Exception when using entity-query CRUD framework
smithbstl Apr 26, 2007 9:31 AMThis is my first attempt at using parts of the CRUD framework. I am getting an exception when trying to access the results of an entity query.
Here is the query defined in components.xml
<framework:entity-query name="allCustomers" ejbql="select u from User u"/>
I am trying to use this as a part of the Trinidad Dialog framework but I don't think the problem is tied to Trinidad since the same exception occurs when I try to place my dataTable that shows the results from the query inline with my main page.
Here is how I am using the query
<tr:table value="#{allCustomers.resultList}" var="customer"> <tr:column> <f:facet name="header"> <tr:outputText value="Customer"/> </f:facet> <tr:commandLink text="#{customer.userName}" action="#{attachCustomer.select}"/> </tr:column> </tr:table>
Here is the exception
2007-04-26 08:20:03,228 ERROR [STDERR] Apr 26, 2007 8:20:03 AM com.sun.facelets.FaceletViewHandler handleRenderException SEVERE: Error Rendering View[/AttachCustomer.xhtml] javax.faces.el.EvaluationException: /AttachCustomer.xhtml @23,69 value="#{allCustomers.resultList}": org.jboss.seam.framework.EntityQuery_$$_javassist_44 at com.sun.facelets.el.LegacyValueBinding.getValue(LegacyValueBinding.java:60) at org.apache.myfaces.trinidad.bean.FacesBeanImpl.getProperty(FacesBeanImpl.java:68) at org.apache.myfaces.trinidad.component.UIXComponentBase.getProperty(UIXComponentBase.java:1119) at org.apache.myfaces.trinidad.component.UIXIterator.getValue(UIXIterator.java:397) at org.apache.myfaces.trinidad.component.UIXCollection._flushCachedModel(UIXCollection.java:1086) at org.apache.myfaces.trinidad.component.UIXCollection.encodeBegin(UIXCollection.java:511) at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:247) at org.apache.myfaces.trinidad.render.CoreRenderer.encodeAllChildren(CoreRenderer.java:280) at org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.PanelPartialRootRenderer.renderContent(PanelPartialRootRenderer.java:73) at org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.BodyRenderer.renderContent(BodyRenderer.java:137) at org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.PanelPartialRootRenderer.encodeAll(PanelPartialRootRenderer.java:153) at org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.BodyRenderer.encodeAll(BodyRenderer.java:79) at org.apache.myfaces.trinidad.render.CoreRenderer.delegateRenderer(CoreRenderer.java:297) at org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.DocumentRenderer.encodeAll(DocumentRenderer.java:81) at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:184) at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:704) at com.sun.facelets.tag.jsf.ComponentSupport.encodeRecursive(ComponentSupport.java:252) at com.sun.facelets.tag.jsf.ComponentSupport.encodeRecursive(ComponentSupport.java:249) at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:573) at org.apache.myfaces.trinidadinternal.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:182) at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:352) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:107) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._invokeDoFilter(TrinidadFilterImpl.java:210) at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:167) at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:140) at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:93) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:63) at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:60) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:57) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:79) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) at org.jboss.seam.web.SeamFilter.doFilter(SeamFilter.java:84) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869) at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112) at java.lang.Thread.run(Thread.java:595) Caused by: javax.faces.el.EvaluationException: Bean: org.jboss.seam.framework.EntityQuery_$$_javassist_44, property: resultList at org.apache.myfaces.el.PropertyResolverImpl.getProperty(PropertyResolverImpl.java:404) at org.apache.myfaces.el.PropertyResolverImpl.getValue(PropertyResolverImpl.java:71) at com.sun.facelets.el.LegacyELContext$LegacyELResolver.getValue(LegacyELContext.java:141) at com.sun.el.parser.AstValue.getValue(AstValue.java:118) at com.sun.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:192) at com.sun.facelets.el.TagValueExpression.getValue(TagValueExpression.java:71) at com.sun.facelets.el.LegacyValueBinding.getValue(LegacyValueBinding.java:56) ... 57 more Caused by: java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.apache.myfaces.el.PropertyResolverImpl.getProperty(PropertyResolverImpl.java:400) ... 63 more Caused by: java.lang.NullPointerException at org.jboss.seam.framework.EntityQuery.createQuery(EntityQuery.java:104) at org.jboss.seam.framework.EntityQuery.getResultList(EntityQuery.java:41) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.jboss.seam.util.Reflections.invoke(Reflections.java:20) at org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:31) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:57) at org.jboss.seam.interceptors.RollbackInterceptor.aroundInvoke(RollbackInterceptor.java:34) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:69) at org.jboss.seam.interceptors.BusinessProcessInterceptor.aroundInvoke(BusinessProcessInterceptor.java:51) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:69) at org.jboss.seam.interceptors.TransactionInterceptor$1.work(TransactionInterceptor.java:32) at org.jboss.seam.util.Work.workInTransaction(Work.java:37) at org.jboss.seam.interceptors.TransactionInterceptor.aroundInvoke(TransactionInterceptor.java:27) at org.jboss.seam.intercept.SeamInvocationContext.pr 2007-04-26 08:20:03,228 ERROR [STDERR] oceed(SeamInvocationContext.java:69) at org.jboss.seam.interceptors.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:27) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:69) at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:103) at org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBeanInterceptor.java:151) at org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBeanInterceptor.java:87) at org.jboss.seam.framework.EntityQuery_$$_javassist_44.getResultList(EntityQuery_$$_javassist_44.java) ... 68 more