How to use SessionMapServer class of org.openqa.selenium.grid.sessionmap.httpd package

The driver executable needs to be avaiable physically on node machine. You can set the path to exe while starting the node

Add this line in the command

-Dwebdriver.chrome.driver=./chromedriver.exe

I configure this from json file and found that's little easier

json file with name DefaultNode.json

{
  "capabilities":
      [
        {
          "browserName": "firefox",
          "maxInstances": 5,
          "seleniumProtocol": "WebDriver"
        },
        {
          "browserName": "chrome",
          "maxInstances": 5,
          "seleniumProtocol": "WebDriver"
        },
        {
          "platform": "WINDOWS",
          "browserName": "internet explorer",
          "maxInstances": 1,
          "seleniumProtocol": "WebDriver"
        }
      ],
  "configuration":
  {
    "proxy": "org.openqa.grid.selenium.proxy.DefaultRemoteProxy",
    "maxSession": 5,
    "port": 5555,
    "host": ip,
    "register": true,
    "registerCycle": 5000,
    "hubPort": 4444,
    "hubHost": ip
  }
}

To start the node with json config

java -jar selenium-server-standalone-2.45.0.jar -role webdriver -nodeConfig DefaultNode.json -Dwebdriver.ie.driver=.\IEDriverServer.exe

Notice the IEDriverServer.exe is placed in same directory with json file

You may capture the Computed Css value as shown in the firebug screenshot below:

like this:

WebDriver web = new FirefoxDriver(;
String visibility = web.findElement(By.xpath("//your xpath")).getCssValue("display");

Use .getOptions() method and store them in a list .Then find its size.

Select se = new Select(driver.findElement(By.id("select drop down locator")));

List<WebElement> l = se.getOptions();
l.size();

-Ajay

I have noticed that in my case and worked perfectly.You need add window size as an arguments in headless Mode.I don't know which language you are working on.

If you are using python add this .

  chrome_options = webdriver.ChromeOptions()
  chrome_options.add_argument('--headless')
  chrome_options.add_argument('window-size=1920x1080')

if you are using java add this.

ChromeOptions chromeOptions = new ChromeOptions();
chromeOptions.addArguments("headless");
chromeOptions.addArguments("window-size=1920,1080");

Please try this and let me know if this work.

You must execute JS to set the window.alert call to do nothing. You can use this method.

static void confirmDialog(WebDriver driver) {
    if (driver instanceof PhantomJSDriver) {
        PhantomJSDriver phantom = (PhantomJSDriver) driver;
        phantom.executeScript("window.alert = function(){}");
        phantom.executeScript("window.confirm = function(){return true;}");
    } else driver.switchTo().alert().accept();
}

driver.findElement() returns first matching element with specified locator and driver.findElements() returns all(array of) matching elements with specified locator.

File pathToBinary = new File("C:\\user\\Programme\\FirefoxPortable\\App\\Firefox\\firefox.exe");
FirefoxBinary ffBinary = new FirefoxBinary(pathToBinary);
FirefoxProfile firefoxProfile = new FirefoxProfile();       
WebDriver driver = new FirefoxDriver(ffBinary,firefoxProfile);

You may manipulate ExpectedConditions to form a suitable complex condition. There're or(...) and urlContains(...) methods useful for your needs. Something like this:

WebDriverWait wait = new WebDriverWait(driver, timeout);
wait.until(ExpectedConditions.or(
    ExpectedConditions.urlContains("http://first.si.te/url"),
    ExpectedConditions.urlContains("http://second.si.te/url")
));

Instead of doing this:

getDriver().findElement(By.xpath("//span[text()='"+auctionID+"']"));

I would try something like this:

By auctionList = By.xpath(".//span[contains(@id,'listOfAuctions')]"));
By containsTextWithId = By.xpath(".//span[contains(.,'" + id + "')]"));
By combinedLocator = new ByChained(auctionList, containsTextWithId);

Or some similar idea, depending on what you are doing.