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The command driver.findElement(By.xpath("xpath"). click(); is not working in Web driver. Kindly check the below code written in selenium RC and webdriver.

Selenium RC :

public void courselibrary_click() throws Exception {

        selenium.open("/ksdlms/");
        //selenium.setSpeed(null);
         selenium.windowMaximize();
         selenium.windowFocus();

         selenium.type("name=userID", "asha");

            selenium.type("name=password", "welcome");
            selenium.click("id=loginbutton");
            //selenium.waitForPageToLoad("30000");
            Thread.sleep(30000);
            System.out.println("ok");

            selenium.click("xpath=html/body/table/tbody/tr/td[2]/table/tbody/tr[2]/td[1]/table/tbody/tr[283]/td[2]/a");
            System.out.println("ok ok");
}

Webdriver :

public void courselibrary_click() throws Exception {
          driver.get(baseurl);
        driver.manage().window().maximize();
        //driver.switchTo().window("KESDEE Learning Management System.");
        driver.findElement(By.name("userID")).sendKeys("asha");
        driver.findElement(By.name("password")).sendKeys("welcome");
        driver.findElement(By.id("loginbutton")).click();
        System.out.println("ok");
        Thread.sleep(3000);
        System.out.println("ok ok");
       // driver.implicitly_wait(300);
        //System.out.println("ok");
        **driver.findElement(By.xpath("html/body/table/tbody/tr/td[2]/table/tbody/tr[2]/td[1]/table/tbody/tr[283]/td[2]/a")).click();**
                                //selenium.click("xpath=html/body/table/tbody/tr/td[2]/table/tbody/tr[2]/td[1]/table/tbody/tr[6]/td[2]/a");
       //element.click();
        Thread.sleep(1000);
}

After login to the application, driver is unable to find an element and throwing exception:

FAILED: courselibrary_click
org.openqa.selenium.NoSuchElementException: Unable to locate element: {"method":"xpath","selector":"html/body/table/tbody/tr/td[2]/table/tbody/tr[2]/td[1]/table/tbody/tr[283]/td[2]/a"}
Command duration or timeout: 44 milliseconds
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Do you mean it works in RC and doesn't in Webdriver? Add snippet of HTML –  olyv Jun 20 at 11:07
    
All Se experts recommend to use id > name > link text > class > xpath. Can you use other, more preferred way to locate your element? –  Peter Masiar Jun 20 at 14:00

2 Answers 2

XPath locator should begin with //.

So try

    driver.findElement(By.xpath("html/body/table/tbody/tr/td[2]/table/tbody/tr[2]/td[1]/table/tbody/tr[283]/td[2]/a")).click();*
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1  
Tried with Xpath locator "//" also, but it was not working. After using the command driver.switchTo().frame(1); it started working. Thanks –  user2787080 Jun 20 at 12:07

There are perhaps three reasons why this might fail:

  1. The page hasn't finished loading, so the element isn't there
  2. The page has finished loading, and the page simply doesn't contain the item -- perhaps because you spelled it wrong in the test or the developer spelled it wrong in the code
  3. The page contains embedded frames, and the element you seek is in an embedded frame.

Based on your comments to another anwer, it appears that the problem is 3 - the table was in an embedded frame. If that's the case, you need to switch to the frame before locating the element.

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