如何禁用 maven 阻止外部 HTTP 存储库? [英] How to disable maven blocking external HTTP repositores?

问题描述

Maven 自 3.8.1 版起默认阻止外部 HTTP 存储库(参见 https://maven.apache.org/docs/3.8.1/release-notes.html)

有没有办法禁用它或从这个规则中豁免仓库?

解决方案

通过检查负责默认 HTTP 阻塞的 Maven git 存储库中的提交，我找到了一个解决方案:https://github.com/apache/maven/commit/907d53ad3264718f66ff15e15e15e1363d76b07dd0c05f"

我的解决方法如下:

在 Maven 设置中(位于 ${maven.home}/conf/settings.xml 或 ${user.home}/.m2/settings.xml)，必须删除以下条目:

<镜像><id>maven-default-http-blocker</id><mirrorOf>外部:http:*</mirrorOf> 最初使用 HTTP 镜像外部存储库的伪存储库.<url>http://0.0.0.0/</url><blocked>true</blocked></镜像>

如果您在一个项目中工作并且无法确保 Maven 设置始终如此，例如因为你与其他人共享代码或者想使用 CI/CD 进行自动化测试，你可以执行以下操作: 在项目中添加一个名为 .mvn 的目录.在.mvn目录下，添加一个名为maven.config的文件，内容为--settings ./.mvn/local-settings.xml.在.mvn目录下，添加一个名为local-settings.xml的文件.该文件应如下所示:

<镜子><镜子><id>my-repository-http-unblocker</id><mirrorOf>my-blocked-http-repository</mirrorOf><姓名></姓名><url>http://........</url><blocked>false</blocked></镜像></镜子></设置>

在<mirrorOf>标签中，你需要指定哪个仓库被阻止，在<url>标签中，你指定的原始url再次存储库.您需要为您拥有的每个被阻止的存储库创建此解除阻止程序镜像.

示例:

如果您在 pom.xml 中定义了以下 HTTP 存储库:

<存储库><快照><启用>假</启用></快照><id>中央</id><name>libs-release</name><url>http://my-url/libs-release</url></repository><存储库><id>快照</id><name>libs-snapshot</name><url>http://my-url/libs-snapshot</url></repository></repositories>

然后你需要在.mvn/local-settings.xml:

<镜子><镜子><id>release-http-unblocker</id><mirrorOf>central</mirrorOf><姓名></姓名><url>http://my-url/libs-release</url><blocked>false</blocked></镜像><镜子><id>snapshot-http-unblocker</id><mirrorOf>快照</mirrorOf><姓名></姓名><url>http://my-url/libs-snapshot</url><blocked>false</blocked></镜像></镜子>

我希望我的工作可以帮助其他偶然发现此问题的人.但是，如果您有更优雅或更好的解决方案，请分享！

Maven blocks external HTTP repositories by default since version 3.8.1 (see https://maven.apache.org/docs/3.8.1/release-notes.html)

Is there a way to disable that or to exempt a repository from this rule?

解决方案

I found a solution to do this by inspecting the commit in the Maven git repository that is responsible for the default HTTP blocking: https://github.com/apache/maven/commit/907d53ad3264718f66ff15e1363d76b07dd0c05f

My solution is as follows:

In the Maven settings (located in ${maven.home}/conf/settings.xml or ${user.home}/.m2/settings.xml), the following entry must be removed:

<mirror>
  <id>maven-default-http-blocker</id>
  <mirrorOf>external:http:*</mirrorOf>
  <name>Pseudo repository to mirror external repositories initially using HTTP.</name>
  <url>http://0.0.0.0/</url>
  <blocked>true</blocked>
</mirror>

If you work in a project and cannot make sure the Maven settings are always like that, e.g. because you share code with other people or want to use CI/CD with automated testing, you may do the following: Add a directory named .mvn in the project. In the .mvn directory, add a file named maven.config with the content --settings ./.mvn/local-settings.xml. In the .mvn directory, add a file named local-settings.xml. This file should look like this:

<settings xmlns="http://maven.apache.org/SETTINGS/1.2.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.2.0 http://maven.apache.org/xsd/settings-1.2.0.xsd">
    <mirrors>
        <mirror>
            <id>my-repository-http-unblocker</id>
            <mirrorOf>my-blocked-http-repository</mirrorOf>
            <name></name>
            <url>http://........</url>
            <blocked>false</blocked>
        </mirror>
    </mirrors>
</settings>

Where inside the <mirrorOf> tag, you need to specify what repository is blocked, and in the <url> tag, you specify the original url of the repository again. You need to create this unblocker mirror for every repository you have that is blocked.

Example:

If you have the following HTTP repositories defined in the pom.xml:

<repositories>
    <repository>
        <snapshots>
            <enabled>false</enabled>
        </snapshots>
        <id>central</id>
        <name>libs-release</name>
        <url>http://my-url/libs-release</url>
    </repository>
    <repository>
        <id>snapshots</id>
        <name>libs-snapshot</name>
        <url>http://my-url/libs-snapshot</url>
    </repository>
</repositories>

Then you need in the .mvn/local-settings.xml:

<mirrors>
    <mirror>
        <id>release-http-unblocker</id>
        <mirrorOf>central</mirrorOf>
        <name></name>
        <url>http://my-url/libs-release</url>
        <blocked>false</blocked>
    </mirror>
    <mirror>
        <id>snapshot-http-unblocker</id>
        <mirrorOf>snapshots</mirrorOf>
        <name></name>
        <url>http://my-url/libs-snapshot</url>
        <blocked>false</blocked>
    </mirror>
</mirrors>

I hope my work can help other people who stumble upon this. However, if you have a more elegant or better solution, please share!

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