[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project HelloWord: Compilation failure
[ERROR] No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?
原因: maven-compiler-plugin:3.1要求必须使用jdk中的jre,而不是独立的jre
解决:把默认的编译环境改为jdk
windows --> Perferences --->搜索jre--->
移除jre
add 你的jdk 并改为默认即可
然后把你的项目bulid path的jre该过来就行