在整篇文章的上下文中提供建议答案的完整响应：
创建类路径资源中定义的名为“entityManagerFactory”的 bean 时出错：调用 init方法失败
当我编译 Spring 项目时，出现以下错误。
创建类中定义的名为“entityManagerFactory”的 bean 时出错
路径资源
[org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaAutoConfiguration.class]:
调用init方法失败
我正在使用 STS Eclipse 和 MySql 数据库
Application.Properties 中的我的连接字符串是
spring .datasource.url=jdbc:mysql://localhost:3306/stgdb<br>spring.datasource.username=root<br>spring.datasource.password=root<br>spring.datasource.driver-class-name=com .mysql.jdbc.Driver<br>spring.jpa.hibernate.ddl-auto=update<br>
详细错误如下
============================================ =======
2016-10-15 15:34:38.875[0;39m [31mERROR[0;39m [35m3700[0;39m [2m---[0;39m [2m] [ main][0;39m [36mo.s.boot.SpringApplication [0;39m [2m:[0;39m 应用程序启动失败
org.springframework.beans.factory.BeanCreationException: 创建名称为 bean 时出错类路径资源 [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaAutoConfiguration.class] 中定义的“entityManagerFactory”：调用 init 方法失败；嵌套异常是 javax.persistence.PersistenceException: [PersistenceUnit: default] 无法构建 Hibernate SessionFactory
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1583) ~[spring-beans-4.3.3.RELEASE.jar:4.3.3.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:545) ~[spring-beans-4.3.3.RELEASE.jar:4.3.3.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482) ~[spring-beans-4.3.3.RELEASE.jar:4.3.3.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.getObject(AbstractBeanFactory.java:306) ~[spring-beans-4.3.3.RELEASE.jar:4.3.3.RELEASE] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) ~[spring-beans-4.3.3.RELEASE.jar:4.3.3.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) ~[spring-beans-4.3.3.RELEASE.jar:4.3.3.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) ~[spring-beans-4.3.3.RELEASE.jar:4.3.3.RELEASE] at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1076) ~[spring-context-4.3.3.RELEASE.jar:4.3.3.RELEASE] at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:851) ~[spring-context-4.3.3.RELEASE.jar:4.3.3.RELEASE] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:541) ~[spring-context-4.3.3.RELEASE.jar:4.3.3.RELEASE] at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:122) ~[spring-boot-1.4.1.RELEASE.jar:1.4.1.RELEASE] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:761) [spring-boot-1.4.1.RELEASE.jar:1.4.1.RELEASE] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:371) [spring-boot-1.4.1.RELEASE.jar:1.4.1.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:315) [spring-boot-1.4.1.RELEASE.jar:1.4.1.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1186) [spring-boot-1.4.1.RELEASE.jar:1.4.1.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1175) [spring-boot-1.4.1.RELEASE.jar:1.4.1.RELEASE] at com.s2g.testrestapplication.TestRestApplication.main(TestRestApplication.java:10) [classes/:na]
引起：javax.persistence.PersistenceException: [PersistenceUnit: default] 无法构建 Hibernate SessionFactory
at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.persistenceException(EntityManagerFactoryBuilderImpl.java:954) ~[hibernate-entitymanager-5.0.11.Final.jar:5.0.11.Final] at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:882) ~[hibernate-entitymanager-5.0.11.Final.jar:5.0.11.Final] at org.springframework.orm.jpa.vendor.SpringHibernateJpaPersistenceProvider.createContainerEntityManagerFactory(SpringHibernateJpaPersistenceProvider.java:60) ~[spring-orm-4.3.3.RELEASE.jar:4.3.3.RELEASE] at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:353) ~[spring-orm-4.3.3.RELEASE.jar:4.3.3.RELEASE] at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory(AbstractEntityManagerFactoryBean.java:373) ~[spring-orm-4.3.3.RELEASE.jar:4.3.3.RELEASE] at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.afterPropertiesSet(AbstractEntityManagerFactoryBean.java:362) ~[spring-orm-4.3.3.RELEASE.jar:4.3.3.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1642) ~[spring-beans-4.3.3.RELEASE.jar:4.3.3.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1579) ~[spring-beans-4.3.3.RELEASE.jar:4.3.3.RELEASE] ... 16 common frames omitted
引起：org.hibernate.exception.GenericJDBCException：无法获取 JDBC 连接
at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:47) ~[hibernate-core-5.0.11.Final.jar:5.0.11.Final] at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) ~[hibernate-core-5.0.11.Final.jar:5.0.11.Final] at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:95) ~[hibernate-core-5.0.11.Final.jar:5.0.11.Final] at org.hibernate.tool.schema.extract.internal.ExtractionContextImpl.getJdbcConnection(ExtractionContextImpl.java:65) ~[hibernate-core-5.0.11.Final.jar:5.0.11.Final] at org.hibernate.tool.schema.extract.internal.ExtractionContextImpl.getJdbcDatabaseMetaData(ExtractionContext
以上是本文描述了一个 Spring boot 项目由于创建'entityManagerFactory”错误而无法启动。错误信息表明`entityManagerFactory` fa 的`init`方法的详细内容。更多信息请关注PHP中文网其他相关文章！
