Hibernate: No row with the given identifier exists错误

 

有两张表,table1和table2.产生此问题的原因就是table1里做了关联<one-to-one>或者<many-to-one unique="true">(特殊的多对一映射,实际就是一对一)来关联table2.当hibernate查找的时候,table2里的数据没有与table1相匹配的,这样就会报No row with the given identifier exists这个错.(一句话,就是数据的问题!)

      假如说,table1里有自身的主键id1,还有table2的主键id2,这两个字段.

      如果hibenrate设置的单项关联,即使table1中的id2为null值,table2中id2中有值,查询都不会出错.但是如果table1中的id2字段有值,但是这个值在table2中主键值里并没有,就会报上面的错!

      如果hibernate是双向关联,那么table1中的id2为null值,但是table2中如果有值,就会报这个错.这种情况目前的解决办法就是改成单项关联,或者把不对应的数据改对!

 

      多对多关联也有可能出现这种问题,因为多对多关联最终也是通过中间表转换为多对一关联        

tracestack：

20:46:03,359 ERROR [jsp]:723 - Servlet.service() for servlet jsp threw exception
org.hibernate.ObjectNotFoundException: No row with the given identifier exists: [grp.whu.jy.hb.ent.College#-1]
 at org.hibernate.ObjectNotFoundException.throwIfNull(ObjectNotFoundException.java:27)
 at org.hibernate.event.def.DefaultLoadEventListener.load(DefaultLoadEventListener.java:118)
 at org.hibernate.event.def.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:75)
 at org.hibernate.impl.SessionImpl.immediateLoad(SessionImpl.java:643)
 at org.hibernate.proxy.AbstractLazyInitializer.initialize(AbstractLazyInitializer.java:59)
 at org.hibernate.proxy.AbstractLazyInitializer.getImplementation(AbstractLazyInitializer.java:84)
 at org.hibernate.proxy.CGLIBLazyInitializer.intercept(CGLIBLazyInitializer.java:134)
 at grp.whu.jy.hb.ent.College$$EnhancerByCGLIB$$fd1f319.getCollegeName(<generated>)
 at sun.reflect.GeneratedMethodAccessor100.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
 at java.lang.reflect.Method.invoke(Unknown Source)
 at org.apache.commons.el.ArraySuffix.evaluate(ArraySuffix.java:314)
 at org.apache.commons.el.ComplexValue.evaluate(ComplexValue.java:145)
 at org.apache.commons.el.ExpressionEvaluatorImpl.evaluate(ExpressionEvaluatorImpl.java:263)
 at org.apache.commons.el.ExpressionEvaluatorImpl.evaluate(ExpressionEvaluatorImpl.java:190)
 at org.apache.jasper.runtime.PageContextImpl.proprietaryEvaluate(PageContextImpl.java:924)
 at org.apache.jsp.admin.listUsers_jsp._jspx_meth_c_005fout_005f11(listUsers_jsp.java:865)
 at org.apache.jsp.admin.listUsers_jsp._jspx_meth_c_005fforEach_005f1(listUsers_jsp.java:757)
 at org.apache.jsp.admin.listUsers_jsp._jspx_meth_c_005fwhen_005f1(listUsers_jsp.java:674)
 at org.apache.jsp.admin.listUsers_jsp._jspx_meth_c_005fchoose_005f0(listUsers_jsp.java:160)
 at org.apache.jsp.admin.listUsers_jsp._jspService(listUsers_jsp.java:118)
 at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
 at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:331)
 at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:329)
 at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
 at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:691)
 at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:469)
 at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:403)
 at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301)
 at org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1063)
 at org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:386)
 at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:229)
 at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
 at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
 at org.apache.webapp.admin.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:123)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
 at grp.whu.jy.hb.HibernateFilter.doFilter(HibernateFilter.java:42)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151)
 at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:874)
 at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
 at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
 at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
 at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)
 at java.lang.Thread.run(Unknown Source)
Session closed