Spring 当@Column(name=";foo";)注释与字段名不匹配时,如何解决@Id字段上的错误
当我用@Id在一个实体上定义一个字段,并且有一个与字段名不匹配的@Column注释时,我似乎遇到了麻烦。i、 eSpring 当@Column(name=";foo";)注释与字段名不匹配时,如何解决@Id字段上的错误,spring,hibernate,jpa,Spring,Hibernate,Jpa,当我用@Id在一个实体上定义一个字段,并且有一个与字段名不匹配的@Column注释时,我似乎遇到了麻烦。i、 e public class MyEntity { @Id @Column(name = "foo") private Long id; ... } 当我尝试使用repository save()方法持久化此内容时,我得到: org.springframework.beans.factory.BeanCreationExeption org.spr
public class MyEntity {
@Id
@Column(name = "foo")
private Long id;
...
}
当我尝试使用repository save()方法持久化此内容时,我得到:
org.springframework.beans.factory.BeanCreationExeption
org.springframework.dao.DataIntegrityViolationException
Integrity constraint violation:
NOT Null check constraint; SYS_CT_10083 table: MyEntity column ID
如果@Column注释中的名称更改为“id”(以匹配字段名和getId()访问器),那么它可以正常工作
这是在一个测试中发生的,我已经从我的实体创建了一个嵌入式H2或HSQL数据库(我尝试了两者)
通过挖掘日志,我可以看到表的创建不正确:
[tool.hbm2ddl.SchemaUpdate]
create table MyEntity (
foo bigint not null,
...,
id integer not null,
primary key (id))
因此,问题似乎在于存在@Id注释时如何生成表
有没有人想过我应该在哪里解决这个问题?在我看来,spring数据或hibernate中可能存在错误,但我不太确定如何最好地解决这个问题
仅供参考-我正在使用Spring3.2.4.RELEASE、SpringDataJPA1.3.4.RELEASE和HibernateEntityManager 4.0.1.Final
对于那些喜欢阅读堆栈跟踪的人,下面是一个完整跟踪的示例
谢谢任何人能提供的帮助
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.foo.integration.repositories.JobRepositoryTest': Invocation of init method failed; nested exception is org.springframework.dao.DataIntegrityViolationException: integrity constraint violation: NOT NULL check constraint; SYS_CT_10083 table: JOB column: ID; SQL [n/a]; constraint [null]; nested exception is org.hibernate.exception.ConstraintViolationException: integrity constraint violation: NOT NULL check constraint; SYS_CT_10083 table: JOB column: ID
at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeInitialization(InitDestroyAnnotationBeanPostProcessor.java:133)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsBeforeInitialization(AbstractAutowireCapableBeanFactory.java:396)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1475)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:388)
at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.injectDependencies(DependencyInjectionTestExecutionListener.java:111)
at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.prepareTestInstance(DependencyInjectionTestExecutionListener.java:75)
at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:312)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTest(SpringJUnit4ClassRunner.java:211)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner$1.runReflectiveCall(SpringJUnit4ClassRunner.java:288)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.methodBlock(SpringJUnit4ClassRunner.java:284)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:231)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:88)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:71)
at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:174)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Caused by: org.springframework.dao.DataIntegrityViolationException: integrity constraint violation: NOT NULL check constraint; SYS_CT_10083 table: JOB column: ID; SQL [n/a]; constraint [null]; nested exception is org.hibernate.exception.ConstraintViolationException: integrity constraint violation: NOT NULL check constraint; SYS_CT_10083 table: JOB column: ID
at org.springframework.orm.hibernate3.SessionFactoryUtils.convertHibernateAccessException(SessionFactoryUtils.java:643)
at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:106)
at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:403)
at org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:58)
at org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:213)
at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:163)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at org.springframework.data.jpa.repository.support.LockModeRepositoryPostProcessor$LockModePopulatingMethodIntercceptor.invoke(LockModeRepositoryPostProcessor.java:92)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:91)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
at com.sun.proxy.$Proxy38.saveAndFlush(Unknown Source)
at com.foo.integration.repositories.JobRepositoryTest.initialiseData(JobRepositoryTest.java:31)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:344)
at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeInitMethods(InitDestroyAnnotationBeanPostProcessor.java:295)
at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeInitialization(InitDestroyAnnotationBeanPostProcessor.java:130)
... 27 more
Caused by: org.hibernate.exception.ConstraintViolationException: integrity constraint violation: NOT NULL check constraint; SYS_CT_10083 table: JOB column: ID
at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:74)
at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:47)
at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:125)
at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:110)
at org.hibernate.engine.jdbc.internal.proxy.AbstractStatementProxyHandler.continueInvocation(AbstractStatementProxyHandler.java:129)
at org.hibernate.engine.jdbc.internal.proxy.AbstractProxyHandler.invoke(AbstractProxyHandler.java:81)
at com.sun.proxy.$Proxy42.executeUpdate(Unknown Source)
at org.hibernate.engine.jdbc.batch.internal.NonBatchingBatch.addToBatch(NonBatchingBatch.java:56)
at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2849)
at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:3290)
at org.hibernate.action.internal.EntityInsertAction.execute(EntityInsertAction.java:80)
at org.hibernate.engine.spi.ActionQueue.execute(ActionQueue.java:272)
at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:264)
at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:186)
at org.hibernate.event.internal.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:326)
at org.hibernate.event.internal.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:52)
at org.hibernate.internal.SessionImpl.flush(SessionImpl.java:1081)
at org.hibernate.ejb.AbstractEntityManagerImpl.flush(AbstractEntityManagerImpl.java:973)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.springframework.orm.jpa.SharedEntityManagerCreator$SharedEntityManagerInvocationHandler.invoke(SharedEntityManagerCreator.java:241)
at com.sun.proxy.$Proxy36.flush(Unknown Source)
at org.springframework.data.jpa.repository.support.SimpleJpaRepository.flush(SimpleJpaRepository.java:404)
at org.springframework.data.jpa.repository.support.SimpleJpaRepository.saveAndFlush(SimpleJpaRepository.java:372)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.executeMethodOn(RepositoryFactorySupport.java:333)
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.invoke(RepositoryFactorySupport.java:318)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:96)
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:260)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:94)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:155)
... 42 more
Caused by: java.sql.SQLIntegrityConstraintViolationException: integrity constraint violation: NOT NULL check constraint; SYS_CT_10083 table: JOB column: ID
at org.hsqldb.jdbc.Util.sqlException(Unknown Source)
at org.hsqldb.jdbc.Util.sqlException(Unknown Source)
at org.hsqldb.jdbc.JDBCPreparedStatement.fetchResult(Unknown Source)
at org.hsqldb.jdbc.JDBCPreparedStatement.executeUpdate(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.hibernate.engine.jdbc.internal.proxy.AbstractStatementProxyHandler.continueInvocation(AbstractStatementProxyHandler.java:122)
... 75 more
Caused by: org.hsqldb.HsqlException: integrity constraint violation: NOT NULL check constraint; SYS_CT_10083 table: JOB column: ID
at org.hsqldb.error.Error.error(Unknown Source)
at org.hsqldb.Table.enforceRowConstraints(Unknown Source)
at org.hsqldb.Table.insertSingleRow(Unknown Source)
at org.hsqldb.StatementDML.insertSingleRow(Unknown Source)
at org.hsqldb.StatementInsert.getResult(Unknown Source)
at org.hsqldb.StatementDMQL.execute(Unknown Source)
at org.hsqldb.Session.executeCompiledStatement(Unknown Source)
at org.hsqldb.Session.execute(Unknown Source)
... 82 more
通常使用生成器为id列创建值 尝试:
在对应用程序进行了相当大的简化之后,我确定此异常是两个实体引用同一个表的副作用,其中第二个表确实有一个名为“id”的字段 i、 e 在我看来,这似乎导致Hibernate/JPA生成一个由两个实体组合而成的表并对其进行验证,其中(在上面的示例中)“pk”和“id”都是非空字段,并且(可能是因为以后按字母顺序排列)主键被设置为MyOtherEntity的@id
我不确定这是否是故意的。当然,我可以看到,在使用“遗留”数据库时,让多个小实体引用一个巨大的平面表可能很有用。但这确实让我大吃一惊。特别是它处理两个单独的@Id字段的方式(都是非空的,但只有一个主键)。您是否为Id字段提供了自己的值?我现在正在提供。我最初使用的是发电机,也遇到了同样的问题。我放弃了它们,自己指定了这个值,希望通过强制使用这个值(并简化事情),事情可能会成功。事情不顺利。您是否在配置中的任何位置使用命名策略?导入都是
javax.persistence…
没有自定义命名策略。是的,所有导入都是javax.persistence。我确实从生成器开始,但这无助于解决使用错误字段名的问题。我拿出生成器并提供了字段名,希望通过自己指定值,我的测试可以顺利进行。这没用-/你是在用@Entity注释你的类吗?是的。如果没有@Column注释或其值与字段名@Column(name=“id”)相同,则实体将正确保留。另一种方法是手动将id
字段设置为值,仅用于测试。同样按照建议,确保所有导入都是jpa(javax.persistence
)。我已经用这个技术栈做了很多次了,我认为这里有一些简单的错误。这就是我现在正在做的,我以前尝试过生成ID。同样的例外。如前所述,@Column(name=“id”)起作用。测试显示正在插入实体实例,并且我能够从数据库中查询出该实例。因此,堆栈本身是好的。只有将@Column注释中的名称更改为类中的字段名以外的名称时,才会发生错误。
@Entity
public class MyEntity {
@Id
@GeneratedValue(strategy=GenerationType.AUTO)
@Column(name = "foo")
private Long id;
...
}
@Entity
@Table(name = "my_table")
public class MyEntity {
@Id @Column(name = "pk") private Long id;
...
}
@Entity
@Table(name = "my_table")
public class MyOtherEntity {
@Id @Column(name = "id") private Long id;
...
}