ERROR: HHH000099: an assertion failure occured (this may indicate a bug in Hibernate, but is more likely due to unsafe use of the session): java.lang.ClassNotFoundException: entity.students
org.hibernate.cfg.beanvalidation.IntegrationException: Error activating Bean Validation integration
誰幫忙解決下，謝謝！
org.hibernate.cfg.beanvalidation.IntegrationException: Error activating Bean Validation integration
誰幫忙解決下，謝謝！
2017-02-18
創建SchemaExport的對象
ServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder().configure().build();
MetadataImplementor metadata = (MetadataImplementor) new MetadataSources(serviceRegistry).buildMetadata();
new SchemaExport().create(EnumSet.of(TargetType.DATABASE), metadata);
ServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder().configure().build();
MetadataImplementor metadata = (MetadataImplementor) new MetadataSources(serviceRegistry).buildMetadata();
new SchemaExport().create(EnumSet.of(TargetType.DATABASE), metadata);
空指針異常的原因是你們忘記在logout這個方法添加注解@skipValidation，如果不添加這個注解，那么你在login_success的頁面登出的時候也會進行validate()這個方法，顯然這個步驟我們是沒有傳user實例進去的，所以酒報了空指針的異常
2017-02-17
最贊回答 / Takecareofyourself
<package name="users" namespace="/users" extends="struts-default"> <action name="*_*" class="com.action.{1}Action" method="{2}"> <result name="login_success">/users/Users_login_success.jsp</result> <result name="login_failu...
2017-02-15
