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

Example 41 with RpcException

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

the class MockClusterInvoker method doMockInvoke.

@SuppressWarnings({ "unchecked", "rawtypes" })
private Result doMockInvoke(Invocation invocation, RpcException e) {
    Result result = null;
    Invoker<T> minvoker;
    List<Invoker<T>> mockInvokers = selectMockInvoker(invocation);
    if (mockInvokers == null || mockInvokers.isEmpty()) {
        minvoker = (Invoker<T>) new MockInvoker(directory.getUrl());
    } else {
        minvoker = mockInvokers.get(0);
    }
    try {
        result = minvoker.invoke(invocation);
    } catch (RpcException me) {
        if (me.isBiz()) {
            result = new RpcResult(me.getCause());
        } else {
            throw new RpcException(me.getCode(), getMockExceptionMessage(e, me), me.getCause());
        }
    } catch (Throwable me) {
        throw new RpcException(getMockExceptionMessage(e, me), me.getCause());
    }
    return result;
}

Example 42 with RpcException

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

the class FailoverClusterInvokerTest method testInvokerDestoryAndReList.

/**
 * When invokers in directory changes after a failed request but just before a retry effort,
 * then we should reselect from the latest invokers before retry.
 */
@Test
public void testInvokerDestoryAndReList() {
    final URL url = URL.valueOf("test://localhost/" + Demo.class.getName() + "?loadbalance=roundrobin&retries=" + retries);
    RpcException exception = new RpcException(RpcException.TIMEOUT_EXCEPTION);
    MockInvoker<Demo> invoker1 = new MockInvoker<Demo>(Demo.class, url);
    invoker1.setException(exception);
    MockInvoker<Demo> invoker2 = new MockInvoker<Demo>(Demo.class, url);
    invoker2.setException(exception);
    final List<Invoker<Demo>> invokers = new ArrayList<Invoker<Demo>>();
    invokers.add(invoker1);
    invokers.add(invoker2);
    Callable<Object> callable = new Callable<Object>() {

        public Object call() throws Exception {
            // Simulation: all invokers are destroyed
            for (Invoker<Demo> invoker : invokers) {
                invoker.destroy();
            }
            invokers.clear();
            MockInvoker<Demo> invoker3 = new MockInvoker<Demo>(Demo.class, url);
            invokers.add(invoker3);
            return null;
        }
    };
    invoker1.setCallable(callable);
    invoker2.setCallable(callable);
    RpcInvocation inv = new RpcInvocation();
    inv.setMethodName("test");
    Directory<Demo> dic = new MockDirectory<Demo>(url, invokers);
    FailoverClusterInvoker<Demo> clusterinvoker = new FailoverClusterInvoker<Demo>(dic);
    clusterinvoker.invoke(inv);
}

Example 43 with RpcException

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

the class FailoverClusterInvokerTest method testInvoke_retryTimes.

@Test()
public void testInvoke_retryTimes() {
    EasyMock.reset(invoker1);
    EasyMock.expect(invoker1.invoke(invocation)).andThrow(new RpcException(RpcException.TIMEOUT_EXCEPTION)).anyTimes();
    EasyMock.expect(invoker1.isAvailable()).andReturn(false).anyTimes();
    EasyMock.expect(invoker1.getUrl()).andReturn(url).anyTimes();
    EasyMock.expect(invoker1.getInterface()).andReturn(FailoverClusterInvokerTest.class).anyTimes();
    EasyMock.replay(invoker1);
    EasyMock.reset(invoker2);
    EasyMock.expect(invoker2.invoke(invocation)).andThrow(new RpcException()).anyTimes();
    EasyMock.expect(invoker2.isAvailable()).andReturn(false).anyTimes();
    EasyMock.expect(invoker2.getUrl()).andReturn(url).anyTimes();
    EasyMock.expect(invoker2.getInterface()).andReturn(FailoverClusterInvokerTest.class).anyTimes();
    EasyMock.replay(invoker2);
    FailoverClusterInvoker<FailoverClusterInvokerTest> invoker = new FailoverClusterInvoker<FailoverClusterInvokerTest>(dic);
    try {
        Result ret = invoker.invoke(invocation);
        assertSame(result, ret);
        fail();
    } catch (RpcException expected) {
        assertTrue(expected.isTimeout());
        assertTrue(expected.getMessage().indexOf((retries + 1) + " times") > 0);
    }
}

Example 44 with RpcException

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

the class FailoverClusterInvokerTest method testInvokeWithRPCException.

@Test()
public void testInvokeWithRPCException() {
    EasyMock.reset(invoker1);
    EasyMock.expect(invoker1.invoke(invocation)).andThrow(new RpcException()).anyTimes();
    EasyMock.expect(invoker1.isAvailable()).andReturn(true).anyTimes();
    EasyMock.expect(invoker1.getUrl()).andReturn(url).anyTimes();
    EasyMock.expect(invoker1.getInterface()).andReturn(FailoverClusterInvokerTest.class).anyTimes();
    EasyMock.replay(invoker1);
    EasyMock.reset(invoker2);
    EasyMock.expect(invoker2.invoke(invocation)).andReturn(result).anyTimes();
    EasyMock.expect(invoker2.isAvailable()).andReturn(true).anyTimes();
    EasyMock.expect(invoker2.getUrl()).andReturn(url).anyTimes();
    EasyMock.expect(invoker2.getInterface()).andReturn(FailoverClusterInvokerTest.class).anyTimes();
    EasyMock.replay(invoker2);
    FailoverClusterInvoker<FailoverClusterInvokerTest> invoker = new FailoverClusterInvoker<FailoverClusterInvokerTest>(dic);
    for (int i = 0; i < 100; i++) {
        Result ret = invoker.invoke(invocation);
        assertSame(result, ret);
    }
}

Example 45 with RpcException

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

the class MockClusterInvokerTest method testMockInvokerFromOverride_Invoke_checkCompatible_return.

/**
 * Test if mock policy works fine: fail-mock
 */
@Test
public void testMockInvokerFromOverride_Invoke_checkCompatible_return() {
    URL url = URL.valueOf("remote://1.2.3.4/" + IHelloService.class.getName()).addParameter("getSomething.mock", "return x").addParameter("invoke_return_error", "true");
    Invoker<IHelloService> cluster = getClusterInvoker(url);
    // Configured with mock
    RpcInvocation invocation = new RpcInvocation();
    invocation.setMethodName("getSomething");
    Result ret = cluster.invoke(invocation);
    Assert.assertEquals("x", ret.getValue());
    // If no mock was configured, return null directly
    invocation = new RpcInvocation();
    invocation.setMethodName("getSomething3");
    try {
        ret = cluster.invoke(invocation);
        Assert.fail("fail invoke");
    } catch (RpcException e) {
    }
}