MyEclipse不会将jar部署到WEB-INF / lib目录中

我将现有的Maven项目导入Eclipse，然后将其部署到tomcat中 . 当我看一下文件夹/ WEB-INF / lib时，我没有找到JAR文件 .

的pom.xml

<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>com.bookshop.main</groupId>
  <artifactId>BookShop</artifactId>
  <packaging>war</packaging>
  <version>1.0-SNAPSHOT</version>

  <properties>
    <spring.version>4.0.5.RELEASE</spring.version>
    <junit.version>4.11</junit.version>
  </properties>

  <dependencies>
    <dependency>
        <groupId>junit</groupId>
        <artifactId>junit</artifactId>
        <version>${junit.version}</version>
        <scope>test</scope>
    </dependency>

    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-framework</artifactId>
        <version>${spring.version}</version>
    </dependency>

    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-web</artifactId>
        <version>${spring.version}</version>
    </dependency>

    <dependency>
        <groupId>javax.servlet</groupId>
        <artifactId>javax.servlet-api</artifactId>
        <version>3.1.0</version>
    </dependency>

    <dependency>
        <groupId>com.fasterxml.jackson.core</groupId>
        <artifactId>jackson-core</artifactId>
        <version>2.3.0</version>
    </dependency>

    <dependency>
        <groupId>com.fasterxml.jackson.core</groupId>
        <artifactId>jackson-databind</artifactId>
        <version>2.3.0</version>
    </dependency>

    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-websocket</artifactId>
        <version>4.0.1.RELEASE</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-messaging</artifactId>
        <version>4.0.1.RELEASE</version>
    </dependency>

  </dependencies>
  <build>
    <finalName>BookShop</finalName>
  </build>
</project>

引用“eclipse项目右键单击 - >属性 - >部署程序集 - >添加 - > Java构建路径”，它没有帮助 .

你有什么想法吗？谢谢 .

顺便说一句：我重新部署时也收到以下错误消息：

无法重新部署，因为在部署阶段无法完全删除 .