未指定Maven插件版本

问题描述

我刚刚注意到插件的版本在maven中是可选的。我仍然可以构建我的模块而不指定它。让我们以maven-bundle-plugin为例。

I have just noticed that plugin's version is optional in maven. I can still build my module without specifying it. Let's take an example with maven-bundle-plugin.

<plugin>
    <groupId>org.apache.felix</groupId>
    <artifactId>maven-bundle-plugin</artifactId>
    <extensions>true</extensions>
    ....
</plugin>

我写了一个简单的pom.xml，没有父母试试这个，所以不涉及pluginManagement 。我还检查了maven-model-builder中的超级超级pom-4.0.0.xml，以确认maven-bundle-plugin不存在。此插件版本未在任何地方指定。

I have written a simple pom.xml without a parent to try this out, so pluginManagement is not involved. I have also checked the super super pom-4.0.0.xml in maven-model-builder to confirm that maven-bundle-plugin isn't there. This plugin version is not specified anywhere.

maven如何确定要采用的版本？

How does maven determine which version to take?

推荐答案

来自：

鉴于威胁由自动插件版本
分辨率强加的
不可重现的版本，就POM中的插件
声明而言，此功能计划被删除。当检测到丢失的插件版本为
时，Maven 3.x的用户会发现
输出警告鼓励向POM或其
父POM之一添加插件版本。可以使用Enforcer规则requirePluginVersions
另外检查POM中是否缺少插件版本。

Given the threat of non-reproducible builds imposed by automatic plugin version resolution, this feature is scheduled for removal as far as plugin declarations in the POM are concerned. Users of Maven 3.x will find it output a warning when missing plugin versions are detected to encourage the addition of plugin versions to the POM or one of its parent POMs. The Enforcer rule requirePluginVersions can be used additionally check for missing plugin versions in the POM.

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