Question

我在Eclipse中使用Eclipse Maven（m2e），我正在运行我的项目：

我的pom.xml看起来像这样：

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>ro.project</groupId>
    <packaging>jar</packaging>
    <version>1.0-SNAPSHOT</version>
    <name>ro.project</name>

    <properties>
        <org.springframework.version>3.1.1.RELEASE</org.springframework.version>
        <org.hibernate.version>4.1.0.Final</org.hibernate.version>
    </properties>
    <dependencies>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>${org.springframework.version}</version>
        </dependency>
    <build>
        <plugins>

            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-jar-plugin</artifactId>
                <configuration>
                    <archive>
                        <manifest>
                            <addClasspath>true</addClasspath>
                            <classpathPrefix>lib/</classpathPrefix>
                            <mainClass>ro.project.ProjectServer</mainClass>
                        </manifest>
                    </archive>
                </configuration>
            </plugin>
            <plugin>
                <artifactId>maven-antrun-plugin</artifactId>
                <dependencies>
                    <dependency>
                        <groupId>com.sun</groupId>
                        <artifactId>tools</artifactId>
                        <version>1.7.0_02</version>
                        <scope>system</scope>
                        <systemPath>${java.home}/../lib/tools.jar</systemPath>
                    </dependency>
                </dependencies>
                <executions>
                    <execution>
                        <id>ant-magic</id>
                        <phase>prepare-package</phase>
                        <goals>
                            <goal>run</goal>
                        </goals>
                        <configuration>
                            <tasks>
                                <property name="compile_classpath" refid="maven.compile.classpath" />
                                <property name="runtime_classpath" refid="maven.runtime.classpath" />
                                <property name="test_classpath" refid="maven.test.classpath" />
                                <property name="plugin_classpath" refid="maven.plugin.classpath" />

                                <ant antfile="${basedir}/clientExport.xml" target="export-all" />
                            </tasks>
                        </configuration>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>

    <artifactId>project-core</artifactId>
    <url>http://www.project.ro</url>
</project>

运行maven安装后，它正在运行......

Maven运行配置：

maven install deploy jar

问题是我生成的.jar它没有包含依赖项.... 如何配置pom.xml以.jar格式包含所有依赖项而不解压缩...因为看起来unpacked无法正常工作...

确保包括所有罐子都没问题。我下载并将每个库添加到jar的{{1}}文件夹中，并且jar正在运行...所以..我唯一的问题是：如何配置/lib以便以pom.xml格式添加所有依赖项？

我尝试了所有方法：

jar
assembly:assembly
assembly:single带有我的描述符（assembly:single文件），但它无法正常工作
assemble.xml插件但仍未使用Eclipse Maven - maven copy dependencies

我没有解决方案......任何人都可以告诉我在jar中添加依赖项的正确方法吗？我无法相信m2e如此复杂，我无法在任何地方找到答案。

提前谢谢

Answer 1

有几种方法可以做到这一点。

1）如果您想要一个超级jar（重新打包所有依赖项），请查看使用和配置maven-shade-plugin：

  <build>
    <plugins>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-shade-plugin</artifactId>
        <version>1.6</version>
        <executions>
          <execution>
            <phase>package</phase>
            <goals>
              <goal>shade</goal>
            </goals>
            <configuration>
              <transformers>
                <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
                  <mainClass>com.group.id.Launcher1</mainClass>
                </transformer>
              </transformers>
            </configuration>
          </execution>
        </executions>
      </plugin>
    </plugins>
  </build>

这将解压所有依赖项并将它们合并到一个JAR文件中。

2）如果你想在捆绑包中提供一个包（zip，tar.gz等）和解压缩的JAR文件（可能在lib /下），那么你需要查看{{3} }：

  <build>
    <plugins>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-assembly-plugin</artifactId>
        <version>2.3</version>
        <executions>
          <execution>
            <id>create-distro</id>
            <phase>package</phase>
            <goals>
              <goal>single</goal>
            </goals>
            <configuration>
              <descriptors>
                <descriptor>src/main/assembly/dist.xml</descriptor>
              </descriptors>
            </configuration>
          </execution>
        </executions>
      </plugin>
    </plugins>
  </build>

请注意，这需要一个程序集描述符src/main/assembly/dist.xml，示例如下所示：

<assembly xmlns="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.0">
  <id>distribution</id>
  <formats>
    <format>zip</format>
  </formats>

  <dependencySets>
    <dependencySet>
      <useProjectArtifact>false</useProjectArtifact>
      <useTransitiveDependencies>false</useTransitiveDependencies>
      <unpack>false</unpack>
      <scope>runtime</scope>
      <fileMode>0755</fileMode>
      <directoryMode>0755</directoryMode>
      <outputDirectory>bin</outputDirectory>

      <includes>
        <include>com.group.id:project-launch1</include>
        <include>com.group.id:project-launch2</include>
      </includes>

    </dependencySet>
    <dependencySet>
      <useProjectArtifact>false</useProjectArtifact>
      <useTransitiveDependencies>true</useTransitiveDependencies>
      <unpack>false</unpack>
      <scope>runtime</scope>
      <fileMode>0644</fileMode>
      <directoryMode>0755</directoryMode>
      <outputDirectory>lib</outputDirectory>

      <includes>
        <include>com.group.id:project-lib1</include>
        <include>com.group.id:project-lib2</include>
        <include>com.group.id:project-lib3</include>
        <include>com.group.id:project-lib4</include>
      </includes>

    </dependencySet>
  </dependencySets>
</assembly>

由于您现在正在组装依赖项，因此最好在pom.xml中定义依赖项，如下所示：

  <dependencies>
    <dependency>
      <groupId>com.group.id</groupId>
      <artifactId>project-launch1</artifactId>
      <version>0.0.1-SNAPSHOT</version>
      <type>jar</type>
    </dependency>
    <dependency>
      <groupId>com.group.id</groupId>
      <artifactId>project-launch2</artifactId>
      <version>0.0.1-SNAPSHOT</version>
      <type>jar</type>
    </dependency>
    <dependency>
      <groupId>com.group.id</groupId>
      <artifactId>project-lib1</artifactId>
      <version>0.0.1-SNAPSHOT</version>
      <type>jar</type>
    </dependency>
    ... and so on ...
  </dependencies>

3）如果您要提供带有可执行JAR文件启动器的软件包，除了 maven-assembly-plugin maven-assembly-plugin配置>：

<dependencies> <dependency> <groupId>com.group.id</groupId> <artifactId>project-lib1</artifactId> <version>0.0.1-SNAPSHOT</version> <type>jar</type> </dependency> <dependency> <groupId>com.group.id</groupId> <artifactId>project-lib2</artifactId> <version>0.0.1-SNAPSHOT</version> <type>jar</type> </dependency> <dependency> <groupId>com.group.id</groupId> <artifactId>project-lib3</artifactId> <version>0.0.1-SNAPSHOT</version> <type>jar</type> </dependency> ... and so on ... </dependencies> <build> <plugins> <plugin> <artifactId>maven-jar-plugin</artifactId> <configuration> <archive> <addMavenDescriptor>false</addMavenDescriptor> <compress>true</compress> <manifest> <mainClass>com.group.id.Launcher1</mainClass> <addClasspath>true</addClasspath> <classpathPrefix>../lib/</classpathPrefix> </manifest> </archive> </configuration> </plugin> </plugins> </build>

请注意，“addClasspath”指令将项目依赖项添加到类路径中。这是JAR启动器所必需的，因为它们显式地忽略了所有CLASSPATH环境变量。

如何：Eclipse Maven安装带有依赖项的构建jar

1 个答案: