No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?

执行Maven Install打包的时候，出现以下错误信息：

[ERROR] COMPILATION ERROR : 
[INFO] -------------------------------------------------------------
[ERROR] No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?
[INFO] 1 error

这是因为为没有Web项目指定运行环境 的原因，在项目名称上单击鼠标右键》属性：