java 没有为限定符“transactionManager”找到匹配的 PlatformTransactionManager bean

No matching PlatformTransactionManager bean found for qualifier 'transactionManager'

提问by surendra c

I am new to spring world. I have been trying to write a basic application using spring data, JPA using Hibernate and MYSql Database. I am seeing the error:

我是春天世界的新手。我一直在尝试使用 spring 数据编写一个基本的应用程序，使用 Hibernate 和 MYSql 数据库编写 JPA。我看到错误：

No matching PlatformTransactionManager bean found for qualifier 'transactionManager'

没有为限定符“transactionManager”找到匹配的 PlatformTransactionManager bean

Here is my spring-config.xml:

这是我的 spring-config.xml：

    <?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:jpa="http://www.springframework.org/schema/data/jpa" 
    xmlns:context="http://www.springframework.org/schema/context" 
    xmlns:tx="http://www.springframework.org/schema/tx"
    xsi:schemaLocation="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
    http://www.springframework.org/schema/tx
    http://www.springframework.org/schema/tx/spring-tx.xsd
    http://www.springframework.org/schema/data/jpa
    http://www.springframework.org/schema/data/jpa/spring-jpa.xsd">

    <jpa:repositories base-package="com.levadata.models" />
    <context:component-scan base-package="com.levadata" />

    <bean id="dataSource"
    class="org.springframework.jdbc.datasource.DriverManagerDataSource">
    <property name="driverClassName" value="com.mysql.jdbc.Driver" />
    <property name="url" value="jdbc:mysql://localhost:3306/levadata_beta" />
     <property name="username" value="root" />
    <property name="password" value="root" />
    </bean>

    <bean id="jpaDialect" class="org.springframework.orm.jpa.vendor.HibernateJpaDialect" />

    <bean id="jpaVendorAdapter"
    class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">
    </bean>

      <bean id="entityManagerFactory"
    class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
    <property name="persistenceUnitName" value="jcgPersistence" />
    <property name="dataSource" ref="dataSource" />
    <property name="persistenceXmlLocation" value="META-INF/persistence.xml" />
    <property name="jpaVendorAdapter" ref="jpaVendorAdapter" />
    <property name="jpaDialect" ref="jpaDialect" />
    <property name="jpaProperties">
     <props>
        <prop key="hibernate.hbm2ddl.auto">update</prop>
        <prop key="hibernate.dialect">org.hibernate.dialect.MySQL5Dialect</prop>
        </props>
     </property>
  </bean>

    <bean id="txManager" class="org.springframework.orm.jpa.JpaTransactionManager">
        <property name="entityManagerFactory" ref="entityManagerFactory" />
        <property name="dataSource" ref="dataSource" />
        <property name="jpaDialect" ref="jpaDialect" />
   </bean>

       <tx:annotation-driven transaction-manager="txManager" />

</beans>

Here is my Employee.java(myPOJO):

这是我的 Employee.java(myPOJO)：

@Entity
@Table(name = "employee")
public class Employee {

@Id
@GeneratedValue(strategy = GenerationType.AUTO)
@Column(name = "employee_id")
private long employeeId;

@Column(name = "employee_name")
private String employeeName;

public Employee() {
}

public Employee(String employeeName) {
    this.employeeName = employeeName;
}

public long getEmployeeId() {
    return this.employeeId;
}

public void setEmployeeId(long employeeId) {
    this.employeeId = employeeId;
}

public String getEmployeeName() {
    return this.employeeName;
}

public void setEmployeeName(String employeeName) {
    this.employeeName = employeeName;
}
}

Here is my repository:

这是我的存储库：

public interface EmployeeRepository extends JpaRepository<Employee, Long>
{
  Employee save(Employee employee);

  //@Query("select distinct employee_name from employee")
  //public Slice<String> findAllDistinctNames(Pageable pageable);
  public Slice<String> findAllByEmployeeName(Pageable pageable);
}

public interface EmployeeRepository extends JpaRepository<Employee, Long>
{
  Employee save(Employee employee);

  //@Query("select distinct employee_name from employee")
  //public Slice<String> findAllDistinctNames(Pageable pageable);
  public Slice<String> findAllByEmployeeName(Pageable pageable);
}

Finally My POM.xml:

最后我的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/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.levadata</groupId>
<artifactId>exampleLytica</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<name>exampleLytica</name>

<properties>
    <spring.version>4.2.1.RELEASE</spring.version>
    <spring-data.version>Gosling-RELEASE</spring-data.version>

    <!-- The main class to start by executing java -jar -->
    <start-class>com.levadata.Application</start-class>

</properties> 

<dependencyManagement>
    <dependencies>
        <dependency>
            <groupId>org.springframework.data</groupId>
            <artifactId>spring-data-releasetrain</artifactId>
            <version>${spring-data.version}</version>
            <scope>import</scope>
            <type>pom</type>
        </dependency>
    </dependencies>
</dependencyManagement>


<dependencies>
    <dependency>
        <groupId>com.google.code.gson</groupId>
        <artifactId>gson</artifactId>
        <version>2.3.1</version>
    </dependency>
    <dependency>
        <groupId>org.apache.httpcomponents</groupId>
        <artifactId>httpclient</artifactId>
        <version>4.5.1</version>
    </dependency>
    <dependency>
        <groupId>org.springframework.data</groupId>
        <artifactId>spring-data-jpa</artifactId>

    </dependency>
    <dependency>
        <groupId>org.apache.tomcat</groupId>
        <artifactId>tomcat-util</artifactId>
        <version>8.0.0-RC1</version>
    </dependency>
    <dependency>
        <groupId>com.zaxxer</groupId>
        <artifactId>HikariCP</artifactId>
        <version>2.2.5</version>
    </dependency>

    <!-- JPA Provider (Hibernate) -->

    <dependency>
        <groupId>mysql</groupId>
        <artifactId>mysql-connector-java</artifactId>
        <version>5.1.37</version>
    </dependency>
<dependency>
         <groupId>org.hibernate</groupId>
         <artifactId>hibernate-core</artifactId>
         <version>5.0.2.Final</version>
 </dependency>

 <!-- for JPA, use hibernate-entitymanager instead of hibernate-core -->
 <dependency>
 <groupId>org.hibernate</groupId>
 <artifactId>hibernate-entitymanager</artifactId>
 <version>5.0.2.Final</version>
 </dependency>

 <!-- optional -->

<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-osgi</artifactId>
<version>5.0.2.Final</version>
</dependency>

<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-envers</artifactId>
<version>5.0.2.Final</version>
</dependency>

<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-c3p0</artifactId>
<version>5.0.2.Final</version>
</dependency>

<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-proxool</artifactId>
<version>5.0.2.Final</version>
</dependency>

<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-infinispan</artifactId>
<version>5.0.2.Final</version>
</dependency>

<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-ehcache</artifactId>
<version>5.0.2.Final</version>
</dependency>

<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-validator</artifactId>
<version>5.2.2.Final</version>
</dependency>
</dependencies>

<build>
    <plugins>
        <plugin>
            <artifactId>maven-compiler-plugin</artifactId>
            <version>3.3</version>
            <configuration>
                <source>1.8</source>
                <target>1.8</target>
            </configuration>
        </plugin>
        <plugin>
            <artifactId>maven-war-plugin</artifactId>
            <version>2.6</version>
            <configuration>
                <warSourceDirectory>WebContent</warSourceDirectory>
                <failOnMissingWebXml>false</failOnMissingWebXml>
            </configuration>
        </plugin>
    </plugins>
</build>
</project>

My Main method:

我的主要方法：

public static void main(String[] args)
    {
            try
            {
                    ApplicationContext context = new ClassPathXmlApplicationContext("spring-configuration.xml");
                    System.out.println("Context : " + context);
                    //Fetch the DAO from Spring Bean Factory
                    EmployeeRepository repository = (EmployeeRepository)context.getBean("employeeRepository");
                    Employee employee = new Employee("Employee123");
                    //employee.setEmployeeId("1");

                    //Save an employee Object using the configured Data source
                    repository.save(employee);
                    System.out.println("Employee Saved with EmployeeId "+employee.getEmployeeId());

                    //find an object using Primary Key
                    Employee emp = repository.findOne(employee.getEmployeeId());
                    System.out.println(emp);

                    //Close the ApplicationContext
                    ((ConfigurableApplicationContext)context).close();

            }
            catch (BeansException e)
            {
                    e.printStackTrace();
            }
    }

When I run the code, I am getting below stack trace:

当我运行代码时，我得到了堆栈跟踪：

org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'transactionManager' is defined: No matching PlatformTransactionManager bean found for qualifier 'transactionManager' - neither qualifier match nor bean name match!
at org.springframework.beans.factory.annotation.BeanFactoryAnnotationUtils.qualifiedBeanOfType(BeanFactoryAnnotationUtils.java:100)
at org.springframework.beans.factory.annotation.BeanFactoryAnnotationUtils.qualifiedBeanOfType(BeanFactoryAnnotationUtils.java:56)
at org.springframework.transaction.interceptor.TransactionAspectSupport.determineQualifiedTransactionManager(TransactionAspectSupport.java:377)
at org.springframework.transaction.interceptor.TransactionAspectSupport.determineTransactionManager(TransactionAspectSupport.java:361)
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:271)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:136)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:119)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:207)
at com.sun.proxy.$Proxy20.save(Unknown Source)
at com.levadata.SpringDataDemo.main(SpringDataDemo.java:26)

Any idea, which piece I am missing here.

任何想法，我在这里缺少哪一块。

回答by VDanyliuk

May be Spring wants transaction manager and default name is transactionManager. So try to rename txManager to transactionManager. Or specify current manager name where it needs.

可能是 Spring 需要事务管理器，默认名称是 transactionManager。所以尝试将 txManager 重命名为 transactionManager。或者在需要的地方指定当前的经理名称。