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

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一、使用sts (spring tools suite )开发maven项目，再执行run as -> maven install执行错误.错误主要提示：

INFO] [INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ spring-boot-admin ---[INFO] Changes detected - recompiling the module![INFO] Compiling 4 source files to C:\Users\Administrator\git\spring-boot-admin\target\classes[INFO] -------------------------------------------------------------[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: 5.811 s[INFO] Finished at: 2015-10-14T09:42:08+08:00[INFO] Final Memory: 13M/204M[INFO] ------------------------------------------------------------------------[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project spring-boot-admin: Compilation failure[ERROR] No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?[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

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

这是因为sts安装默认是选择jre来运行程序的，而maven的的一些功能要求使用JDK。解决方法是配置sts的jre,修改成jdk。

修改后看起来是这样:

最后选中你当前项目右键该项目 -> Maven -> Update Project

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