Maven 使用相同版本的新文件进行更新
我正在使用 Maven，但有一个问题 - 如果我的同事更新 jar 文件 - Maven 不会更新它。所以我必须转到 .m2/repository 并手动删除它。在此 Maven 更新依赖 jar 后正确。 但可能存在另一种方式来调整，而不需要每次都手动删除？ 谢谢。
I am using Maven and have a problem - if my colleague update jar file - Maven doesn't update it. So I have go to .m2/repository and manually delete it. After this Maven update dependance jar correct.
But may be exists another way to adjust, without each time delete manually?
Thanks.
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首先，您应该确保您同事的工件以快照版本号发布，只要它尚未稳定（请参阅 http://www.sonatype.com/books/mvnref-book/reference/pom-relationships-sect-pom-syntax.html#pom-relationships-sect-snapshot-versions） 。这将导致 Maven 定期检查更新。
要指定检查发生的频率，您可以修改同事部署到的存储库的
updatePolicy（请参阅First, you should make sure that your colleague's artifact is released with a SNAPSHOT version number as long as it it is not yet stable (see http://www.sonatype.com/books/mvnref-book/reference/pom-relationships-sect-pom-syntax.html#pom-relationships-sect-snapshot-versions). This will cause Maven to check for updates regularily.
To specify how often the check occurs, you can modify the
updatePolicyof the repository to which your colleague deploys (see http://maven.apache.org/settings.html#Repositories). You can set it toalwaysto make Maven pull snapshot updates as soon as your colleague deploys them.您还可以将 -U 添加到 mvn 命令中，以强制 maven 检查存储库是否有更新（mvn clean install -U），但就像 dosendoc 所说，首先确保您正在使用 SNAPSHOT 版本。
You can also add -U to the mvn command to force maven to check the repository for updates (mvn clean install -U) but like dosendoc said first make sure you're working off SNAPSHOT versions.