在整篇文章的上下文中提供建議答案的完整回應：
建立類路徑資源中定義的名為「entityManagerFactory」的bean 時出錯：調用init方法失敗
當我編譯Spring 專案時，出現以下錯誤。
建立類別中定義的名為「entityManagerFactory」的bean 時發生錯誤
路徑資源
[org/springframework/boot/autoconfigure/orm/jpa/ HibernateJpaAutoConfiguration.class]:
呼叫init方法失敗
我正在使用STS Eclipse 和MySql 資料庫
Appli .Properties 中的我的連接字串是
spring .datasource.url=jdbc:mysql://localhost:3306/stgdb<p>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>=update<br>=update </p><p></p><p>詳細錯誤如下</p><p>========================== ==================== =======</p><p>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 應用程式啟動失敗</p><p>org.springframework.beans.factory.BeanCreationException: 建立名稱為bean 時出錯類別路徑資源[org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaAutoConfiguFactorration.class] 中定義的「Manager」呼叫init 方法失敗；巢狀異常是javax.persistence.PersistenceException: [PersistenceUnit: default] 無法建構Hibernate SessionFactory</p><pre class="brush:php;toolbar:false">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]
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引起：javax.persistence.Pistence defion): 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
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引起：org.hibernate.exception.GenericJDBCException：無法取得JDBC 連線
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
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以上是本文描述了一個 Spring boot 專案由於建立「entityManagerFactory」錯誤而無法啟動。錯誤訊息表示`entityManagerFactory` fa 的`init`方法的詳細內容。更多資訊請關注PHP中文網其他相關文章！
