrace();
    }
    assertEquals(0, count.intValue());
}

Example 60 with RpcException

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

the class ExceptionFilter method onResponse.

@Override
public void onResponse(Result appResponse, Invoker<?> invoker, Invocation invocation) {
    if (appResponse.hasException() && GenericService.class != invoker.getInterface()) {
        try {
            Throwable exception = appResponse.getException();
            // directly throw if it's checked exception
            if (!(exception instanceof RuntimeException) && (exception instanceof Exception)) {
                return;
            }
            // directly throw if the exception appears in the signature
            try {
                Method method = invoker.getInterface().getMethod(invocation.getMethodName(), invocation.getParameterTypes());
                Class<?>[] exceptionClasses = method.getExceptionTypes();
                for (Class<?> exceptionClass : exceptionClasses) {
                    if (exception.getClass().equals(exceptionClass)) {
                        return;
                    }
                }
            } catch (NoSuchMethodException e) {
                return;
            }
            // for the exception not found in method's signature, print ERROR message in server's log.
            logger.error("Got unchecked and undeclared exception which called by " + RpcContext.getContext().getRemoteHost() + ". service: " + invoker.getInterface().getName() + ", method: " + invocation.getMethodName() + ", exception: " + exception.getClass().getName() + ": " + exception.getMessage(), exception);
            // directly throw if exception class and interface class are in the same jar file.
            String serviceFile = ReflectUtils.getCodeBase(invoker.getInterface());
            String exceptionFile = ReflectUtils.getCodeBase(exception.getClass());
            if (serviceFile == null || exceptionFile == null || serviceFile.equals(exceptionFile)) {
                return;
            }
            // directly throw if it's JDK exception
            String className = exception.getClass().getName();
            if (className.startsWith("java.") || className.startsWith("javax.")) {
                return;
            }
            // directly throw if it's dubbo exception
            if (exception instanceof RpcException) {
                return;
            }
            // otherwise, wrap with RuntimeException and throw back to the client
            appResponse.setException(new RuntimeException(StringUtils.toString(exception)));
        } catch (Throwable e) {
            logger.warn("Fail to ExceptionFilter when called by " + RpcContext.getContext().getRemoteHost() + ". service: " + invoker.getInterface().getName() + ", method: " + invocation.getMethodName() + ", exception: " + e.getClass().getName() + ": " + e.getMessage(), e);
        }
    }
}