如何在maven模块中设置循环引用？
我在构建 Maven 项目时遇到这个问题...
mvn 项目父项设置如下：
<groupId>com.company.system.ping</groupId>
<artifactId>system-ping</artifactId>
<name>system-ping</name>
<parent>
<artifactId>parent_lvl_1</artifactId>
<groupId>com.company.system</groupId>
<version>1.0-SNAPSHOT</version>
</parent>
然后我查找所述父项的 POM 并找到这个：
<groupId>com.company.system</groupId>
<artifactId>parent_lvl_1</artifactId>
<packaging>pom</packaging>
<name>_proj_test</name>
<version>1.0-SNAPSHOT</version>
<parent>
<artifactId>parent_lvl_0</artifactId>
<groupId>com.company</groupId>
<version>1</version>
</parent>
我最后查看第一个父项并看到这个：
<groupId>com.company</groupId>
<artifactId>parent_lvl_0</artifactId>
<packaging>pom</packaging>
<name>_main</name>
<version>1</version>
<description>The whole Projects</description>
现在我检查模块
<modules>
<module>../_proj_test</module>
...
</modules>
：第一个父模块正在引用一个子模块！所以当我尝试时
mvn安装
on '_main' 我明白了：
[ERROR] The project com.company.system:_proj_test:1.0-SNAPSHOT (C:\...\pom.xml) has 1 error
[ERROR] Non-resolvable parent POM: The repository system is offline but the artifact com.company:_main:pom:1 is not available in the local repository. and 'parent.relativePath' points at wrong local POM @ line 4, column 10 -> [Help 2]
[ERROR]
我将其翻译为：您的父母需要一个需要您回来的模块。如果我注释掉模块中的所有内容，我可以正确安装所有内容，但这对我来说不行！如何在不构建模块依赖项的情况下构建父级？
谢谢你！
I have this problem with building a maven project...
A mvn project parent is set like this:
<groupId>com.company.system.ping</groupId>
<artifactId>system-ping</artifactId>
<name>system-ping</name>
<parent>
<artifactId>parent_lvl_1</artifactId>
<groupId>com.company.system</groupId>
<version>1.0-SNAPSHOT</version>
</parent>
Then I look for said parent's POM and find this:
<groupId>com.company.system</groupId>
<artifactId>parent_lvl_1</artifactId>
<packaging>pom</packaging>
<name>_proj_test</name>
<version>1.0-SNAPSHOT</version>
<parent>
<artifactId>parent_lvl_0</artifactId>
<groupId>com.company</groupId>
<version>1</version>
</parent>
I finally look at the first parent and see this:
<groupId>com.company</groupId>
<artifactId>parent_lvl_0</artifactId>
<packaging>pom</packaging>
<name>_main</name>
<version>1</version>
<description>The whole Projects</description>
Now I check the modules:
<modules>
<module>../_proj_test</module>
...
</modules>
The first parent module is referencing a child! So when I try
mvn install
on '_main' I get this:
[ERROR] The project com.company.system:_proj_test:1.0-SNAPSHOT (C:\...\pom.xml) has 1 error
[ERROR] Non-resolvable parent POM: The repository system is offline but the artifact com.company:_main:pom:1 is not available in the local repository. and 'parent.relativePath' points at wrong local POM @ line 4, column 10 -> [Help 2]
[ERROR]
I translate this to: you parent requieres a module which requires you back. If I comment out everything in modules I can install everything correctly but this is NOT OK for me! How can I build the parent without building the module dependencies?
Thank you!
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该配置对我来说看起来很奇怪，主要是因为您的“_proj_test”（“_main”的子级）位于同一级别。
尝试mvn -N install。
至于项目结构，我会这样做：
1) $basedir 和 '_main' pom.xml 应该包含这个
2) $basedir/_proj_test 和 '_proj_test' pom.xml 应该包含这个
3) $basedir/_proj_test/system-ping 与 'system-ping' pom.xml （具有正确的父组 groupId - com.company.system 而不是 com.company）
The config looks very weird to me, mainly because your '_proj_test' which is a child for '_main' is located on the same level.
Try mvn -N install.
As for the project structure, I'd do it in such a way:
1) $basedir with '_main' pom.xml which should contain this
2) $basedir/_proj_test with '_proj_test' pom.xml which should contain this
3) $basedir/_proj_test/system-ping with 'system-ping' pom.xml (with correct groupId of parent - com.company.system instead of com.company)