问题描述
我正在开发一个依赖于 X 的项目.X 反过来又依赖于 Y.
I'm working on a project with dependency X. X, in turn, depends on Y.
我曾经在我的项目的 pom.xml 中明确包含 Y.然而，它没有被使用，为了让事情更清晰，我将它作为依赖添加到 X 的 pom 中.X 被标记为发布依赖项.
I used to explicitly include Y in my project's pom. However, it was not used and to make things cleaner, I instead added it to X's pom as a dependency. X is marked as a release dependency.
问题是，从我的项目的 pom 中删除 Y 并将其添加到 X 的 pom 后，我的项目没有在 mvn -U clean package 上找到它.我知道 -U 更新快照但不知道发布.
The problem is that after removing Y from my project's pom and adding it to X's pom, my project isn't picking it up on mvn -U clean package. I know -U update snapshots but not releases.
那么，不删除 ~/.m2/repository 目录如何强制重新下载 X 的 pom?另外，我尝试运行 dependency:purge-local-repository 并且它也不起作用.
So, without deleting the ~/.m2/repository directory how can I force a re-download of X's pom? Also, I tried running dependency:purge-local-repository and it didn't work either.
推荐答案
您不能让 Maven 重新下载依赖项，但您可以做的是清除使用 mvn dependency:purge-local 错误下载的依赖项-存储库
You cannot make Maven re-download dependencies, but what you can do instead is to purge dependencies that were incorrectly downloaded using mvn dependency:purge-local-repository
参见:http://maven.apache.org/plugins/maven-dependency-plugin/purge-local-repository-mojo.html
这会查找当前项目的所有传递依赖项的列表，删除它们，然后重新下载它们.如果你想在每次构建时都运行它，你甚至可以将它作为插件添加到你的 pom 中.
This looks up the list of all transitive dependencies of the current project, deletes them, then redownloads them. You can even add it as a plugin into your pom if you want to run it with every build.
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