Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) ...

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[INFO] Finished at: 2018-09-19T20:26:05+08:00
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project ppcloud-common: 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
[ERROR]
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR] mvn -rf :ppcloud-common

在新下载的项目中进行maven 的jar的更新和下载时，报此错，在网上搜了其他的文章，需要在eclipse中安装jdk,
选择window→preference→java→Installed JREs 点add添加你的jdk路径，选jdk而不是jre.
然后就可以解决该问题，当我操作结束重新尝试的时候，仍然报次错，
然后我在dos窗口中ping了一下，我在setting配置中的maven镜像地址的域名，
发现ping不同，我更换了可以使用的ip，然后重新尝试就ok了。