小编mju*_*nes的帖子

好吧,在开始一个新的java项目并集成spring/hibernate等工具时,我是一个完全的初学者.事实上,这是我第一次这样做.所以我相信这些错误对你们来说是显而易见的.

Guessings:

• 我期待的会议工厂不是春天注入的工厂.
• 错误的依赖关系.

错误

[2016-07-28 01:29:14.869] boot - 22234 ERROR [http-nio-8080-exec-1] --- [dispatcherServlet]: Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is java.lang.ClassCastException: org.springframework.orm.jpa.EntityManagerHolder cannot be cast to org.springframework.orm.hibernate5.SessionHolder] with root cause
    java.lang.ClassCastException: org.springframework.orm.jpa.EntityManagerHolder cannot be cast to org.springframework.orm.hibernate5.SessionHolder
        at org.springframework.orm.hibernate5.HibernateTransactionManager.doGetTransaction(HibernateTransactionManager.java:376)

的pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<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>org.pse</groupId>
    <artifactId>plataforma-ejercicios</artifactId>
    <version>1.0-SNAPSHOT</version>

    <properties>
        <java.version>1.8</java.version>
        <org.springframework.version>4.3.1.RELEASE</org.springframework.version>
        <spring-boot-starter.version>1.3.5.RELEASE</spring-boot-starter.version>
        <org.hibernate.version>5.2.0.Final</org.hibernate.version>
        <mysql-connector-java.version>5.1.38</mysql-connector-java.version>
        <c3p0.version>0.9.1.2</c3p0.version>
    </properties>


    <dependencies>

        <dependency>
            <groupId>c3p0</groupId>
            <artifactId>c3p0</artifactId>
            <version>${c3p0.version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-orm</artifactId> …