的代碼我想：會顯示多個元素給錯誤：權限被拒絕訪問屬性 「_wrapped」
//Resolve a particular URL
List<WebElement> fields = driver.findElements(By.xpath("<xpath>")); //find multiple elements and store into array list.
WebDriverWait wait = new WebDriverWait(driver, 15);
wait.until(ExpectedConditions.visibilityOfAllElements(fields));
我收到異常：
Permission denied to access property "_wrapped" Build info: version: '3.0.1', revision: '1969d75', time: '2016-10-18 09:48:19 -0700' System info: host: '207-254-7-224', ip: '207.254.7.224', os.name: 'windows', os.arch: 'x86', os.version: '6.1', java.version: '1.8.0_101' Driver info: org.openqa.selenium.firefox.FirefoxDriver Capabilities [{raisesAccessibilityExceptions=false, language=Ruby, browserstack.selenium.jar.version=3.0.1, appBuildId=20161104212021, moz:firefoxOptions={args=[], profile=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}, resolution=1024x768, platform=XP, specificationLevel=0, acceptSslCerts=false, processId=4596, browser=firefox, browserVersion=50.0, platformVersion=6.1, acceptSslCert=false, XULappId={ec8030f7-c20a-464f-9b0e-13a3a9e97384}, browserName=firefox, takesScreenshot=true, browser_version=50.0, platformName=windows_nt, 64bit=true, browserstack.debug=true, rotatable=false, os=Windows, browserstack.ie.noFlash=false, os_version=7, firefoxOptions={args=[], profile=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}, version=50.0, proxy={}, command_id=1, firefox_binary=c:\Program Files (x86)\firefox 50.0\firefox.exe, browserstack.video=true, orig_os=win7, takesElementScreenshot=true, firefox_profile=UEsDBBQAAAAIADNwWUmK7I+M9AMAA..., proxy_type=node}] Session ID: 0c6443f1-43a1-4441-b022-05be88e202ed
發現：
僅在Firefox v50上發生。在本地以及雲基礎架構上測試，如。
這是Firefox v50上的一個已知問題嗎？任何人都可以幫忙嗎？