mvn deploy 報出400錯誤

[INFO] ------------------------------------------------------------------------  [INFO] BUILD FAILURE  [INFO] ------------------------------------------------------------------------  [INFO] Total time: 2.532 s  [INFO] Finished at: 2014-12-29T19:27:43+08:00  [INFO] Final Memory: 9M/22M  [INFO] ------------------------------------------------------------------------  [ERROR] Failed to execute goal org.apache.maven.plugins:maven-deploy-plugin:2.7:  deploy (default-deploy) on project d4: Failed to deploy artifacts: Could not tra  nsfer artifact d3:d4:jar:0.0.1-20141229.112743-1 from/to loiy_snapshots (http://  127.0.0.1:8081/nexus/content/repositories/loiy_snapshots/): Failed to transfer f  ile: http://127.0.0.1:8081/nexus/content/repositories/loiy_snapshots/d3/d4/0.0.1  -SNAPSHOT/d4-0.0.1-20141229.112743-1.jar. Return code is: 400, ReasonPhrase: Bad   Request. -> [Help 1]  [ERROR]  [ERROR] To see the full stack trace of the errors, re-run Maven with the -e swit  ch.  [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 rea  d the following articles:  [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionE  xception  

Return code is: 400
400錯誤的含義是“錯誤的請求”，在這裡的原因是往往是沒有部署到nexus的倉庫中。

最後發現，本地倉庫loiy_snapshots的policy選成Release。