Java Spring注入在几个Maven项目中失败_Java_Spring_Maven 3

Java Spring注入在几个Maven项目中失败

java spring

Java Spring注入在几个Maven项目中失败,java,spring,maven-3,Java,Spring,Maven 3,我有两个与Maven一起构建的项目。第一个项目涉及持久性方面，而第二个项目涉及业务方面，最后一个项目必须使用第一个项目来持久化数据。第一个项目使用SpringDataJPA，第二个项目使用SpringMVC4 我需要配置第二个项目，第二个项目可以通过Spring注释使用依赖项注入来使用第一个项目。我的意思是，在第一个项目中，我在一个jar中有SpringJParepository接口，我想在第二个项目中使用@Autowired注释。我正在使用下一个配置： <?xml version

我有两个与Maven一起构建的项目。第一个项目涉及持久性方面，而第二个项目涉及业务方面，最后一个项目必须使用第一个项目来持久化数据。第一个项目使用SpringDataJPA，第二个项目使用SpringMVC4

我需要配置第二个项目，第二个项目可以通过Spring注释使用依赖项注入来使用第一个项目。我的意思是，在第一个项目中，我在一个jar中有SpringJParepository接口，我想在第二个项目中使用@Autowired注释。我正在使用下一个配置：

    <?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:jdbc="http://www.springframework.org/schema/jdbc"
    xmlns:jpa="http://www.springframework.org/schema/data/jpa"
    xsi:schemaLocation="http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-4.0.xsd
        http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-4.0.xsd
        http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/data/jpa http://www.springframework.org/schema/data/jpa/spring-jpa-1.3.xsd">


    <!-- Database configuraction -->
    <bean id="datasource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <property name="driverClassName" value="com.mysql.jdbc.Driver"/>
        <property name="url" value="jdbc:mysql://localhost/sch2db"/>
        <property name="username" value="root"/>
        <property name="password" value=""/>
    </bean>

    <!-- Entity Manager -->
    <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
       <property name="dataSource" ref="datasource"/>
       <property name="persistenceUnitName" value="persistenceUnitSHC2"/>
    </bean>

    <!-- Transaction manager -->
    <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
       <property name="entityManagerFactory" ref="entityManagerFactory"/>
    </bean>

    <!-- JPA Repositories -->
    <jpa:repositories base-package="com.sergio.SCH2.persistence.repositories"></jpa:repositories>

</beans>

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:context="http://www.springframework.org/schema/context"
    xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd
        http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">

    <!-- Uncomment and your base-package here: -->
         <context:component-scan
            base-package="com.sergio.SCH2.service"/>


    <mvc:annotation-driven />

    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
            <!-- Example: a logical view name of 'showMessage' is mapped to '/WEB-INF/jsp/showMessage.jsp' -->`enter code here`
            <property name="prefix" value="/WEB-INF/"/>
            <property name="suffix" value=".jsp"/>
    </bean>

</beans>

第一个项目pom：

<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/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>group.id</groupId>
    <artifactId>artifact_id</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>jar</packaging>
    <dependencies>
        <dependency>
            <groupId>org.springframework.data</groupId>
            <artifactId>spring-data-jpa</artifactId>
            <version>1.7.1.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-entitymanager</artifactId>
            <version>4.3.7.Final</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>4.1.3.RELEASE</version>
        </dependency>

        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.34</version>
        </dependency>

        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>jcl-over-slf4j</artifactId>
            <version>1.7.0</version>
            <scope>runtime</scope>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>1.7.0</version>
            <scope>runtime</scope>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-log4j12</artifactId>
            <version>1.7.0</version>
            <scope>runtime</scope>
        </dependency>
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>1.2.14</version>
            <scope>runtime</scope>
        </dependency>

        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
        </dependency>

    </dependencies>
    <build>
        <plugins>
            <plugin>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.1</version>
                <configuration>
                    <source>1.7</source>
                    <target>1.7</target>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>

第二个项目pom

<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/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>group.two</groupId>
  <artifactId>artifact_two</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <packaging>war</packaging>

  <properties>

        <!-- Generic properties -->
        <java.version>1.6</java.version>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>

        <!-- Web -->
        <jsp.version>2.2</jsp.version>
        <jstl.version>1.2</jstl.version>
        <servlet.version>2.5</servlet.version>


        <!-- Spring -->
        <spring-framework.version>4.1.0.RELEASE</spring-framework.version>

        <!-- Logging -->
        <logback.version>1.0.13</logback.version>
        <slf4j.version>1.7.5</slf4j.version>

        <!-- Test -->
        <junit.version>4.11</junit.version>

    </properties>

    <dependencies>

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

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

        <!-- Other Web dependencies -->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
            <version>${jstl.version}</version>
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>servlet-api</artifactId>
            <version>${servlet.version}</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>javax.servlet.jsp</groupId>
            <artifactId>jsp-api</artifactId>
            <version>${jsp.version}</version>
            <scope>provided</scope>
        </dependency>

        <!-- Spring and Transactions -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>${spring-framework.version}</version>
        </dependency>

        <!-- Logging with SLF4J & LogBack -->
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>${slf4j.version}</version>
            <scope>compile</scope>
        </dependency>       

        <!-- Test Artifacts -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>${spring-framework.version}</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>${junit.version}</version>
            <scope>test</scope>
        </dependency>

<!-- second project dependency -->
        <dependency>
            <groupId>group.id</groupId>
            <artifactId>artifact_id</artifactId>
            <scope>compile</scope>
            <version>0.0.1-SNAPSHOT</version>
        </dependency>
    </dependencies> 
</project>

如您所见，第一个项目编译为jar，而第二个项目编译为war。在第二个项目的pom中，您可以看到我对第一个项目有依赖性：

 <!-- second project dependency -->
    <dependency>
        <groupId>group.id</groupId>
        <artifactId>artifact_id</artifactId>
        <scope>compile</scope>
        <version>0.0.1-SNAPSHOT</version>
    </dependency>

当我尝试在第一个项目的第二个项目中注入任何@Services或@Component时，就会出现问题，因为我得到了一个依赖项注入错误：

坟墓：标准包装纸。可丢弃 org.springframework.beans.factory.BeanCreationException:创建名为“a”的bean时出错：自动连线依赖项的注入失败…：未找到符合依赖项类型b的合格bean：应至少有1个bean符合此依赖项的自动连线候选项的资格

这个错误出现在尝试从第一个项目注入@Services的bean中

我认为错误在于Maven项目的依赖性，但我已经尝试了搜索web时发现的许多东西，但没有任何效果

我的第一个spring项目配置：

    <?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:jdbc="http://www.springframework.org/schema/jdbc"
    xmlns:jpa="http://www.springframework.org/schema/data/jpa"
    xsi:schemaLocation="http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-4.0.xsd
        http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-4.0.xsd
        http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/data/jpa http://www.springframework.org/schema/data/jpa/spring-jpa-1.3.xsd">


    <!-- Database configuraction -->
    <bean id="datasource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <property name="driverClassName" value="com.mysql.jdbc.Driver"/>
        <property name="url" value="jdbc:mysql://localhost/sch2db"/>
        <property name="username" value="root"/>
        <property name="password" value=""/>
    </bean>

    <!-- Entity Manager -->
    <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
       <property name="dataSource" ref="datasource"/>
       <property name="persistenceUnitName" value="persistenceUnitSHC2"/>
    </bean>

    <!-- Transaction manager -->
    <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
       <property name="entityManagerFactory" ref="entityManagerFactory"/>
    </bean>

    <!-- JPA Repositories -->
    <jpa:repositories base-package="com.sergio.SCH2.persistence.repositories"></jpa:repositories>

</beans>

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:context="http://www.springframework.org/schema/context"
    xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd
        http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">

    <!-- Uncomment and your base-package here: -->
         <context:component-scan
            base-package="com.sergio.SCH2.service"/>


    <mvc:annotation-driven />

    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
            <!-- Example: a logical view name of 'showMessage' is mapped to '/WEB-INF/jsp/showMessage.jsp' -->`enter code here`
            <property name="prefix" value="/WEB-INF/"/>
            <property name="suffix" value=".jsp"/>
    </bean>

</beans>

我的第二个spring项目配置：

    <?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:jdbc="http://www.springframework.org/schema/jdbc"
    xmlns:jpa="http://www.springframework.org/schema/data/jpa"
    xsi:schemaLocation="http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-4.0.xsd
        http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-4.0.xsd
        http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/data/jpa http://www.springframework.org/schema/data/jpa/spring-jpa-1.3.xsd">


    <!-- Database configuraction -->
    <bean id="datasource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <property name="driverClassName" value="com.mysql.jdbc.Driver"/>
        <property name="url" value="jdbc:mysql://localhost/sch2db"/>
        <property name="username" value="root"/>
        <property name="password" value=""/>
    </bean>

    <!-- Entity Manager -->
    <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
       <property name="dataSource" ref="datasource"/>
       <property name="persistenceUnitName" value="persistenceUnitSHC2"/>
    </bean>

    <!-- Transaction manager -->
    <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
       <property name="entityManagerFactory" ref="entityManagerFactory"/>
    </bean>

    <!-- JPA Repositories -->
    <jpa:repositories base-package="com.sergio.SCH2.persistence.repositories"></jpa:repositories>

</beans>

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:context="http://www.springframework.org/schema/context"
    xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd
        http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">

    <!-- Uncomment and your base-package here: -->
         <context:component-scan
            base-package="com.sergio.SCH2.service"/>


    <mvc:annotation-driven />

    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
            <!-- Example: a logical view name of 'showMessage' is mapped to '/WEB-INF/jsp/showMessage.jsp' -->`enter code here`
            <property name="prefix" value="/WEB-INF/"/>
            <property name="suffix" value=".jsp"/>
    </bean>

</beans>

可能存在与您为第一个项目设置的groupId相关的问题

根据文档：-，应将groupId命名为包结构。

谢谢您的回答。在问题的说明中，我已经编写了as group.id用于说明目的，但在两个pom文件中我已经有了相同的group id-like包名结构。如果您对可能出现的问题有其他想法，我将感谢您。您可以发布第二个项目和第一个项目的spring配置XML文件吗？您好，我刚刚发布了两个项目的spring配置。请确认，您的第一个项目是spring JPA，第二个项目是spring MVC，您想在第一个项目中注入第二个项目的依赖关系？？是的，第一个项目是SpringJPA，第二个是SpringMVC。我的愿望是将第一个项目中的带注释类Spring@Services、@compent注入第二个项目。