hibernate 遇到的错误

最新推荐文章于 2020-11-28 15:33:51 发布

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本文解决了一个Hibernate在尝试应用默认Bean验证工厂时遇到的HibernateException，通过在hibernate.cfg.xml中添加一行代码解决了空指针异常的问题。

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org.hibernate.HibernateException: Unable to get the default Bean Validation factory
   at org.hibernate.cfg.beanvalidation.BeanValidationActivator.applyDDL(BeanValidationActivator.java:127)
   at org.hibernate.cfg.Configuration.applyBeanValidationConstraintsOnDDL(Configuration.java:1704)
   at org.hibernate.cfg.Configuration.applyConstraintsToDDL(Configuration.java:1654)
   at org.hibernate.cfg.Configuration.secondPassCompile(Configuration.java:1445)
   at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1856)
   at com.test.demo1.save1(demo1.java:15)
   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.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
   at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
   at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
   at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
   at org.junit.runners.BlockJUnit4ClassRunner.runNotIgnored(BlockJUnit4ClassRunner.java:79)
   at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:71)
   at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:49)
   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$2.evaluate(ParentRunner.java:184)
   at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
   at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
   at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Caused by: java.lang.reflect.InvocationTargetException
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:606)
   at org.hibernate.cfg.beanvalidation.BeanValidationActivator.applyDDL(BeanValidationActivator.java:118)
   ... 28 more
Caused by: org.hibernate.HibernateException: Unable to build the default ValidatorFactory
   at org.hibernate.cfg.beanvalidation.TypeSafeActivator.getValidatorFactory(TypeSafeActivator.java:383)
   at org.hibernate.cfg.beanvalidation.TypeSafeActivator.applyDDL(TypeSafeActivator.java:109)
   ... 33 more
Caused by: javax.validation.ValidationException: Unable to instantiate Configuration.
   at javax.validation.Validation$GenericBootstrapImpl.configure(Validation.java:272)
   at javax.validation.Validation.buildDefaultValidatorFactory(Validation.java:111)
   at org.hibernate.cfg.beanvalidation.TypeSafeActivator.getValidatorFactory(TypeSafeActivator.java:380)
   ... 34 more
Caused by: java.lang.NullPointerException
   at java.util.ResourceBundle.getBundle(ResourceBundle.java:1026)
   at org.hibernate.validator.engine.ResourceBundleMessageInterpolator.loadBundle(ResourceBundleMessageInterpolator.java:202)
   at org.hibernate.validator.engine.ResourceBundleMessageInterpolator.getFileBasedResourceBundle(ResourceBundleMessageInterpolator.java:182)
   at org.hibernate.validator.engine.ResourceBundleMessageInterpolator.<init>(ResourceBundleMessageInterpolator.java:81)
   at org.hibernate.validator.engine.ResourceBundleMessageInterpolator.<init>(ResourceBundleMessageInterpolator.java:73)
   at org.hibernate.validator.engine.ConfigurationImpl.<init>(ConfigurationImpl.java:57)
   at org.hibernate.validator.HibernateValidator.createGenericConfiguration(HibernateValidator.java:43)
   at javax.validation.Validation$GenericBootstrapImpl.configure(Validation.java:269)
   ... 36 more

这里显示是空指针，但是检测配置文件并未发现该类问题，解决方案如下：

在核心配置文件hibernate.cfg.xml里面加入一下参数即可

		<property name="javax.persistence.validation.mode">none</property>