问题描述
我有以下Maven组织:
I have the following Maven organization:
- ./pom.xml (top-level project, which defines the 4 modules below)
- ./a/pom.xml (jar)
- ./b/pom.xml (jar)
- ./c/pom.xml (war)
- ./d/pom.xml (war)
到目前为止，我一直在按以下方式使用Maven(全部在根目录中执行):
So far, I have been using Maven as following (all executed in the root):
1. mvn clean compile install
2. mvn tomcat7:redeploy -pl c
3. mvn tomcat7:redeploy -pl d
尽管这种方法很完美，但我不确定这是否是首选方法.第一步，我要安装所有项目，但实际上，应该只安装jar项目a和b.无需安装c和d项目.
Although this works perfectly, I am not really sure if this is the preferred way. In the first step, I am installing all projects, but actually, only the jar projects a and b should be installed. There is no need to install the c and d projects.
尽管安装c和d并没有什么坏处，但是Maven是否有更好的用法来避免这种情况?我总是可以手动安装a和b，但这当然会损害模块的好处(自动检测依赖关系顺序，这只是其中的一个好处).
Although it doesn't hurt installing c and d, is there a better usage of Maven to avoid this? I can always manually install a and b, but this ofcourse conterfeits the benefits of modules (auto-detection of dependency order, to name one benefit).
推荐答案
compile和install都是默认生命周期的一部分，因此无需调用compile.而且如果依赖项是反应堆的一部分(即正在构建的所有Maven项目)，则不需要install文件.相反，package就足够了，尽管在有集成测试的情况下我更喜欢verify.您可能也可以这样做:mvn verify tomcat7:redeploy -pl c -am，其中-am触发构建c所需的多模块项目的项目.
compile and install are both part of the default lifecycle, so there's no need to call compile. And you don't need to install files in case dependencies are part of the reactor (i.e. all the maven projects being built). Instead package is good enough, although I prefer verify in case there are integration-tests.You could probably do this as well: mvn verify tomcat7:redeploy -pl c -am, where -am triggers projects of the multimodule project which are required to build c.
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