Spring Boot 1.5.3 传递依赖未解决答案

【问题标题】：Spring Boot 1.5.3 transitive dependency not resolvedSpring Boot 1.5.3 传递依赖未解决
【发布时间】：2017-10-11 09:37:15
【问题描述】：

我已更新到 Spring Boot 1.5.3，作为升级的一部分，我已将 pom.xml 中的 spring-boot-starter-ws.jar 替换为 spring-boot-starter-web-services.jar。但是我遇到了传递依赖项spring-ws-core.jar 之一的问题。下面是截图

下面是依赖层次

不知道为什么找不到这个依赖的类。有什么建议吗？

<dependencies>
    <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>javax.servlet-api</artifactId>
      <scope>provided</scope>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-aop</artifactId>
    </dependency>

    <!-- 
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-test</artifactId>
      <scope>test</scope>
    </dependency>
     -->

    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-test</artifactId>
      <scope>test</scope>
    </dependency>

    <!-- for SpringDispatcher Servlet -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-webmvc</artifactId>
    </dependency>

    <!-- for HttpInvoker -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-web</artifactId>
    </dependency>

    <!-- JSP -->
    <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>jstl</artifactId>
    </dependency>

    <!-- Spring Security -->
    <!--
      <dependency>
      <groupId>org.springframework.security</groupId>
      <artifactId>spring-security-web</artifactId>
      </dependency>

      <dependency>
      <groupId>org.springframework.security</groupId>
      <artifactId>spring-security-config</artifactId>
      </dependency>
    -->

    <!-- for Object Relational Mapping (JPA/Hibernate) -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-orm</artifactId>
    </dependency>

    <!-- Hibernate EntityManager for JPA (implementation) -->
    <dependency>
      <groupId>org.hibernate</groupId>
      <artifactId>hibernate-entitymanager</artifactId>
    </dependency>

    <!-- Database -->
    <dependency>
      <groupId>com.h2database</groupId>
      <artifactId>h2</artifactId>
    </dependency>

    <dependency>
      <groupId>org.flywaydb</groupId>
      <artifactId>flyway-core</artifactId>
    </dependency>

    <!-- hibernate -->
    <dependency>
      <groupId>org.hibernate.javax.persistence</groupId>
      <artifactId>hibernate-jpa-2.1-api</artifactId>
    </dependency>
    <dependency>
      <groupId>cglib</groupId>
      <artifactId>cglib</artifactId>
    </dependency>
    <dependency>
      <groupId>org.hibernate</groupId>
      <artifactId>hibernate-validator</artifactId>
    </dependency>

    <!-- CXF for REST and Webservices -->
    <dependency>
      <groupId>org.apache.cxf</groupId>
      <artifactId>cxf-rt-frontend-jaxws</artifactId>
      <exclusions>
        <exclusion>
          <groupId>asm</groupId>
          <artifactId>asm</artifactId>
        </exclusion>
      </exclusions>
    </dependency>

    <dependency>
      <groupId>org.apache.cxf</groupId>
      <artifactId>cxf-rt-frontend-jaxrs</artifactId>
    </dependency>

    <dependency>
      <groupId>org.apache.cxf</groupId>
      <artifactId>cxf-rt-rs-client</artifactId>
    </dependency>

    <dependency>
      <groupId>org.apache.cxf</groupId>
      <artifactId>cxf-rt-rs-service-description</artifactId>
    </dependency>

    <dependency>
      <groupId>org.apache.cxf</groupId>
      <artifactId>cxf-rt-transports-http</artifactId>
    </dependency>

    <dependency>
      <groupId>com.fasterxml.jackson.jaxrs</groupId>
      <artifactId>jackson-jaxrs-json-provider</artifactId>
    </dependency>

    <!-- Web Sockets -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-websocket</artifactId>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-messaging</artifactId>
    </dependency>

    <!-- Tests -->
    <dependency>
      <groupId>org.springframework.batch</groupId>
      <artifactId>spring-batch-test</artifactId>
      <scope>test</scope>
    </dependency>

    <dependency>
      <groupId>io.oasp.java.modules</groupId>
      <artifactId>oasp4j-test</artifactId>
      <scope>test</scope>
    </dependency>

    <dependency>
      <groupId>javax.el</groupId>
      <artifactId>javax.el-api</artifactId>
    </dependency>

    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-web</artifactId>
    </dependency>

    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-jdbc</artifactId>
    </dependency>

    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-actuator</artifactId>
    </dependency>

    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-security</artifactId>
    </dependency>

    <dependency>
      <groupId>org.scala-lang</groupId>
      <artifactId>scala-library</artifactId>
      <version>2.10.4</version>
    </dependency>

    <!--   
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-ws</artifactId>
    </dependency>
     -->

    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-web-services</artifactId>
      <version>1.5.2.RELEASE</version>
    </dependency>

    <dependency>
      <groupId>com.mysema.querydsl</groupId>
      <artifactId>querydsl-apt</artifactId>
      <version>3.4.3</version>
      <scope>provided</scope>
    </dependency>

    <dependency>
      <groupId>com.mysema.querydsl</groupId>
      <artifactId>querydsl-jpa</artifactId>
      <version>3.7.1</version>
    </dependency>

    <dependency>
      <groupId>org.skyscreamer</groupId>
      <artifactId>jsonassert</artifactId>
      <version>1.3.0</version>
    <scope>test</scope>
    </dependency>
  </dependencies>

  <build>
    <resources>
      <resource>
        <directory>src/main/resources</directory>
        <filtering>true</filtering>
      </resource>
    </resources>
    <plugins>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-jar-plugin</artifactId>
        <configuration>
          <excludes>
            <exclude>config/application.properties</exclude>
          </excludes>
        </configuration>
      </plugin>
    </plugins>
  </build>

</project>

【问题讨论】：

显示你的 pom.xml
我刚刚下载了spring-ws-core-2.4.0.RELEASE.jar 文件，它包含org/springframework/ws/server/endpoint/adapter/method/MethodReturnValueHandler.class 文件。也许您的文件下载不正确？
@Andreas 它也存在于我的依赖项中，但没有从类路径中选择。
对于初学者来说，清理你的 pom.您正在使用启动器，因此无需再次声明各个依赖项（这是启动器的重点）。此外，您的设置存在缺陷，请从配置中删除 jar 插件，您应该使用 spring-boot-maven-plugin 创建正确的可执行 jar（或 war）。

标签： java spring maven spring-boot dependencies

【解决方案1】：

如果您的公司政策没有阻止您定义<parent>，那么您可以添加：

<parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>1.5.3.RELEASE</version>
</parent>

效果将是你的 POM 将有一个父 spring-boot-starter-parent 引用 spring-boot-dependencies，它定义了公共依赖项及其相关版本。

所以会自动为你添加以下内容：

        <dependency>
            <groupId>org.springframework.ws</groupId>
            <artifactId>spring-ws-core</artifactId>
            <version>${spring-ws.version}</version>
            <exclusions>
                <exclusion>
                    <groupId>commons-logging</groupId>
                    <artifactId>commons-logging</artifactId>
                </exclusion>
            </exclusions>
        </dependency>

其中spring-ws.version 定义为：

<properties>
    ...
    <spring-ws.version>2.4.0.RELEASE</spring-ws.version>
    ...
</properties>

文档：可通过here获取。

如果不允许设置<parent>，则可以关注these instructions。

【讨论】：