最近在自学Hibernate与Struts2进行集成时,出现了一个错误,错误截图如下:
错误代码如下:
SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.
Exception in thread "main" java.lang.ExceptionInInitializerError
at com.itheima.utils.Test.main(Test.java:5)
Caused by: 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.itheima.utils.HibernateUtils.<clinit>(HibernateUtils.java:19)
... 1 more
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.hibernate.cfg.beanvalidation.BeanValidationActivator.applyDDL(BeanValidationActivator.java:118)
... 6 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)
... 11 more
Caused by: javax.validation.ValidationException: Unable to create a Configuration, because no Bean Validation provider could be found. Add a provider like Hibernate Validator (RI) to your classpath.
at javax.validation.Validation$GenericBootstrapImpl.configure(Validation.java:271)
at javax.validation.Validation.buildDefaultValidatorFactory(Validation.java:110)
at org.hibernate.cfg.beanvalidation.TypeSafeActivator.getValidatorFactory(TypeSafeActivator.java:380)
... 12 more
我们先看下hibernate的帮助文档,该文档所在位置:\hibernate-distribution-3.6.10.Final\documentation\manual\zh-CN\html ,可以看中文版本的,有如下描述,截图如下:
这里大意就是在 hibernate.cfg.xml 或者是 persistence.xml
文件下面需要配置
javax.persistence.validation.mode 属性,
于是我们在 hibernate.cfg.xml 文件里添加属性,如下截图所示:
<property name="javax.persistence.validation.mode">none</property>