Selenium/TestBench 失敗：net::ERR_CONNECTION_REFUSED

Question

我嘗試運行 Web 應用程序並使用谷歌瀏覽器啟動它，但它顯示一個錯誤，這是我得到的例外。 我是網絡開發新手，我沒有網絡開發經驗。 這是完全遵循 vaadin 教程，但我仍然收到這樣的錯誤。

我希望有人可以在這里解釋問題和解決方案。

12:18:42.557 [main] INFO io.github.bonigarcia.wdm.WebDriverManager - Exporting webdriver.chrome.driver as C:\Users\Abyss\.m2\repository\webdriver\chromedriver\win32\85.0.4183.87\chromedriver.exe
Sep 18, 2020 12:18:42 PM com.vaadin.testbench.parallel.ParallelTest setup
INFO: Did not find a configuration to run locally, on Sauce Labs or on other test grid. Falling back to running locally on Chrome.
Starting ChromeDriver 85.0.4183.87 (cd6713ebf92fa1cacc0f1a598df280093af0c5d7-refs/branch-heads/4183@{#1689}) on port 14652
Only local connections are allowed.
Please see https://chromedriver.chromium.org/security-considerations for suggestions on keeping ChromeDriver safe.
ChromeDriver was started successfully.
Sep 18, 2020 12:18:46 PM org.openqa.selenium.remote.ProtocolHandshake createSession
INFO: Detected dialect: W3C
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by javassist.util.proxy.SecurityActions (file:/C:/Users/Abyss/.m2/repository/org/javassist/javassist/3.18.1-GA/javassist-3.18.1-GA.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int,java.security.ProtectionDomain)
WARNING: Please consider reporting this to the maintainers of javassist.util.proxy.SecurityActions
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Sep 18, 2020 12:18:52 PM com.vaadin.testbench.ScreenshotOnFailureRule failed
INFO: Error screenshot written to: C:\Users\Abyss\Documents\Intellij Prgram\vaadin-crm\vaadin-crm\error-screenshots\loginAsValidUserSucceeds[ANY_Chrome_](com.vaadin.tutorial.crm.it.LoginIT).png

org.openqa.selenium.WebDriverException: unknown error: net::ERR_CONNECTION_REFUSED
  (Session info: chrome=85.0.4183.102)
Build info: version: '3.141.59', revision: 'e82be7d358', time: '2018-11-14T08:17:03'
System info: host: 'DESKTOP-UIL9GAM', ip: '192.168.0.22', os.name: 'Windows 10', os.arch: 'amd64', os.version: '10.0', java.version: '11.0.8'
Driver info: org.openqa.selenium.chrome.ChromeDriver
Capabilities {acceptInsecureCerts: false, browserName: chrome, browserVersion: 85.0.4183.102, chrome: {chromedriverVersion: 85.0.4183.87 (cd6713ebf92fa..., userDataDir: C:\Users\Abyss\AppData\Loca...}, goog:chromeOptions: {debuggerAddress: localhost:58803}, javascriptEnabled: true, networkConnectionEnabled: false, pageLoadStrategy: normal, platform: WINDOWS, platformName: WINDOWS, proxy: Proxy(), setWindowRect: true, strictFileInteractability: false, timeouts: {implicit: 0, pageLoad: 300000, script: 30000}, unhandledPromptBehavior: dismiss and notify, webauthn:virtualAuthenticators: true}
Session ID: de2db382831034a569b4913b37583b71

    at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
    at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490)
    at org.openqa.selenium.remote.http.W3CHttpResponseCodec.createException(W3CHttpResponseCodec.java:187)
    at org.openqa.selenium.remote.http.W3CHttpResponseCodec.decode(W3CHttpResponseCodec.java:122)
    at org.openqa.selenium.remote.http.W3CHttpResponseCodec.decode(W3CHttpResponseCodec.java:49)
    at org.openqa.selenium.remote.HttpCommandExecutor.execute(HttpCommandExecutor.java:158)
    at org.openqa.selenium.remote.service.DriverCommandExecutor.execute(DriverCommandExecutor.java:83)
    at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:552)
    at org.openqa.selenium.remote.RemoteWebDriver.get(RemoteWebDriver.java:277)
    at com.vaadin.testbench.TestBenchDriverProxy.get(TestBenchDriverProxy.java:66)
    at com.vaadin.testbench.TestBenchDriverProxy_$$_jvste97_0._d24get(TestBenchDriverProxy_$$_jvste97_0.java)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.base/java.lang.reflect.Method.invoke(Method.java:566)
    at com.vaadin.testbench.DriverInvocationHandler.invoke(DriverInvocationHandler.java:51)
    at com.vaadin.testbench.TestBenchDriverProxy_$$_jvste97_0.get(TestBenchDriverProxy_$$_jvste97_0.java)
    at com.vaadin.tutorial.crm.it.AbstractTest.setup(AbstractTest.java:31)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.base/java.lang.reflect.Method.invoke(Method.java:566)
    at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
    at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
    at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
    at org.junit.internal.runners.statements.RunBefores.invokeMethod(RunBefores.java:33)
    at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:24)
    at com.vaadin.testbench.parallel.ParallelRunner$1.evaluate(ParallelRunner.java:468)
    at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:61)
    at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:61)
    at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
    at org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)
    at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366)
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)
    at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
    at com.vaadin.testbench.parallel.ParallelScheduler$1.call(ParallelScheduler.java:48)
    at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
    at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
    at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
    at java.base/java.lang.Thread.run(Thread.java:834)


org.openqa.selenium.NoSuchSessionException: Session ID is null. Using WebDriver after calling quit()?
Build info: version: '3.141.59', revision: 'e82be7d358', time: '2018-11-14T08:17:03'
System info: host: 'DESKTOP-UIL9GAM', ip: '192.168.0.22', os.name: 'Windows 10', os.arch: 'amd64', os.version: '10.0', java.version: '11.0.8'
Driver info: driver.version: RemoteWebDriver

    at org.openqa.selenium.remote.HttpCommandExecutor.execute(HttpCommandExecutor.java:125)
    at org.openqa.selenium.remote.service.DriverCommandExecutor.execute(DriverCommandExecutor.java:83)
    at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:552)
    at org.openqa.selenium.remote.RemoteWebDriver.executeScript(RemoteWebDriver.java:489)
    at com.vaadin.testbench.commands.TestBenchCommandExecutor.waitForVaadin(TestBenchCommandExecutor.java:127)
    at com.vaadin.testbench.DriverInvocationHandler.waitForVaadinIfNecessary(DriverInvocationHandler.java:69)
    at com.vaadin.testbench.DriverInvocationHandler.invoke(DriverInvocationHandler.java:37)
    at com.vaadin.testbench.TestBenchDriverProxy_$$_jvste97_0.getScreenshotAs(TestBenchDriverProxy_$$_jvste97_0.java)
    at com.vaadin.testbench.ScreenshotOnFailureRule.failed(ScreenshotOnFailureRule.java:113)
    at org.junit.rules.TestWatcher.failedQuietly(TestWatcher.java:90)
    at org.junit.rules.TestWatcher.access$300(TestWatcher.java:52)
    at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:68)
    at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
    at org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)
    at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366)
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)
    at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
    at com.vaadin.testbench.parallel.ParallelScheduler$1.call(ParallelScheduler.java:48)
    at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
    at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
    at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
    at java.base/java.lang.Thread.run(Thread.java:834)


Process finished with exit code -1

Answer 1

我認為該錯誤與非法反射訪問警告無關。

您的應用程序正在運行嗎？ TestBench 要求您的應用程序在執行測試時運行。