初始化 jdk 报错

[zan]

.\build.cmd init

[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] Reactor Summary:
[INFO]
[INFO] sso-spring-dependencies ............................ SUCCESS [  0.402 s]
[INFO] sso-support ........................................ SUCCESS [  0.035 s]
[INFO] sso-support-custom-auth ............................ FAILURE [  1.914 s]
[INFO] sso-support-single-login ........................... SKIPPED
[INFO] sso-support-captcha ................................ SKIPPED
[INFO] sso ................................................ SKIPPED
[INFO] sso-server ......................................... SKIPPED
[INFO] sso-config ......................................... SKIPPED
[INFO] sso-management ..................................... SKIPPED
[INFO] sso-client-demo .................................... SKIPPED
[INFO] sso-cas-client-demo ................................ SKIPPED
[INFO] sso-client-shiro-demo .............................. SKIPPED
[INFO] sso-client-proxy-demo .............................. SKIPPED
[INFO] sso-support-validate ............................... SKIPPED
[INFO] sso-monitor ........................................ SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 3.245 s
[INFO] Finished at: 2017-12-18T17:57:15+08:00
[INFO] Final Memory: 41M/452M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project sso-support-custom-auth: Compilation failure
[ERROR] No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?
[ERROR]
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