maven启动报错No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?
[INFO] Scanning for projects...
[WARNING]
[WARNING] Some problems were encountered while building the effective model for com.yusys.pro:NewsManagement:war:0.0.1-SNAPSHOT
[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-compiler-plugin is missing. @ line 176, column 23
[WARNING]
[WARNING] It is highly recommended to fix these problems because they threaten the stability of your build.
[WARNING]
[WARNING] For this reason, future Maven versions might no longer support building such malformed projects.
[WARNING]
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building NewsManagement Maven Webapp 0.0.1-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] >>> jetty-maven-plugin:8.1.16.v20140903:run (default-cli) > test-compile @ NewsManagement >>>
[INFO]
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ NewsManagement ---
[WARNING] Using platform encoding (GBK actually) to copy filtered resources, i.e. build is platform dependent!
[INFO] Copying 5 resources
[INFO]
[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ NewsManagement ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 9 source files to D:\worksheet\NewsManagement\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: 2.264 s
[INFO] Finished at: 2018-01-13T08:06:00+08:00
[INFO] Final Memory: 9M/153M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project NewsManagement: 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
这个错误是运行环境的错误，意思是运行时在jre上运行，不是在jdk上运行，故而需要更改运行环境切换在jdk上运行。
解决办法是：window---->preferences选择如下切换
如果没有添加jdk，则add
next
选择jdk的安装包，如下
然后finish，并勾选第一张图的jdk，点击OK ，运行环境切换完成。
