entityManagerFactory NoClassDefoundError

Question

NoClassDefoundError.：创建名为“Entity ManagerFactory”的bean时出错

也许您知道我应该将哪个依赖项包含到pom.xml中。Maven项目。以下是我的资料：

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

    <dependency>
        <groupId>org.apache.derby</groupId>
        <artifactId>derby</artifactId>
        <scope>runtime</scope>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-test</artifactId>
        <scope>test</scope>
    </dependency>
</dependencies>

UnsatisfiedDependencyException：创建类路径资源[org/SpringFramework/Boot/AutoConfigure/orm/jpa/HibernateJPAAutoConfiguration.class]中定义的名为“Entity ManagerFactory”的bean时出错：通过方法“Entity ManagerFactory”参数0表示的不满足的依赖关系；嵌套异常为org.springframework.beans.factory.unsatisfiedDependencyException：创建类路径资源[org/springframework/boot/autociguration/orm/jpa/hibernatejpaautociguration.class]中定义的名为“Entity ManagerFactoryBuilder”的bean时出错：通过方法“Entity ManagerFactoryBuilder”参数0表示的不满足的依赖关系；嵌套异常为org.springframework.beans.factory.beanCreationException：创建类路径资源[org/springframework/boot/autociguration/orm/jpa/hibernatejpaautociguration.class]中定义的名为'jpa vendoradapter‘的bean时出错：通过工厂方法实例化bean失败；嵌套异常为org.springframework.beans.beanInstantiationException：实例化[org.springframework.orm.jpa.jpavendoradapter]失败：工厂方法“jpa vendoradapter”引发异常；嵌套异常为java.lang.NoClassDefoundError：

Answer 1

hibernate-core和hibernate-entitymanager通过spring-boot-starter-data-jpa可传递地包含

编辑：您是否可以首先尝试删除本地的.m2/repository？有时它会被腐蚀。

rm-rf~/.m2/repository