maven 编译失败问题解决

使用maven编译项目过程中，出现如下错误：

Downloading: http://artifactory.jd.com/libs-releases/commons-logging/commons-logging/1.2/commons-logging-1.2.pom

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18K downloaded  (commons-logging-1.2.pom)

[INFO] ------------------------------------------------------------------------

[ERROR] BUILD ERROR

[INFO] ------------------------------------------------------------------------

[INFO] Error building POM (may not be this project's POM).





Project ID: commons-logging:commons-logging



Reason: Parent element is a duplicate of the current project  for project commons-logging:commons-logging





[INFO] ------------------------------------------------------------------------

[INFO] For more information, run Maven with the -e switch

[INFO] ------------------------------------------------------------------------

[INFO] Total time: 24 seconds

[INFO] Finished at: Tue May 15 11:58:23 UTC 2018

[INFO] Final Memory: 116M/2445M

[INFO] ------------------------------------------------------------------------

script returned exit code 1


解决方法：将maven升级，原先是maven2，现在升级到maven3，重新编译就没有问题了。