报错如下: 300 [main] DEBUG org.apache.hadoop.util.Shell - Failed to detect a valid hadoop home directory java.io.IOException: HADOOP_HOME or hadoop.home.dir are not set 解决办法一: 根据 http://blog.csdn.net/baidu_19473529/article/details/54693523 配置hadoop_home变
官方API Constructor Summary ChromeDriver() Creates a new ChromeDriver using the default server configuration. ChromeDriver(ChromeDriverService service) Creates a new ChromeDriver instance.The service will be started along with the driver, and shutdown