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

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

场景

mvn package 时出现

解决

配置Java环境变量即可

win10参考: Windows 10 配置Java 环境变量 | 菜鸟教程 (runoob.com)

>添加系统变量
JAVA_HOME=jdk的目录
CLASSPATH=.;%JAVA_HOME%\lib\dt.jar;%JAVA_HOME%\lib\tools.jar;

>PATH添加两个变量
%JAVA_HOME%\bin
%JAVA_HOME%\jre\bin