Question

我有一个java rest服务客户端，我使用maven-assembly-plugin打包。我正在创建一个包含所有依赖项和一个jar-with-dependencies的zip文件。所以我最终得到了：

my-client-1.2-bin.zip
my-client-1.2-jar-with-dependencies.jar

我编写了一个小型测试java应用程序来调用客户端，以便我可以测试依赖项。如果我解压缩依赖zip并将所有jar添加到类路径，我就能成功使用客户端。如果我尝试仅将jar-with-dependency添加到我的类路径，它将失败，除非我还将RestEasy Jackson2Provider jar添加到我的类路径中。我已经确认了ResetEasy Jackson2Provider可以在jar-with-dependency jar文件中找到。

这是我的pom的相关部分：

  <dependencies>
    <!-- https://mvnrepository.com/artifact/org.jboss.resteasy/resteasy-jaxrs -->
    <dependency>
      <groupId>org.jboss.resteasy</groupId>
      <artifactId>resteasy-jaxrs</artifactId>
      <version>3.1.2.Final</version>
      <scope>runtime</scope>
    </dependency>
    <!-- https://mvnrepository.com/artifact/org.jboss.resteasy/resteasy-jackson2-provider -->
    <dependency>
      <groupId>org.jboss.resteasy</groupId>
      <artifactId>resteasy-jackson2-provider</artifactId>
      <version>3.1.2.Final</version>
    <scope>runtime</scope>
    </dependency>
    <!-- https://mvnrepository.com/artifact/org.jboss.resteasy/resteasy-client -->
    <dependency>
      <groupId>org.jboss.resteasy</groupId>
      <artifactId>resteasy-client</artifactId>
      <version>3.1.2.Final</version>
    <scope>runtime</scope>
    </dependency>
    <!-- https://mvnrepository.com/artifact/org.jboss.resteasy/resteasy-jaxb-provider -->
    <dependency>
      <groupId>org.jboss.resteasy</groupId>
      <artifactId>resteasy-jaxb-provider</artifactId>
      <version>3.1.2.Final</version>
    <scope>runtime</scope>
    </dependency>
    <!-- https://mvnrepository.com/artifact/org.jboss.resteasy/resteasy-jaxrs-services -->
    <dependency>
      <groupId>org.jboss.resteasy</groupId>
      <artifactId>resteasy-jaxrs-services</artifactId>
      <version>3.1.2.Final</version>
    <scope>runtime</scope>
    </dependency>
    <!-- https://mvnrepository.com/artifact/org.apache.httpcomponents/httpcore -->
    <dependency>
      <groupId>org.apache.httpcomponents</groupId>
      <artifactId>httpcore</artifactId>
      <version>4.4.6</version>
    <scope>runtime</scope>
    </dependency>
    <!-- https://mvnrepository.com/artifact/org.apache.httpcomponents/httpclient -->
    <dependency>
      <groupId>org.apache.httpcomponents</groupId>
      <artifactId>httpclient</artifactId>
      <version>4.5.3</version>
    <scope>runtime</scope>
    </dependency>
    <!-- https://mvnrepository.com/artifact/org.jboss.logging/jboss-logging -->
    <dependency>
      <groupId>org.jboss.logging</groupId>
      <artifactId>jboss-logging</artifactId>
      <version>3.3.1.Final</version>
    <scope>runtime</scope>
    </dependency>
    <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.jaxrs/jackson-jaxrs-base -->
    <dependency>
      <groupId>com.fasterxml.jackson.jaxrs</groupId>
      <artifactId>jackson-jaxrs-base</artifactId>
      <version>2.8.8</version>
    <scope>runtime</scope>
    </dependency>
  </dependencies>
  <build>
    <plugins>
      <plugin>
        <artifactId>maven-assembly-plugin</artifactId>
        <version>2.6</version>
        <configuration>
          <dependencySets>
            <dependencySet>
              <outputDirectory>lib</outputDirectory>
              <scope>runtime</scope>
            </dependencySet>
          </dependencySets>
          <descriptors>
            <descriptor>src/assembly/client.xml</descriptor>
          </descriptors>
          <descriptorRefs>
            <descriptorRef>jar-with-dependencies</descriptorRef>
          </descriptorRefs>
        </configuration>
        <executions>
          <execution>
            <id>make-assembly</id>
            <phase>package</phase>
            <goals>
              <goal>single</goal>
            </goals>
          </execution>
        </executions>
      </plugin>
    </plugins>
  </build>
  <pluginRepositories>
    <pluginRepository>
      <id>onejar-maven-plugin.googlecode.com</id>
      <url>http://onejar-maven-plugin.googlecode.com/svn/mavenrepo</url>
    </pluginRepository>
  </pluginRepositories>

的src /组件/ client.xml的

<?xml version="1.0" encoding="UTF-8"?>
<assembly
  xmlns="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.2"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="
    http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.2
      http://maven.apache.org/xsd/assembly-1.1.2.xsd">

  <id>bin</id>
  <formats>
    <format>zip</format>
    <format>tar.gz</format>
  </formats>
  <dependencySets>
    <dependencySet>
      <outputDirectory>lib</outputDirectory>
      <scope>runtime</scope>
    </dependencySet>
  </dependencySets>
</assembly>

Answer 1

使用阴影插件时，我遇到了类似的问题。这是因为元数据文件夹中的转换器被阴影/装配体插件覆盖。我可以使用以下方法解决该问题

<build>
<plugins>
    <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-shade-plugin</artifactId>
        <executions>
            <execution>
                <phase>package</phase>
                <goals>
                    <goal>shade</goal>
                </goals>
                <configuration>
                    <transformers>
                        <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
                            <mainClass>path.to.your.main.Class</mainClass>
                        </transformer>
                        <transformer implementation="org.apache.maven.plugins.shade.resource.AppendingTransformer">
                            <resource>META-INF/spring.handlers</resource>
                        </transformer>
                        <transformer implementation="org.apache.maven.plugins.shade.resource.AppendingTransformer">
                            <resource>META-INF/spring.schemas</resource>
                        </transformer>
                        <transformer
                                implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer" />
                    </transformers>
                </configuration>
            </execution>
        </executions>
    </plugin>
</plugins>

如何在jar-with-dependencies中包含RestEasy Jackson2Provider？

1 个答案: