多模块Maven项目和码头:运行 [英] Multi-module Maven project and jetty:run

问题描述

我试图将Maven WAR项目分成两个模块，以便可以使用命令行工具构建单独的JAR文件.结果具有以下结构:

I'm trying to split a Maven WAR project into two modules, so that I can build a separate JAR file with command line tools. The result has the following structure:

• pom.xml(包装pom，有两个模块)
• project-jar/
  • pom.xml(包装jar)
  • pom.xml (packaging pom, has two modules)
  • project-jar/
    • pom.xml (packaging jar)
    • pom.xml(包装war，取决于project-jar)
    • pom.xml (packaging war, depends on project-jar)

    如果我从根目录运行mvn命令，则一切正常.我想继续使用mvn jetty:run，但是为此，我需要在WAR子项目中执行命令.如果这样做，将无法找到project-jar子项目，因此它将无法运行.即使mvn jetty:run-war在target目录中具有完全组装的WAR文件，也会失败，因为它首先尝试构建"项目.我只能通过将project-jar安装到本地Maven存储库中来使其工作，这不是很好.

    If I run mvn commands from the root, everything works fine. I'd like to keep using mvn jetty:run, but for that I need to execute the command in the WAR subproject. If I do that, fails to find the project-jar subproject, so it won't run. Even mvn jetty:run-war with a completely assembled WAR file in the target directory fails, because it first tries to "build" the project. I've only managed to make it work by installing project-jar into the local Maven repository, which isn't very nice.

    是否可以在多模块Maven配置中使用Jetty插件?

    Is there a way to use the Jetty plugin in a multi-module Maven configuration?

    推荐答案

    没有神奇的解决方案，我知道的唯一解决方案是有点骇人听闻，它依赖于您可以用来声明额外的类目录的extraClasspath元素，相对地.像这样(来自 JETTY-662 ):

    There is no magical solution and the only one I know is a bit hacky and rely on the extraClasspath element that you can use to declare extra class directories, relatively. Like this (from JETTY-662):

    <plugin>
      <groupId>org.mortbay.jetty</groupId>
      <artifactId>jetty-maven-plugin</artifactId>
      <version>7.0.1.v20091125</version>
      <configuration>
        <scanIntervalSeconds>10</scanIntervalSeconds>
        <webAppConfig>
          <contextPath>/my-context</contextPath>
          <extraClasspath>target/classes;../my-jar-dependency/target/classes</extraClasspath>
        </webAppConfig>
        <scanTargets>
          <scanTarget>../my-jar-dependency/target/classes</scanTarget>
        </scanTargets>
      </configuration>
    </plugin>
    

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