解决Perhaps you are running on a JRE rather than a JDK问题

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

问题原因：eclipse默认是运行在jre上的，但是maven插件需要使用jdk，因此需要在eclipse修改Installed JRES
位置在-->【Window】-->【Prefrences】-->【Java】-->【Installed JREs】