[Selenium] FAQ _ object recognition _ compound class names are not supported

Test code

 1     public void login(){ 2  3         WebDriver driver = new ChromeDriver(); 4  5         driver.get("http://IP:Port/client/login.html"); 6  7         driver.findElement(By.id("username")).sendKeys("admin"); 8  9         driver.findElement(By.id("pwd")).sendKeys("111111");10 11         driver.findElement(By.className("btn btn-primary")).click();12 13     }

 

Error Message

Starting ChromeDriver (v2.9.248315) on port 8850Starting ChromeDriver (v2.9.248315) on port 26269Exception in thread "main" org.openqa.selenium.IllegalLocatorException: Compound class names are not supported. Consider searching for one class name and filtering the results.Build info: version: ‘2.23.1‘, revision: ‘17143‘, time: ‘2012-06-08 18:59:28‘System info: os.name: ‘Windows 7‘, os.arch: ‘x86‘, os.version: ‘6.1‘, java.version: ‘1.7.0_60‘Driver info: driver.version: unknown    at org.openqa.selenium.By.className(By.java:131)    at omstest.find.main(find.java:52)

 

Problem Analysis

In werbdriver, by. classname () does not support class names that contain spaces. In line 1st, classname "BTN-primary" contains spaces, leading to an error.

 

Solution 

1. Use wildcards to modify classname so that it does not contain spaces
2. Identify other attributes