java - Spring 和 Hibernate 依赖关系尚未解决

Question

对于所有导入的包，我都收到此错误消息“导入组织......无法解析”。我的 Spring 和 Hibernate 依赖关系没有得到解决。我尝试了多种解决方案来修复此错误，但没有任何效果，以下是我尝试过的解决方案。

1. Maven => 更新项目但同样的错误。还做了 => 强制更新快照/发布
2. 我还尝试右键单击该项目并选择“属性”，然后选择“Maven”。取消选中标有“解决工作区项目的依赖关系”的框，点击“应用”，然后点击“确定”
3. 删除了我的本地 Maven 存储库、.m2 目录并重新启动了 Eclipse。

/image/LCUta.png

'''

<modelVersion>4.0.0</modelVersion>
<groupId>com.luv2code.springdemo</groupId>
<artifactId>spring-crm-rest</artifactId>
<version>1.0.0</version>
<packaging>war</packaging>

<properties>
    <springframework.version>5.0.6.RELEASE</springframework.version>
    <hibernate.version>5.4.1.Final</hibernate.version>
    <mysql.connector.version>5.1.45</mysql.connector.version>
    <c3po.version>0.9.5.2</c3po.version>

    <maven.compiler.source>1.8</maven.compiler.source>
    <maven.compiler.target>1.8</maven.compiler.target>
</properties>

<dependencies>

    <!-- Spring -->
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-webmvc</artifactId>
        <version>${springframework.version}</version>
    </dependency>

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

    <!-- Add Jackson for JSON converters -->
    <dependency>
        <groupId>com.fasterxml.jackson.core</groupId>
        <artifactId>jackson-databind</artifactId>
        <version>2.9.5</version>
    </dependency>

    <!-- Hibernate -->
    <dependency>
        <groupId>org.hibernate</groupId>
        <artifactId>hibernate-core</artifactId>
        <version>${hibernate.version}</version>
    </dependency>

    <!-- MySQL -->
    <dependency>
        <groupId>mysql</groupId>
        <artifactId>mysql-connector-java</artifactId>
        <version>${mysql.connector.version}</version>
    </dependency>

    <!-- C3PO -->
    <dependency>
        <groupId>com.mchange</groupId>
        <artifactId>c3p0</artifactId>
        <version>${c3po.version}</version>
    </dependency>

    <!-- Servlet+JSP+JSTL -->
    <dependency>
        <groupId>javax.servlet</groupId>
        <artifactId>javax.servlet-api</artifactId>
        <version>3.1.0</version>
    </dependency>

    <dependency>
        <groupId>javax.servlet.jsp</groupId>
        <artifactId>javax.servlet.jsp-api</artifactId>
        <version>2.3.1</version>
    </dependency>

    <dependency>
        <groupId>javax.servlet</groupId>
        <artifactId>jstl</artifactId>
        <version>1.2</version>
    </dependency>


    <!-- to compensate for java 9 not including jaxb -->
    <dependency>
        <groupId>javax.xml.bind</groupId>
        <artifactId>jaxb-api</artifactId>
        <version>2.3.0</version>
    </dependency>

</dependencies>

<build>

    <finalName>spring-crm-rest</finalName>

    <plugins>

        <!-- Builds a Web Application Archive (WAR) file from the project output 
            and its dependencies. -->
        <plugin>
            <!-- Add Maven coordinates (GAV) for: maven-war-plugin -->
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-war-plugin</artifactId>
            <version>3.2.0</version>
        </plugin>

    </plugins>
</build>

'''

Answer 1

第一步，您需要从项目根目录中的终端运行 mvn clean install 命令。通过这种方式，您将“将包安装到本地存储库中，以用作依赖项”。之后，您肯定需要刷新工作区并运行 mvn update