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

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本文介绍了在命令行中执行Maven项目编译时遇到的一个常见错误：未找到编译器，可能是运行在JRE而非JDK上。通过检查并正确配置JAVA_HOME环境变量解决了该问题。

在命令行中执行编译（mvn compile）maven项目时，提示[ERROR] No compiler is providedin this environment. Perhaps you are running on a JRE rather than a JDK?错误信息，具体详细如下

[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
[INFO] -------------------------------------------------------------
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 0.787 s
[INFO] Finished at: 2018-03-11T15:33:10+08:00
[INFO] Final Memory: 8M/154M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project simple: Compilation failure
[ERROR] No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?
[ERROR]
[ERROR] -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException

刚开始搞maven项目，在网上搜索下资料发现都是基于eclipse开发的，而我的是直接使用mvn在命令行执行的，不适合我的情况，但是我想也是jdk的配置问题。后来我又检查了下jdk的配置，发现我只配置了path的内容，没有配置JAVA_HOME，于是我试着配置了，然后重新打开一个命令行窗口重新执行命令，发现问题解决了。原来是没有配置JAVA_HOME的原因，JAVA_HOME对于使用eclipse工具开发可有可无，但是如果使用最基本的命令行操作，它还是需要配置上的。