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一.情况描述
mvn install工程正常构建完成，但我mvn deploy报400错误，局域网maven组件仓库nexus也是正常的，deploy的帐号密码都是对的。报错信息如下：
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-deploy-plugin:3.1.1:deploy (default-deploy) on project pangu-axe-parent: Failed to deploy artifacts: Could not transfer artifact com.scantt:pangu-axe-parent:pom:0.2.2 from/to nexusServer (http://10.1.230.123:8081/nexus/content/repositories/releases/): status code: 400, reason phrase: Bad Request (400) -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[JENKINS] Archiving C:\Users\Administrator\.jenkins\workspace\pangu-axe-parent\pangu-axe\pom.xml to com.scantt/pangu-axe/0.2.2/pangu-axe-0.2.2.pom
[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/MojoExecutionException二.问题是RELEASE版本和SNAPSHOT版本的区别
在nexus仓库中，SNAPSHOT版本允许同一个版本号多次deploy，但RELEASE版本一个版本号仅允许deploy一次。根据实际情况，要么使用SNAPSHOT版本，要么使用RELEASE版本。
PS：版本升级应该包含源代码版本和源代码生成的基于maven组件版本两个部分。源代码版本是通过git的分支与合并处理。maven组件版本是通过mvn versions:set -DnewVersion=xxxx 来修改的。详见之前的文章转载maven版本更新_manve 版本更新-CSDN博客