maven 错误收集snapshotRepository

The packaging for this project did not assign a file to the build artifact

当maven执行install:install出现如上错误时，则尝试改用install执行

当maven执行deploy:deployl出现如上错误时，则尝试改用deployl执行

Failed to deploy artifacts: Could not transfer artifact xxxx:pom:0.0.1-20141122.035618-1 from/to snapshots (http://localhost:8081/nexus/content/repositories/snapshots): Failed to transfer file: http://localhost:8081/nexus/content/repositories/snapshots/xxx/0.0.1-SNAPSHOT/xxx-0.0.1-20141122.035618-1.pom. Return code is: 401, ReasonPhrase: Unauthorized. -> [Help 1]

当出现如上错误时，可能是maven的pom文件中未配置<server>节点，或者当前项目中distributionManagement节点下的repository或snapshotRepository的id不再maven的server配置中