Firefox使用TestNG套件与Selenium中心挂起（org.openqa.selenium.WebDriverException：连接被拒绝）

时间：2018-04-29 11:54:42

标签： selenium selenium-grid testng-eclipse

我正在开发一个测试套件，它在不同的浏览器上运行测试。首先，我试图让它在Firefox上运行。但我遇到了Selenium hub和TestNG的问题。 Firefox挂起并且不会自行退出。我在TestNG中遇到配置错误。请帮忙。

public class DIPTestConfigureDriver {
    // Declare ThreadLocal Driver (ThreadLocalMap) for ThreadSafe Tests
    protected static ThreadLocal<RemoteWebDriver> driver = new ThreadLocal<RemoteWebDriver>();
    protected String strUrl;
    protected String strExpectedTitle;

    @BeforeMethod
    @Parameters({ "browser", "url", "node", "expectedTitle" })
    public void setupTest(String browser, String url, String node, String expectedResult) throws MalformedURLException {

        // Set test url
        strUrl = url;

        // Set expected page title
        strExpectedTitle = expectedResult;

        // Set DesiredCapabilities
        DesiredCapabilities capabilities = new DesiredCapabilities();

        // Set BrowserName
        capabilities.setCapability("browserName", browser);

        // Set Browser to ThreadLocalMap
        driver.set(new RemoteWebDriver(new URL(node), capabilities));
    }

    public WebDriver getDriver() {
        // Get driver from ThreadLocalMap
        return driver.get();
    }

    @AfterMethod(alwaysRun = true)
    public void tearDown() throws Exception {
        getDriver().quit();
    }

    @AfterClass(alwaysRun = true)
    void terminate() {
        // Remove the ThreadLocalMap element
        driver.remove();
    }
}

我刚刚安装了firefox扩展支持版本。它帮助创建了一个会话。但我收到另一个错误，org.openqa.selenium.WebDriverException：连接被拒绝。是因为我的防火墙阻止了连接吗？

错误：

org.openqa.selenium.WebDriverException: connection refused
Build info: version: '3.11.0', revision: 'e59cfb3', time: '2018-03-11T20:33:15.31Z'
System info: host: '4DELTHUNDIYI', ip: '192.168.56.1', os.name: 'Windows 10', os.arch: 'amd64', os.version: '10.0', java.version: '1.8.0_161'
Driver info: driver.version: unknown
remote stacktrace: 
Command duration or timeout: 61.81 seconds
Build info: version: '2.53.0', revision: '35ae25b', time: '2016-03-15 17:00:58'
System info: host: '4DELTHUNDIYI', ip: '192.168.56.1', os.name: 'Windows 10', os.arch: 'amd64', os.version: '10.0', java.version: '1.8.0_161'
Driver info: org.openqa.selenium.remote.RemoteWebDriver
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
    at org.openqa.selenium.remote.ErrorHandler.createThrowable(ErrorHandler.java:206)
    at org.openqa.selenium.remote.ErrorHandler.throwIfResponseFailed(ErrorHandler.java:158)
    at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:678)
    at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:249)
    at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:131)
    at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:158)
    at com.here.dip.test.DIPTestConfigureDriver.setupTest(DIPTestConfigureDriver.java:41)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:108)
    at org.testng.internal.Invoker.invokeConfigurationMethod(Invoker.java:523)
    at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:224)
    at org.testng.internal.Invoker.invokeMethod(Invoker.java:599)
    at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:869)
    at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1193)
    at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:126)
    at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:109)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at java.lang.Thread.run(Thread.java:748)
Caused by: org.openqa.selenium.WebDriverException: connection refused
Build info: version: '3.11.0', revision: 'e59cfb3', time: '2018-03-11T20:33:15.31Z'
System info: host: '4DELTHUNDIYI', ip: '192.168.56.1', os.name: 'Windows 10', os.arch: 'amd64', os.version: '10.0', java.version: '1.8.0_161'
Driver info: driver.version: unknown
remote stacktrace: 
Build info: version: '2.53.0', revision: '35ae25b', time: '2016-03-15 17:00:58'
System info: host: '4DELTHUNDIYI', ip: '192.168.56.1', os.name: 'Windows 10', os.arch: 'amd64', os.version: '10.0', java.version: '1.8.0_161'
Driver info: driver.version: unknown
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
    at java.lang.reflect.Constructor.newInstance(Unknown Source)
    at org.openqa.selenium.remote.W3CHandshakeResponse.lambda$new$0(W3CHandshakeResponse.java:57)
    at org.openqa.selenium.remote.W3CHandshakeResponse.lambda$getResponseFunction$2(W3CHandshakeResponse.java:104)
    at org.openqa.selenium.remote.ProtocolHandshake.lambda$createSession$0(ProtocolHandshake.java:123)
    at java.util.stream.ReferencePipeline$3$1.accept(Unknown Source)
    at java.util.Spliterators$ArraySpliterator.tryAdvance(Unknown Source)
    at java.util.stream.ReferencePipeline.forEachWithCancel(Unknown Source)
    at java.util.stream.AbstractPipeline.copyIntoWithCancel(Unknown Source)
    at java.util.stream.AbstractPipeline.copyInto(Unknown Source)
    at java.util.stream.AbstractPipeline.wrapAndCopyInto(Unknown Source)
    at java.util.stream.FindOps$FindOp.evaluateSequential(Unknown Source)
    at java.util.stream.AbstractPipeline.evaluate(Unknown Source)
    at java.util.stream.ReferencePipeline.findFirst(Unknown Source)
    at org.openqa.selenium.remote.ProtocolHandshake.createSession(ProtocolHandshake.java:126)
    at org.openqa.selenium.remote.ProtocolHandshake.createSession(ProtocolHandshake.java:73)
    at org.openqa.selenium.remote.server.RemoteSession$Factory.performHandshake(RemoteSession.java:145)
    at org.openqa.selenium.remote.server.ServicedSession$Factory.apply(ServicedSession.java:159)
    at org.openqa.selenium.remote.server.ActiveSessionFactory.lambda$apply$12(ActiveSessionFactory.java:176)
    at java.util.stream.ReferencePipeline$3$1.accept(Unknown Source)
    at java.util.stream.ReferencePipeline$11$1.accept(Unknown Source)
    at java.util.stream.ReferencePipeline$2$1.accept(Unknown Source)
    at java.util.Spliterators$ArraySpliterator.tryAdvance(Unknown Source)
    at java.util.stream.ReferencePipeline.forEachWithCancel(Unknown Source)
    at java.util.stream.AbstractPipeline.copyIntoWithCancel(Unknown Source)
    at java.util.stream.AbstractPipeline.copyInto(Unknown Source)
    at java.util.stream.AbstractPipeline.wrapAndCopyInto(Unknown Source)
    at java.util.stream.FindOps$FindOp.evaluateSequential(Unknown Source)
    at java.util.stream.AbstractPipeline.evaluate(Unknown Source)
    at java.util.stream.ReferencePipeline.findFirst(Unknown Source)
    at org.openqa.selenium.remote.server.ActiveSessionFactory.apply(ActiveSessionFactory.java:179)
    at org.openqa.selenium.remote.server.NewSessionPipeline.lambda$null$2(NewSessionPipeline.java:65)
    at java.util.stream.ReferencePipeline$3$1.accept(Unknown Source)
    at java.util.stream.ReferencePipeline$2$1.accept(Unknown Source)
    at java.util.Collections$2.tryAdvance(Unknown Source)
    at java.util.stream.ReferencePipeline.forEachWithCancel(Unknown Source)
    at java.util.stream.AbstractPipeline.copyIntoWithCancel(Unknown Source)
    at java.util.stream.AbstractPipeline.copyInto(Unknown Source)
    at java.util.stream.AbstractPipeline.wrapAndCopyInto(Unknown Source)
    at java.util.stream.FindOps$FindOp.evaluateSequential(Unknown Source)
    at java.util.stream.AbstractPipeline.evaluate(Unknown Source)
    at java.util.stream.ReferencePipeline.findFirst(Unknown Source)
    at org.openqa.selenium.remote.server.NewSessionPipeline.lambda$createNewSession$3(NewSessionPipeline.java:68)
    at java.util.stream.ReferencePipeline$3$1.accept(Unknown Source)
    at java.util.stream.ReferencePipeline$3$1.accept(Unknown Source)
    at java.util.stream.ReferencePipeline$3$1.accept(Unknown Source)
    at java.util.stream.DistinctOps$1$2.accept(Unknown Source)
    at java.util.stream.ReferencePipeline$2$1.accept(Unknown Source)
    at java.util.stream.ReferencePipeline$3$1.accept(Unknown Source)
    at java.util.stream.ReferencePipeline$2$1.accept(Unknown Source)
    at java.util.stream.Streams$StreamBuilderImpl.tryAdvance(Unknown Source)
    at java.util.stream.Streams$ConcatSpliterator.tryAdvance(Unknown Source)
    at java.util.stream.ReferencePipeline.forEachWithCancel(Unknown Source)
    at java.util.stream.AbstractPipeline.copyIntoWithCancel(Unknown Source)
    at java.util.stream.AbstractPipeline.copyInto(Unknown Source)
    at java.util.stream.AbstractPipeline.wrapAndCopyInto(Unknown Source)
    at java.util.stream.FindOps$FindOp.evaluateSequential(Unknown Source)
    at java.util.stream.AbstractPipeline.evaluate(Unknown Source)
    at java.util.stream.ReferencePipeline.findFirst(Unknown Source)
    at org.openqa.selenium.remote.server.NewSessionPipeline.createNewSession(NewSessionPipeline.java:71)
    at org.openqa.selenium.remote.server.commandhandler.BeginSession.execute(BeginSession.java:65)
    at org.openqa.selenium.remote.server.WebDriverServlet.lambda$handle$1(WebDriverServlet.java:246)
    at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
    at java.util.concurrent.FutureTask.run(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)

2 个答案:

答案 0 :(得分：0)

您的问题与TestNG无关。您的stacktrace表示负责生成Firefox实例的服务器组件未启动。

您在评论中提到您使用的是ESR版本的Firefox，但未提及哪个版本。

在任何一种情况下，您都应首先下载geckodriver（这是firefox的服务器组件），将其位置添加到PATH变量，重新启动节点，然后再次尝试重新启动测试。

如果测试再次失败，您需要查看节点的控制台（启动节点的命令提示符）以找出错误是什么。

答案 1 :(得分：0)

您是否使用geckodriver在FF上运行测试？ 您的URL是否包含集线器使用的端口？ 你使用set system属性了吗？见吼叫。

System.setProperty("webdriver.gecko.driver", "path to driver\\geckodriver.exe");
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