【maven】maven的web项目打包报错：No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK

[INFO] Scanning for projects...[INFO] [INFO] Using the builder org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder with a thread count of 1[INFO] ????????????????????????????????????????????????????????????????????????[INFO] ------------------------------------------------------------------------[INFO] Building firstSpringBootExample 0.0.1-SNAPSHOT[INFO] ------------------------------------------------------------------------[INFO] [INFO] --- maven-clean-plugin:2.6.1:clean (default-clean) @ firstSpringBootExample ---[INFO] Deleting D:\workspace2\firstSpringBootExample\target[INFO] [INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ firstSpringBootExample ---[INFO] Using ‘UTF-8‘ encoding to copy filtered resources.[INFO] Copying 0 resource[INFO] Copying 0 resource[INFO] [INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ firstSpringBootExample ---[INFO] Changes detected - recompiling the module![INFO] Compiling 1 source file to D:\workspace2\firstSpringBootExample\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: 2.398 s[INFO] Finished at: 2017-10-01T17:41:26+08:00[INFO] Final Memory: 13M/232M[INFO] ------------------------------------------------------------------------[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project firstSpringBootExample: 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