springboot JPA不能創建表

我用springboot起動數據，JPA持續性我的實體，當我設置springboot JPA不能創建表

spring.jpa.hibernate.ddl-auto=update

出現錯誤，但價值創造或創建降，事情很好，創建了所有的表格。

誤差低於：

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaAutoConfiguration.class]: Invocation of init method failed; nested exception is javax.persistence.PersistenceException: [PersistenceUnit: default] Unable to build Hibernate SessionFactory 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1578) ~[spring-beans-4.3.2.RELEASE.jar:4.3.2.RELEASE] 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:545) ~[spring-beans-4.3.2.RELEASE.jar:4.3.2.RELEASE] 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482) ~[spring-beans-4.3.2.RELEASE.jar:4.3.2.RELEASE] 
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) ~[spring-beans-4.3.2.RELEASE.jar:4.3.2.RELEASE] 
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) ~[spring-beans-4.3.2.RELEASE.jar:4.3.2.RELEASE] 
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) ~[spring-beans-4.3.2.RELEASE.jar:4.3.2.RELEASE] 
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) ~[spring-beans-4.3.2.RELEASE.jar:4.3.2.RELEASE] 
    at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1076) ~[spring-context-4.3.2.RELEASE.jar:4.3.2.RELEASE] 
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:851) ~[spring-context-4.3.2.RELEASE.jar:4.3.2.RELEASE] 
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:541) ~[spring-context-4.3.2.RELEASE.jar:4.3.2.RELEASE] 
    at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:122) ~[spring-boot-1.4.0.BUILD-SNAPSHOT.jar:1.4.0.BUILD-SNAPSHOT] 
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:759) [spring-boot-1.4.0.BUILD-SNAPSHOT.jar:1.4.0.BUILD-SNAPSHOT] 
    at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:369) [spring-boot-1.4.0.BUILD-SNAPSHOT.jar:1.4.0.BUILD-SNAPSHOT] 
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:313) [spring-boot-1.4.0.BUILD-SNAPSHOT.jar:1.4.0.BUILD-SNAPSHOT] 
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1185) [spring-boot-1.4.0.BUILD-SNAPSHOT.jar:1.4.0.BUILD-SNAPSHOT] 
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1174) [spring-boot-1.4.0.BUILD-SNAPSHOT.jar:1.4.0.BUILD-SNAPSHOT] 
    at com.fliaping.wifi.auth.Application.main(Application.java:25) [main/:na] 
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_65] 
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_65] 
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_65] 
    at java.lang.reflect.Method.invoke(Method.java:497) ~[na:1.8.0_65] 
    at com.intellij.rt.execution.application.AppMain.main(AppMain.java:144) [idea_rt.jar:na] 
Caused by: javax.persistence.PersistenceException: [PersistenceUnit: default] Unable to build Hibernate SessionFactory 
    at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.persistenceException(EntityManagerFactoryBuilderImpl.java:954) ~[hibernate-entitymanager-5.0.9.Final.jar:5.0.9.Final] 
    at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:882) ~[hibernate-entitymanager-5.0.9.Final.jar:5.0.9.Final] 
    at org.springframework.orm.jpa.vendor.SpringHibernateJpaPersistenceProvider.createContainerEntityManagerFactory(SpringHibernateJpaPersistenceProvider.java:60) ~[spring-orm-4.3.2.RELEASE.jar:4.3.2.RELEASE] 
    at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:338) ~[spring-orm-4.3.2.RELEASE.jar:4.3.2.RELEASE] 
    at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory(AbstractEntityManagerFactoryBean.java:373) ~[spring-orm-4.3.2.RELEASE.jar:4.3.2.RELEASE] 
    at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.afterPropertiesSet(AbstractEntityManagerFactoryBean.java:362) ~[spring-orm-4.3.2.RELEASE.jar:4.3.2.RELEASE] 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1637) ~[spring-beans-4.3.2.RELEASE.jar:4.3.2.RELEASE] 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1574) ~[spring-beans-4.3.2.RELEASE.jar:4.3.2.RELEASE] 
    ... 21 common frames omitted 
Caused by: org.hibernate.tool.schema.spi.SchemaManagementException: Unable to execute schema management to JDBC target [alter table user add column enable bit default false not null] 
    at org.hibernate.tool.schema.internal.TargetDatabaseImpl.accept(TargetDatabaseImpl.java:59) ~[hibernate-core-5.0.9.Final.jar:5.0.9.Final] 
    at org.hibernate.tool.schema.internal.SchemaMigratorImpl.applySqlString(SchemaMigratorImpl.java:431) ~[hibernate-core-5.0.9.Final.jar:5.0.9.Final] 
    at org.hibernate.tool.schema.internal.SchemaMigratorImpl.applySqlStrings(SchemaMigratorImpl.java:449) ~[hibernate-core-5.0.9.Final.jar:5.0.9.Final] 
    at org.hibernate.tool.schema.internal.SchemaMigratorImpl.migrateTable(SchemaMigratorImpl.java:253) ~[hibernate-core-5.0.9.Final.jar:5.0.9.Final] 
    at org.hibernate.tool.schema.internal.SchemaMigratorImpl.doMigrationToTargets(SchemaMigratorImpl.java:170) ~[hibernate-core-5.0.9.Final.jar:5.0.9.Final] 
    at org.hibernate.tool.schema.internal.SchemaMigratorImpl.doMigration(SchemaMigratorImpl.java:60) ~[hibernate-core-5.0.9.Final.jar:5.0.9.Final] 
    at org.hibernate.tool.hbm2ddl.SchemaUpdate.execute(SchemaUpdate.java:134) ~[hibernate-core-5.0.9.Final.jar:5.0.9.Final] 
    at org.hibernate.tool.hbm2ddl.SchemaUpdate.execute(SchemaUpdate.java:101) ~[hibernate-core-5.0.9.Final.jar:5.0.9.Final] 
    at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:470) ~[hibernate-core-5.0.9.Final.jar:5.0.9.Final] 
    at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:444) ~[hibernate-core-5.0.9.Final.jar:5.0.9.Final] 
    at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:879) ~[hibernate-entitymanager-5.0.9.Final.jar:5.0.9.Final] 
    ... 27 common frames omitted 
Caused by: java.sql.SQLSyntaxErrorException: Table 'weixinwifi.user' doesn't exist 
    at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:686) ~[mysql-connector-java-6.0.3.jar:6.0.3] 
    at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:663) ~[mysql-connector-java-6.0.3.jar:6.0.3] 
    at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:653) ~[mysql-connector-java-6.0.3.jar:6.0.3] 
    at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:115) ~[mysql-connector-java-6.0.3.jar:6.0.3] 
    at com.mysql.cj.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2041) ~[mysql-connector-java-6.0.3.jar:6.0.3] 
    at com.mysql.cj.jdbc.StatementImpl.executeUpdateInternal(StatementImpl.java:1608) ~[mysql-connector-java-6.0.3.jar:6.0.3] 
    at com.mysql.cj.jdbc.StatementImpl.executeLargeUpdate(StatementImpl.java:2630) ~[mysql-connector-java-6.0.3.jar:6.0.3] 
    at com.mysql.cj.jdbc.StatementImpl.executeUpdate(StatementImpl.java:1534) ~[mysql-connector-java-6.0.3.jar:6.0.3] 
    at org.hibernate.tool.schema.internal.TargetDatabaseImpl.accept(TargetDatabaseImpl.java:56) ~[hibernate-core-5.0.9.Final.jar:5.0.9.Final] 
    ... 37 common frames omitted

，這裏是我的User類（省略getter和setter）：

@Entity 
public class User implements Serializable{ 

    private static final long serialVersionUID = 1L; 

    @Id 
    @GeneratedValue 
    private long id; 

    @NaturalId 
    private String wxOpenId; 

    private String wxTid; 

    private long lastLogin; 

    private int loginCount; 

    @OneToMany(mappedBy = "user") 
    private List<Client> clients; 

    @ColumnDefault("false") 
    private boolean enable; 
}

來源

2016-11-12 payne Xu

spring.jpa.hibernate.ddl-auto=update正是這麼做的。它只會更新您的模式，但不會創建您的表格。使用spring.jpa.hibernate.ddl-auto=create一次，然後與spring.jpa.hibernate.ddl-auto=update

來源

2016-11-12 10:11:47

是的，我用你說的方法，它運作良好。我的問題是，當我設置'spring.jpa.hibernate.ddl-auto = update'，我刪除所有表，並重新運行，表部分創建，爲什麼？ –

雖然這是一個有點老的問題，但我不得不說創建DROPS所有的表都會重新創建它們，而update會根據所做的更改創建表並更新模式。以防萬一有人想在生產中使用它。 – MrMisery

springboot JPA不能創建表

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