错误信息：Error applying BeanValidation relational constraints [org.springframework.web.context.ContextLoader]Context initialization failed
解决方法：
javax.persistence.validation.mode默认情况下是auto的，就是说如果不设置的话它是会自动去你的classpath下面找一个bean-validation**包，但是找不到，所以beanvalitionFactory错误。需要配置文件下加上一句<property name="javax.persistence.validation.mode">none</property>或者
<property name="hibernateProperties">
<props>
<prop key="hibernate.hbm2ddl.auto">${hibernate.hbm2ddl.auto}</prop>
<prop key="hibernate.dialect">${hibernate.dialect}</prop>
<prop key="hibernate.show_sql">${hibernate.show_sql}</prop>
<prop key="hibernate.format_sql">${hibernate.format_sql}</prop>
<prop key="javax.persistence.validation.mode">none</prop>
</props>
</property>
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