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ブラウザが開きますが、初期化がドライバのインスタンスを返さないようです。当初は、Seleniumに付属しているデフォルトのfirefoxドライバを使用しようとしていましたが、ネットサーフィンではgeckoドライバを使用して解決策を見つけ、必要な機能を設定しました。下記のとおり、私はまだ同じ問題を得る：FirefoxでMacOsでWebテストを実行する場合の問題：45000 ms後にポート7055でホスト127.0.0.1に接続できません。 Firefoxコンソールの出力：
環境詳細：
OS: macOs Sierra, 10.12.6
Browser: Firefox --> 55.0.3 (64-bit)
Driver: geckodriver
Selenium: 2.53.0
のStackTrace：
org.openqa.selenium.firefox.NotConnectedException: Unable to connect to host 127.0.0.1 on port 7055 after 45000 ms. Firefox console output:
ager DEBUG Registering shutdown blocker for <unnamed-provider>
1506807895921 addons.manager DEBUG Provider finished startup: <unnamed-provider>
1506807895924 addons.xpi INFO Mapping [email protected] to /var/folders/9p/2htxqw413p57h8nlv3mzk0w96r_3bp/T/anonymous2657944051650289643webdriver-profile/extensions/[email protected]
1506807895925 addons.xpi DEBUG Ignoring file entry whose name is not a valid add-on ID: /var/folders/9p/2htxqw413p57h8nlv3mzk0w96r_3bp/T/anonymous2657944051650289643webdriver-profile/extensions/webdriver-staging
1506807895925 addons.xpi DEBUG Existing add-on [email protected] in app-profile
1506807895926 addons.xpi INFO Mapping [email protected] to /Applications/Firefox.app/Contents/Resources/browser/features/[email protected]
1506807895927 addons.xpi INFO Mapping [email protected] to /Applications/Firefox.app/Contents/Resources/browser/features/[email protected]
1506807895928 addons.xpi INFO Mapping [email protected] to /Applications/Firefox.app/Contents/Resources/browser/features/[email protected]
1506807895928 addons.xpi INFO Mapping [email protected] to /Applications/Firefox.app/Contents/Resources/browser/features/[email protected]
1506807895928 addons.xpi INFO Mapping [email protected] to /Applications/Firefox.app/Contents/Resources/browser/features/[email protected]
1506807895928 addons.xpi INFO Mapping [email protected] to /Applications/Firefox.app/Contents/Resources/browser/features/[email protected]
1506807895928 addons.xpi INFO Mapping [email protected] to /Applications/Firefox.app/Contents/Resources/browser/features/[email protected]
1506807895928 addons.xpi INFO Mapping [email protected] to /Applications/Firefox.app/Contents/Resources/browser/features/[email protected]
1506807895928 addons.xpi DEBUG Existing add-on [email protected] in app-system-defaults
1506807895929 addons.xpi DEBUG Existing add-on [email protected] in app-system-defaults
1506807895929 addons.xpi DEBUG Existing add-on [email protected] in app-system-defaults
1506807895929 addons.xpi DEBUG Existing add-on [email protected] in app-system-defaults
1506807895929 addons.xpi DEBUG Existing add-on [email protected] in app-system-defaults
1506807895930 addons.xpi DEBUG Existing add-on [email protected] in app-system-defaults
1506807895930 addons.xpi DEBUG Existing add-on [email protected] in app-system-defaults
1506807895930 addons.xpi DEBUG Existing add-on [email protected] in app-system-defaults
1506807895930 addons.xpi INFO Mapping {972ce4c6-7e08-4474-a285-3208198ce6fd} to /Applications/Firefox.app/Contents/Resources/browser/extensions/{972ce4c6-7e08-4474-a285-3208198ce6fd}.xpi
1506807895931 addons.xpi DEBUG Existing add-on {972ce4c6-7e08-4474-a285-3208198ce6fd} in app-global
1506807895931 addons.xpi DEBUG getInstallState changed: false, state: {}
2017-09-30 14:44:56.051 firefox-bin[44193:336169] IMKInputSession presentFunctionRowItemTextInputViewWithEndpoint:completionHandler: : [self textInputContext]=0x12826f3a0 *NO* NSRemoteViewController to client, NSError=Error Domain=NSCocoaErrorDomain Code=4097 "connection from pid 0" UserInfo={NSDebugDescription=connection from pid 0}, com.apple.inputmethod.EmojiFunctionRowItem
1506807896108 addons.productaddons INFO sending request to: https://aus5.mozilla.org/update/3/GMP/55.0.3/20170824053838/Darwin_x86_64-gcc3/en-US/release/Darwin%2016.7.0/default/default/update.xml
1506807896377 addons.productaddons INFO Completed downloading document
1506807896775 addons.productaddons INFO downloadXHR File download. status=200
1506807896784 addons.productaddons INFO Downloaded file will be saved to /var/folders/9p/2htxqw413p57h8nlv3mzk0w96r_3bp/T/tmpaddon
1506807897933 addons.productaddons INFO downloadXHR File download. status=200
1506807897936 addons.productaddons INFO Downloaded file will be saved to /var/folders/9p/2htxqw413p57h8nlv3mzk0w96r_3bp/T/tmpaddon
at org.openqa.selenium.firefox.internal.NewProfileExtensionConnection.start(NewProfileExtensionConnection.java:113)
at org.openqa.selenium.firefox.FirefoxDriver.startClient(FirefoxDriver.java:271)
at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:119)
at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:216)
at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:211)
at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:128)
at com.move.lead.allocation.CommonTestBase.initialize(CommonTestBase.java:68)
at com.move.lead.allocation.api.ApiTestBase.testExceutionPreChecks(ApiTestBase.java:89)
at com.move.lead.allocation.api.ApiTestBase.intializetestMethod(ApiTestBase.java:73)
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:104)
at org.testng.internal.Invoker.invokeConfigurationMethod(Invoker.java:515)
at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:217)
at org.testng.internal.Invoker.invokeMethod(Invoker.java:590)
at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:851)
at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1177)
at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:129)
at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:112)
at org.testng.TestRunner.privateRun(TestRunner.java:756)
at org.testng.TestRunner.run(TestRunner.java:610)
at org.testng.SuiteRunner.runTest(SuiteRunner.java:387)
at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:382)
at org.testng.SuiteRunner.privateRun(SuiteRunner.java:340)
at org.testng.SuiteRunner.run(SuiteRunner.java:289)
at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)
at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:86)
at org.testng.TestNG.runSuitesSequentially(TestNG.java:1293)
at org.testng.TestNG.runSuitesLocally(TestNG.java:1218)
at org.testng.TestNG.runSuites(TestNG.java:1133)
at org.testng.TestNG.run(TestNG.java:1104)
at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:132)
at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:230)
at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:76)
を持っているなら、私に知らせて[MCVE]（MCVE）について、特に一部、[尋ねる]読んで、[どのようにしてください多くの研究努力が期待されていますか？]（https://meta.stackoverflow.com/questions/261592/how-much-research-effort-is-expected-of-stack-overflow-users）これはあなた自身のプログラムをデバッグするのに役立ちますあなた自身の問題を解決してください。あなたがこれを行い、まだまだ立ち往生している場合は、あなたがMCVEを投稿し、何を試したのか、そしてエラーメッセージを含む実行結果を投稿して、より良くあなたを助けることができます。また、ページや関連するHTMLへのリンクを提供してください。 – JeffC