Caused by: org.hibernate.InstantiationException: No default constructor for entity: com.vtradex.wms.server.model.bc.WmsBcClassesHead at org.hibernate.tuple.PojoInstantiator.instantiate(PojoInstantiator.java:84) at org.hibernate.tuple.PojoInstantiator.instantiate(PojoInstantiator.java:100) at org.hibernate.tuple.entity.AbstractEntityTuplizer.instantiate(AbstractEntityTuplizer.java:351) at org.hibernate.persister.entity.AbstractEntityPersister.instantiate(AbstractEntityPersister.java:3539) at org.hibernate.impl.SessionImpl.instantiate(SessionImpl.java:1275) at org.hibernate.impl.SessionImpl.instantiate(SessionImpl.java:1264) at org.hibernate.loader.Loader.instanceNotYetLoaded(Loader.java:1290) at org.hibernate.loader.Loader.getRow(Loader.java:1197) at org.hibernate.loader.Loader.getRowFromResultSet(Loader.java:568) at org.hibernate.loader.Loader.doQuery(Loader.java:689) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:224) at org.hibernate.loader.Loader.loadEntity(Loader.java:1784) at org.hibernate.loader.entity.AbstractEntityLoader.load(AbstractEntityLoader.java:48) at org.hibernate.loader.entity.AbstractEntityLoader.load(AbstractEntityLoader.java:42) at org.hibernate.persister.entity.AbstractEntityPersister.load(AbstractEntityPersister.java:2977) at org.hibernate.event.def.DefaultLoadEventListener.loadFromDatasource(DefaultLoadEventListener.java:393) at org.hibernate.event.def.DefaultLoadEventListener.doLoad(DefaultLoadEventListener.java:374) at org.hibernate.event.def.DefaultLoadEventListener.load(DefaultLoadEventListener.java:137) at org.hibernate.event.def.DefaultLoadEventListener.proxyOrLoad(DefaultLoadEventListener.java:193) at org.hibernate.event.def.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:101) at org.hibernate.impl.SessionImpl.fireLoad(SessionImpl.java:878) at org.hibernate.impl.SessionImpl.get(SessionImpl.java:815) at org.hibernate.impl.SessionImpl.get(SessionImpl.java:808) at org.springframework.orm.hibernate3.HibernateTemplate$1.doInHibernate(HibernateTemplate.java:460) at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:362) at org.springframework.orm.hibernate3.HibernateTemplate.get(HibernateTemplate.java:454) at org.springframework.orm.hibernate3.HibernateTemplate.get(HibernateTemplate.java:448) at com.vtradex.thorn.server.dao.hibernate.HibernateCommonDao.load(HibernateCommonDao.java:65) at com.vtradex.thorn.server.service.pojo.DefaultGridQueryManager.load(DefaultGridQueryManager.java:95)
如果是modify屏,对象没有增加无参构造方法,会报这个错误。增加无参构造方法即可。
public WmsBcClassesHead(){
super();
// TODO Auto-generated constructor stub
}