尝试使用Maven运行程序并不断出现此错误，请问如何解决？ ps-我是maven / tomcat / springframework等的完全新手
ebitnami@ubuntu:~$ cd OpenESPI-Common-java/
bitnami@ubuntu:~/OpenESPI-Common-java$ mvn -Dmaven.test.skip=true clean install
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building Common 1.3-SNAPSHOT
[INFO] ------------------------------------------------------------------------
Downloading: http://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-clean-
plugin/2.5/maven-clean-plugin-2.5.pom
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 0.809s
[INFO] Finished at: Wed Jun 17 16:21:44 EDT 2020
[INFO] Final Memory: 6M/59M
[INFO] ------------------------------------------------------------------------
[ERROR] Plugin org.apache.maven.plugins:maven-clean-plugin:2.5 or one of its dependencies could not
be resolved: Failed to read artifact descriptor for org.apache.maven.plugins:maven-clean-
plugin:jar:2.5: Could not transfer artifact org.apache.maven.plugins:maven-clean-plugin:pom:2.5
from/to central (http://repo.maven.apache.org/maven2): Failed to transfer file:
http://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-clean-plugin/2.5/maven-clean-
plugin-2.5.pom. Return code is: 501 , ReasonPhrase:HTTPS Required. -> [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