海带

问题汇总:An internal error occurred during: "Launching Appium_demo"

An internal error occurred during: "Launching Appium_demo".
java.lang.NullPointerException
问题产生原因是:缺少Java development tools .

解决办法:安装之后就OK了。

安装方法:打开eclipse-->help-->install new software输入//download.eclipse.org/releases/juno ,

在Programing language下找到eclipse java development tools