我们正在selenium网格中执行多个测试用例，其中集线器连接到2台机器，但每次运行网格时，都会出错。
创建webdriver时出错。异常消息：
会话[（null externalkey）]不可用，并且不在最后1000个终止的会话中。 活动会话是[] 命令持续时间或超时：0毫秒
代码：
private static List<WebDriver> m_listOfWebDrivers = Collections.synchronizedList(new ArrayList<WebDriver>());
private static ThreadLocal<WebDriver> m_driverForThread = new ThreadLocal<WebDriver>() {
@Override
protected WebDriver initialValue() {
WebDriver driver = null;
try {
driver = loadDesktopDriver();
} catch (Exception e) {
e.printStackTrace();
}
Log.info("Initializing Webdriver");
m_listOfWebDrivers.add(driver);
return driver;
}
};
protected static WebDriver loadDesktopDriver() throws Exception {
WebDriver driver = null;
Log.debug("Get Driver for Browser : " + m_browser);
try {
if (!m_runOnBrowserStack && null == m_browser) {
throw new IllegalArgumentException("Browser value should be provided for test");
}
driver = getNewDriver(m_browser, "", "", m_context);
**driver.manage().timeouts().implicitlyWait(50000, TimeUnit.MILLISECONDS);** /* this was added later, still didnt work*/
} catch (Exception e) {
Log.fatal("Error creating a webdriver. Exception message : " + e.getMessage());
throw e;
}
return driver;
}
public static WebDriver getNewDriver(String browserName, String browserVersion, String platform,
ITestContext context)
throws IOException, ComboBoxElementException, TextBoxElementException, ElementException, PageException {
LoggingPreferences logPrefs = new LoggingPreferences();
logPrefs.enable(LogType.BROWSER, Level.ALL);
/**
* These capabilities will need to be re assigned according to the
* browser we are going to be launched. This is required in case of
* running on Grid only but keeping it same normal execution to avoid
* code redundancy.
*/
DesiredCapabilities desiredCapabilities = null;
if (m_runOnBrowserStack) {
desiredCapabilities = new DesiredCapabilities();
JSONObject envs = (JSONObject) m_bsConfig.get("environment");
String bsEnvironment = context.getCurrentXmlTest().getParameter("bsEnvironment");
String testName = context.getCurrentXmlTest().getName();
Log.info("Environmnet details for Test [" + testName + "] is : " + bsEnvironment);
if (null == bsEnvironment)
throw new PageException(
"Environment name does not present in XML or not passed from CLI : " + bsEnvironment);
Map<String, String> envCapabilities = (Map<String, String>) envs.get(bsEnvironment);
if (null == envCapabilities)
throw new PageException("Environment name does not present in Config file : " + bsEnvironment);
Iterator<Entry<String, String>> it = envCapabilities.entrySet().iterator();
while (it.hasNext()) {
Map.Entry<String, ?> pair = (Map.Entry<String, ?>) it.next();
desiredCapabilities.setCapability(pair.getKey().toString(), pair.getValue().toString());
}
Map<String, String> commonCapabilities = (Map<String, String>) m_bsConfig.get("capabilities");
it = commonCapabilities.entrySet().iterator();
while (it.hasNext()) {
Map.Entry<String, ?> pair = (Map.Entry<String, ?>) it.next();
if (desiredCapabilities.getCapability(pair.getKey().toString()) == null) {
desiredCapabilities.setCapability(pair.getKey().toString(), pair.getValue().toString());
}
}
browserName = (String) desiredCapabilities.getCapability("browser");
}
DriverSupportedBrowsers driverType = DriverSupportedBrowsers.valueOf(browserName.toUpperCase());
if (null != m_gridUrl && !m_gridUrl.isEmpty()) {
m_gridUrl += "/wd/hub";
}
switch (driverType) {
case CHROME:
String chromeDriverPath = driverHome + File.separator + FrameworkConstants.chromeDriverExeName;
if (m_runOnBrowserStack || CommonHelper.isFileExists(chromeDriverPath)) {
if (!m_runOnBrowserStack)
desiredCapabilities = DesiredCapabilities.chrome();
desiredCapabilities.setCapability(CapabilityType.LOGGING_PREFS, logPrefs);
ChromeOptions options = new ChromeOptions();
options.addArguments("--start-maximized");
options.addArguments("--disable-extensions");
// To start browser in private mode
// options.addArguments("incognito");
desiredCapabilities.setCapability(ChromeOptions.CAPABILITY, options);
System.setProperty("webdriver.chrome.driver", chromeDriverPath);
if (null != m_gridUrl && !m_gridUrl.isEmpty()) {// for runs on
// grid
return new RemoteWebDriver(new URL(m_gridUrl), desiredCapabilities);
} else
return new RemoteWebDriver(service.getUrl(), desiredCapabilities); /* The code fails here generally with the failure*/
} else {
throw new FileNotFoundException(
"Chrome Driver path : " + chromeDriverPath + "\n\"" + FrameworkConstants.chromeDriverExeName
+ "\" not found in driver home path declared in System Environment Variable \""
+ driverHome + "\"");
}
@Parameters({ "bsEnvironment" })
@BeforeMethod(alwaysRun = true)
public void initialize(ITestContext context, Method method, @Optional String bsEnvironment)
throws IOException {
String customer = context.getCurrentXmlTest().getParameter("customer");
String testName = context.getCurrentXmlTest().getName();
setTestName(testName);
String methodName = "";
m_testMethod = method.getName();
methodName = testName + "_" + method.getName() + "_" + customer;
CommonHelper.renameRetryLog(m_logDir, methodName);
Log.setLog(m_logDir, methodName);
m_context = context;
if (m_runOnBrowserStack) {
if (null == context.getCurrentXmlTest().getParameter("bsEnvironment")
|| context.getCurrentXmlTest().getParameter("bsEnvironment").isEmpty()) {
Log.info("Adding bsEnvironment parameter for run on BrowserStack");
context.getCurrentXmlTest().addParameter("bsEnvironment", bsEnvironment);
}
}
try {
WebDriver driver = getDriverInstanceForThread();
if (null == driver)
throw new PageException("Driver is null. Initialization problem!!");
// Logging browser name and version parameters, driver and thread
// instances
String browserName = null;
String browserVersion = null;
try {
Capabilities webDriverCapablities = ((RemoteWebDriver) driver).getCapabilities();
browserName = webDriverCapablities.getBrowserName();
browserVersion = webDriverCapablities.getVersion();
} catch (ClassCastException e) {
Log.error("Unable to cast driver to RemoteWebdriver");
browserName = m_browser;
browserVersion = "NA";
}
Log.info("\n ****************** START OF TEST CASE " + method.getName() + " " + customer + ":"
+ browserName + ":" + browserVersion + "\t THREAD:" + Thread.currentThread().getId()
+ "\t WEBDRIVER:" + driver + " ****************** \n");
// driver.manage().timeouts().pageLoadTimeout(CommonConstants.PAGE_LOAD_WAIT_SEC,
// TimeUnit.SECONDS);
if (null != m_gridUrl) {
// Log the remote node ip address where the test is running
Log.info("Remote Node IP: " + CommonHelper.getIPOfRemoteNode(driver));
}
} catch (Exception e) {
e.printStackTrace();
Log.warn(e.getMessage());
}
为节点提供超时和浏览器超时触发CMD：
java -Dwebdriver.chrome.driver=D:/imp/iTAF_Driver_Home/chromedriver.exe -jar selenium-server-standalone-3.3.1.jar -port 5554 -role node -hub http://10.18.15.168:5550/grid/register -timeout 86400 -browserTimeout 86000
此问题是反复出现的错误。