老师，这个可以运行但编译失败Downloaded: https://repo.maven.apache.org/maven2/org/sonatype/aether/aether-api/1.7/aether-api-1.7.jar (73 KB at 0.5 KB/sec)
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
[INFO] Apache Hadoop Main ................................. FAILURE [14:06 min]
[INFO] Apache Hadoop Build Tools .......................... SKIPPED
[INFO] Apache Hadoop Project POM .......................... SKIPPED
[INFO] Apache Hadoop Annotations .......................... SKIPPED
[INFO] Apache Hadoop Assemblies ........................... SKIPPED
[INFO] Apache Hadoop Project Dist POM ..................... SKIPPED
[INFO] Apache Hadoop Maven Plugins ........................ SKIPPED
[INFO] Apache Hadoop MiniKDC .............................. SKIPPED
[INFO] Apache Hadoop Auth ................................. SKIPPED
[INFO] Apache Hadoop Auth Examples ........................ SKIPPED
[INFO] Apache Hadoop Common ............................... SKIPPED
[INFO] Apache Hadoop NFS .................................. SKIPPED
[INFO] Apache Hadoop KMS .................................. SKIPPED
[INFO] Apache Hadoop Common Project ....................... SKIPPED
[INFO] Apache Hadoop HDFS ................................. SKIPPED
[INFO] Apache Hadoop HttpFS ............................... SKIPPED
[INFO] Apache Hadoop HDFS BookKeeper Journal .............. SKIPPED
[INFO] Apache Hadoop HDFS-NFS ............................. SKIPPED
[INFO] Apache Hadoop HDFS Project ......................... SKIPPED
[INFO] hadoop-yarn ........................................ SKIPPED
................................................
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 18:20 min
[INFO] Finished at: 2018-03-04T21:48:15+08:00
[INFO] Final Memory: 44M/120M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-site-plugin:3.4:attach-descriptor (attach-descriptor) on project hadoop-main: Execution attach-descriptor of goal org.apache.maven.plugins:maven-site-plugin:3.4:attach-descriptor failed: Plugin org.apache.maven.plugins:maven-site-plugin:3.4 or one of its dependencies could not be resolved: Could not transfer artifact org.sonatype.aether:aether-spi:jar:1.7 from/to central (https://repo.maven.apache.org/maven2): Connect to repo.maven.apache.org:443 [repo.maven.apache.org/151.101.52.215] failed: 拒绝连接 -> [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/PluginResolutionException
这是怎么回事呢？求解决
