SELENIUM+java环境的搭建

http://download.youkuaiyun.com/download/ly453100109/9747994
chrome浏览器驱动包
http://chromedriver.storage.googleapis.com/index.html?path=2.7/

下载其他jar包
http://www.cnblogs.com/dieyaxianju/p/6791428.html

报错
Starting ChromeDriver (v2.7.236900) on port 16484
Exception in thread "main" org.openqa.selenium.WebDriverException: unknown error: Runtime.executionContextCreated has invalid 'context': {"auxData":{"frameId":"4536.1","isDefault":true},"id":1,"name":"","origin":"://"}
  (Session info: chrome=57.0.2987.110)
  (Driver info: chromedriver=2.7.236900,platform=Windows NT 6.1 SP1 x86_64) (WARNING: The server did not provide any stacktrace information)
Command duration or timeout: 484 milliseconds
Build info: version: '2.46.0', revision: '87c69e2', time: '2015-06-04 16:17:10'
System info: host: 'RSMYJNB0423', ip: '10.11.26.178', os.name: 'Windows 7', os.arch: 'amd64', os.version: '6.1', java.version: '1.8.0_101'
Driver info: org.openqa.selenium.chrome.ChromeDriver
Capabilities [{applicationCacheEnabled=false, rotatable=false, chrome={userDataDir=C:\Users\yanyun.ma\AppData\Local\Temp\scoped_dir3664_29044}, takesHeapSnapshot=true, databaseEnabled=false, handlesAlerts=true, version=57.0.2987.110, platform=XP, browserConnectionEnabled=false, nativeEvents=true, acceptSslCerts=true, locationContextEnabled=true, webStorageEnabled=true, browserName=chrome, takesScreenshot=true, javascriptEnabled=true, cssSelectorsEnabled=true}]
Session ID: d6e97001e2e859e118e1966a4e9b4ee2
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
    at org.openqa.selenium.remote.ErrorHandler.createThrowable(ErrorHandler.java:204)
    at org.openqa.selenium.remote.ErrorHandler.throwIfResponseFailed(ErrorHandler.java:156)
    at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:605)
    at org.openqa.selenium.remote.RemoteWebDriver.get(RemoteWebDriver.java:306)
    at selenuimTest.login.main(login.java:16)

http://blog.youkuaiyun.com/huilan_same/article/details/51896672   去下载你对应的chromedriver版本，是因为版本的问题导致的。 更新了Driver，之后就可以了。