appium grid org.openqa.selenium.webdriverexception:转发新会话时出错，找不到

oug3syen  于 2021-07-06  发布在  Java
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appium（版本1.18.3）网格在执行基于chrome的web应用测试时抛出错误。
chrome.java类

  1. package com.example.appium;
  3. import java.net.MalformedURLException;
  4. import java.net.URL;
  5. import java.util.concurrent.TimeUnit;
  6. import io.appium.java_client.AppiumDriver;
  7. import io.appium.java_client.remote.MobileCapabilityType;
  8. import org.openqa.selenium.By;
  9. import org.openqa.selenium.WebDriver;
  10. import org.openqa.selenium.WebElement;
  11. import org.openqa.selenium.remote.CapabilityType;
  12. import org.openqa.selenium.remote.DesiredCapabilities;
  13. import org.openqa.selenium.remote.RemoteWebDriver;
  14. import io.appium.java_client.MobileElement;
  15. import io.appium.java_client.android.AndroidDriver;
  16. import org.testng.annotations.BeforeClass;
  17. import org.testng.annotations.Optional;
  18. import org.testng.annotations.Parameters;
  19. import org.testng.annotations.Test;
  21. public class Chrome {
  22.     WebDriver driver;
  23.     DesiredCapabilities cap = new DesiredCapabilities();
  24.     @BeforeClass
  25.     public void init() throws MalformedURLException {
  26.         cap.setCapability("deviceName", "ZH33L2Z6KL");
  27.         cap.setCapability("platformName", "Android");
  28.         cap.setCapability(CapabilityType.BROWSER_NAME, "Chrome");
  29.         cap.setCapability("chromeDriverPort", "8201");
  30.         cap.setCapability("chromedriverExecutable","C:\\chromedriver\\chromedriver.exe");
  31.         cap.setCapability(CapabilityType.VERSION, "5.1");
  32.     }
  34.     @Test
  35.     public void testApp() {
  36.         try {
  37.             driver = new RemoteWebDriver(new URL("http://127.0.0.1:4444/wd/hub"), cap);
  38.         } catch (MalformedURLException e) {
  39.             e.printStackTrace();
  40.         }
  41.         driver.get("https://www.amazon.com");
  42.     }
  43. }

testng xml文件：

  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <!DOCTYPE suite SYSTEM "http://testng.org/testng-1.0.dtd">
  3. <suite name="Regression" thread-count="2" parallel="tests" preserve-order="true" verbose="2">
  4.     <test name="Real Device1">
  5.         <classes>
  6.             <class name="com.example.appium.Chrome"/>
  7.         </classes>
  8.     </test>
  9. </suite>

使用以下命令调用appium selenium网格：
集线器：

  1. java -jar selenium-server-standalone-3.141.59.jar -role hub

nodeconfig\u设备1.json：

  1. {
  2.   "capabilities": [
  3.     {
  4.       "browserName": "Chrome",
  5.       "version": "6.0",
  6.       "maxInstances": 10,      
  7.       "deviceName": "ZH33L2Z6KL",
  8.       "platformName": "ANDROID",
  9.       "automationName":"UiAutomator2",
  10.       "chromeDriverPort":"8201"
  11.     }
  12.   ],
  13.   "configuration": {
  14.     "cleanUpCycle": 2000,
  15.     "timeout": 300000,
  16.     "proxy": "org.openqa.grid.selenium.proxy.DefaultRemoteProxy",    
  17.     "maxSession": 10,        
  18.     "register": true,
  19.     "registerCycle": 5000,
  20.     "hubPort": 4444,
  21.     "hubHost": "192.168.0.105",
  22.     "hubProtocol":"http"
  23.   }
  24. }

使用以下命令调用node1：

  1. appium --port 6001 --nodeconfig nodeconfig_device1.json

调用chrome apk时引发以下错误：

  1. org.openqa.selenium.WebDriverException: Error forwarding the new session cannot find : Capabilities {browserName: Chrome, chromeDriverPort: 6001, chromedriverExecutable: C:\chromedriver\chromedrive..., deviceName: ZH33L2Z6KL, platformName: android, version: 5.1}
  2. Command duration or timeout: 282 milliseconds
  3.     at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
  4.     at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
  5.     at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
  6.     at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
  7.     at org.openqa.selenium.remote.ErrorHandler.createThrowable(ErrorHandler.java:214)
  8.     at org.openqa.selenium.remote.ErrorHandler.throwIfResponseFailed(ErrorHandler.java:166)
  9.     at org.openqa.selenium.remote.JsonWireProtocolResponse.lambda$errorHandler$0(JsonWireProtocolResponse.java:54)
  10.     at org.openqa.selenium.remote.HandshakeResponse.lambda$getResponseFunction$0(HandshakeResponse.java:30)
  11.     at org.openqa.selenium.remote.ProtocolHandshake.lambda$createSession$0(ProtocolHandshake.java:126)
  12.     at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
  13.     at java.util.Spliterators$ArraySpliterator.tryAdvance(Spliterators.java:958)
  14.     at java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:126)
  15.     at java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:499)
  16.     at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:486)
  17.     at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)
  18.     at java.util.stream.FindOps$FindOp.evaluateSequential(FindOps.java:152)
  19.     at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
  20.     at java.util.stream.ReferencePipeline.findFirst(ReferencePipeline.java:464)
  21.     at org.openqa.selenium.remote.ProtocolHandshake.createSession(ProtocolHandshake.java:128)
  22.     at org.openqa.selenium.remote.ProtocolHandshake.createSession(ProtocolHandshake.java:74)
  23.     at org.openqa.selenium.remote.HttpCommandExecutor.execute(HttpCommandExecutor.java:136)
  24.     at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:552)
  25.     at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:213)
  26.     at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:131)
  27.     at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:144)
  28.     at com.example.appium.Chrome.testApp(Chrome.java:45)
  29.     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  30.     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  31.     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  32.     at java.lang.reflect.Method.invoke(Method.java:498)
  33.     at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:124)
  34.     at org.testng.internal.Invoker.invokeMethod(Invoker.java:583)
  35.     at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:719)
  36.     at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:989)
  37.     at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:125)
  38.     at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:109)
  39.     at org.testng.TestRunner.privateRun(TestRunner.java:648)
  40.     at org.testng.TestRunner.run(TestRunner.java:505)
  41.     at org.testng.SuiteRunner.runTest(SuiteRunner.java:455)
  42.     at org.testng.SuiteRunner.access$000(SuiteRunner.java:40)
  43.     at org.testng.SuiteRunner$SuiteWorker.run(SuiteRunner.java:489)
  44.     at org.testng.internal.thread.ThreadUtil$1.call(ThreadUtil.java:52)
  45.     at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  46.     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  47.     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  48.     at java.lang.Thread.run(Thread.java:748)
  49. Caused by: org.openqa.selenium.WebDriverException: Error forwarding the new session cannot find : Capabilities {browserName: Chrome, chromeDriverPort: 6001, chromedriverExecutable: C:\chromedriver\chromedrive..., deviceName: ZH33L2Z6KL, platformName: android, version: 5.1}
  50. Build info: version: '3.141.59', revision: 'e82be7d358', time: '2018-11-14T08:17:03'
  51. System info: host: 'DESKTOP-E205GQ8', ip: '192.168.0.105', os.name: 'Windows 10', os.arch: 'amd64', os.version: '10.0', java.version: '1.8.0_261'
  52. Driver info: driver.version: unknown
  53.     at org.openqa.grid.web.servlet.handler.RequestHandler.process(RequestHandler.java:118)
  54.     at org.openqa.grid.web.servlet.DriverServlet.process(DriverServlet.java:85)
  55.     at org.openqa.grid.web.servlet.DriverServlet.doPost(DriverServlet.java:69)
  56.     at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
  57.     at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
  58.     at org.seleniumhq.jetty9.servlet.ServletHolder.handle(ServletHolder.java:865)
  59.     at org.seleniumhq.jetty9.servlet.ServletHandler.doHandle(ServletHandler.java:535)
  60.     at org.seleniumhq.jetty9.server.handler.ScopedHandler.handle(ScopedHandler.java:146)
  61.     at org.seleniumhq.jetty9.security.SecurityHandler.handle(SecurityHandler.java:548)
  62.     at org.seleniumhq.jetty9.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
  63.     at org.seleniumhq.jetty9.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257)
  64.     at org.seleniumhq.jetty9.server.session.SessionHandler.doHandle(SessionHandler.java:1595)
  65.     at org.seleniumhq.jetty9.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
  66.     at org.seleniumhq.jetty9.server.handler.ContextHandler.doHandle(ContextHandler.java:1340)
  67.     at org.seleniumhq.jetty9.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)
  68.     at org.seleniumhq.jetty9.servlet.ServletHandler.doScope(ServletHandler.java:473)
  69.     at org.seleniumhq.jetty9.server.session.SessionHandler.doScope(SessionHandler.java:1564)
  70.     at org.seleniumhq.jetty9.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)
  71.     at org.seleniumhq.jetty9.server.handler.ContextHandler.doScope(ContextHandler.java:1242)
  72.     at org.seleniumhq.jetty9.server.handler.ScopedHandler.handle(ScopedHandler.java:144)
  73.     at org.seleniumhq.jetty9.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
  74.     at org.seleniumhq.jetty9.server.Server.handle(Server.java:503)
  75.     at org.seleniumhq.jetty9.server.HttpChannel.handle(HttpChannel.java:364)
  76.     at org.seleniumhq.jetty9.server.HttpConnection.onFillable(HttpConnection.java:260)
  77.     at org.seleniumhq.jetty9.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:305)
  78.     at org.seleniumhq.jetty9.io.FillInterest.fillable(FillInterest.java:103)
  79.     at org.seleniumhq.jetty9.io.ChannelEndPoint$2.run(ChannelEndPoint.java:118)
  80.     at org.seleniumhq.jetty9.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333)
  81.     at org.seleniumhq.jetty9.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310)
  82.     at org.seleniumhq.jetty9.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168)
  83.     at org.seleniumhq.jetty9.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126)
  84.     at org.seleniumhq.jetty9.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)
  85.     at org.seleniumhq.jetty9.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:765)
  86.     at org.seleniumhq.jetty9.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:683)
  87.     at java.lang.Thread.run(Unknown Source)

注：
当调用appiumgui（版本1.18.3）时，该代码工作正常，ip地址设置为127.0.0.1，端口设置为4723。这次，驱动程序更改如下：

  1. driver = new RemoteWebDriver(new URL("http://127.0.0.1:4723/wd/hub"), cap);

问题：
为什么appium grid没有在android设备中调用chrome应用程序？
为什么会抛出“org.openqa.selenium.webdriverexception:error forwarding the new session cannot find”错误，即使chrome应用程序和chrome驱动程序没有任何冲突？
是否需要其他设置？

Javaseleniumweb-applicationsGridappium

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