[jboss-user] [JBoss Seam] - Problem reaching oujected object in the EVENT context

rlhr do-not-reply at jboss.com
Wed Jan 31 07:09:59 EST 2007


Hello,

I'm using jboss-4.0.5.GA and jboss-seam-1.1.1.GA.

I define in pages.xml the following: 


  | <page view-id="/public/browseAction.xhtml" action="#{browseAction.perform}" />
  | 

The action bean is defined by:


  | @Stateless
  | @Name("browseAction")
  | @Scope(ScopeType.EVENT)
  | public class BrowseAction implements Browse {
  | 	
  | 	@In(create=true)
  | 	private EntityManager entityManager;
  | 	
  | 	@Out(scope=ScopeType.EVENT)
  | 	private Category category;
  | 	
  | 	@Out(scope=ScopeType.EVENT)
  | 	public List<CommonSearchRow> results = null;
  | 	
  | 	@Logger
  | 	private Log log;
  | 
  | 	public String perform() {
  | 		System.out.println("######### void perform()");
  | 		
  | 		// Find the search data
  | 		results = ...
  | 				
  | 		return "success";
  | 	}
  | 
  | 	public Category getCategory() {
  | 		return category;
  | 	}
  | 
  | 	public void setCategory(Category category) {
  | 		this.category = category;
  | 	}
  | 	
  | 	public List<CommonSearchRow> getResults() {
  | 		System.out.println("######### List<CommonSearchRow> getResults(): " + results);
  | 		return results;
  | 	}
  | 
  | 	public void setResults(List<CommonSearchRow> results) {
  | 		this.results = results;
  | 	}
  | }
  | 

The success outcome is defined as a JSF navigation rule. In that result xhtml page, there are multiple call to getResults() as I need to check is that list has any elements and also I iterate over the list.


  | <f:subview rendered="#{empty browseAction.results}">
  | 	<div>
  | 		<h:outputText value="#{messages.SEARCH_NO_RESULTS}" />
  | 	</div>
  | </f:subview>
  | <f:subview rendered="#{not empty browseAction.results}">
  | 	<table id="bodyTable" class="body">
  | 	  <c:forEach items="#{browseAction.results}" var="result">
  | 		<tr id="#{result.id}">
  | 			<td class="last"></td>
  | 		</tr>
  | 	  </c:forEach>
  | 	</table>
  | </f:subview>
  | 

Interestingly, the call to getResults() generated by #{empty browseAction.results} and #{not empty browseAction.results} always work, but then the next one due to #{browseAction.results} doesn't.
(using ui:repeat doesn't change anything by the way).

I get the follwoing stacktrace:


  | 12:45:33,098 INFO  [STDOUT] ######### void perform()
  | 12:45:33,301 INFO  [STDOUT] Hibernate: select commacpapo0_.ID as col_0_0_, ...
  | 12:45:33,333 INFO  [STDOUT] ######### List<CommonSearchRow> getResults(): [com.pc.app.search.comm.AcpaSearchRow at 4d4616a9, com.pc.app.search.comm.AcpaSearchRow at ea76238d, com.pc.app.search.comm.AcpaSearchRow at 6ec04ad4, com.pc.app.search.comm.AcpaSearchRow at 38b3124e]
  | 12:45:33,333 INFO  [STDOUT] ######### List<CommonSearchRow> getResults(): [com.pc.app.search.comm.AcpaSearchRow at 4d4616a9, com.pc.app.search.comm.AcpaSearchRow at ea76238d, com.pc.app.search.comm.AcpaSearchRow at 6ec04ad4, com.pc.app.search.comm.AcpaSearchRow at 38b3124e]
  | 12:45:33,661 INFO  [STDOUT] ######### List<CommonSearchRow> getResults(): null
  | 12:45:33,676 INFO  [Exceptions] no exceptions.xml file found
  | 12:45:33,692 ERROR [STDERR] Jan 31, 2007 12:45:33 PM com.sun.facelets.FaceletViewHandler handleRenderException
  | SEVERE: Error Rendering View[/public/search/comm/searchAcpa.xhtml]
  | javax.el.ELException: /public/search/searchTemplate.xhtml @389,62 items="#{browseAction.results}": Exception getting value of property results of base of type : org.jboss.seam.intercept.Proxy$$EnhancerByCGLIB$$ee68f2a6
  | 	at com.sun.facelets.el.TagValueExpression.getValue(TagValueExpression.java:76)
  | 	at com.sun.facelets.tag.jstl.core.ForEachHandler.apply(ForEachHandler.java:120)
  | 	at com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47)
  | 	at com.sun.facelets.tag.jsf.ComponentHandler.applyNextHandler(ComponentHandler.java:295)
  | 	at com.sun.facelets.tag.jsf.ComponentHandler.apply(ComponentHandler.java:165)
  | 	at com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47)
  | 	at com.sun.facelets.tag.ui.DefineHandler.apply(DefineHandler.java:58)
  | 	at com.sun.facelets.tag.ui.CompositionHandler.apply(CompositionHandler.java:128)
  | 	at com.sun.facelets.impl.DefaultFaceletContext$TemplateManager.apply(DefaultFaceletContext.java:306)
  | 	at com.sun.facelets.impl.DefaultFaceletContext.includeDefinition(DefaultFaceletContext.java:279)
  | 	at com.sun.facelets.tag.ui.InsertHandler.apply(InsertHandler.java:68)
  | 	at com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47)
  | 	at com.sun.facelets.tag.jsf.core.ViewHandler.apply(ViewHandler.java:109)
  | 	at com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47)
  | 	at com.sun.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:49)
  | 	at com.sun.facelets.tag.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:47)
  | 	at com.sun.facelets.compiler.EncodingHandler.apply(EncodingHandler.java:25)
  | 	at com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:248)
  | 	at com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:294)
  | 	at com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:273)
  | 	at com.sun.facelets.impl.DefaultFaceletContext.includeFacelet(DefaultFaceletContext.java:143)
  | 	at com.sun.facelets.tag.ui.CompositionHandler.apply(CompositionHandler.java:113)
  | 	at com.sun.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:49)
  | 	at com.sun.facelets.compiler.EncodingHandler.apply(EncodingHandler.java:25)
  | 	at com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:248)
  | 	at com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:294)
  | 	at com.sun.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:273)
  | 	at com.sun.facelets.impl.DefaultFaceletContext.includeFacelet(DefaultFaceletContext.java:143)
  | 	at com.sun.facelets.tag.ui.CompositionHandler.apply(CompositionHandler.java:113)
  | 	at com.sun.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:49)
  | 	at com.sun.facelets.compiler.EncodingHandler.apply(EncodingHandler.java:25)
  | 	at com.sun.facelets.impl.DefaultFacelet.apply(DefaultFacelet.java:95)
  | 	at com.sun.facelets.FaceletViewHandler.buildView(FaceletViewHandler.java:510)
  | 	at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:553)
  | 	at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:384)
  | 	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:138)
  | 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
  | 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  | 	at org.jboss.seam.servlet.SeamRedirectFilter.doFilter(SeamRedirectFilter.java:32)
  | 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
  | 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  | 	at org.jboss.seam.servlet.SeamExceptionFilter.doFilter(SeamExceptionFilter.java:46)
  | 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
  | 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  | 	at com.pc.filter.UploadFilter.doFilter(UploadFilter.java:67)
  | 	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.jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156)
  | 	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.intercept.Proxy$$EnhancerByCGLIB$$ee68f2a6, property: results
  | 	at org.apache.myfaces.el.PropertyResolverImpl.getProperty(PropertyResolverImpl.java:442)
  | 	at org.apache.myfaces.el.PropertyResolverImpl.getValue(PropertyResolverImpl.java:82)
  | 	at com.sun.facelets.el.LegacyELContext$LegacyELResolver.getValue(LegacyELContext.java:141)
  | 	at com.sun.el.parser.AstValue.getValue(AstValue.java:117)
  | 	at com.sun.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:192)
  | 	at com.sun.facelets.el.TagValueExpression.getValue(TagValueExpression.java:71)
  | 	... 63 more
  | Caused by: java.lang.reflect.InvocationTargetException
  | 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  | 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  | 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  | 	at java.lang.reflect.Method.invoke(Method.java:585)
  | 	at org.apache.myfaces.el.PropertyResolverImpl.getProperty(PropertyResolverImpl.java:438)
  | 	... 68 more
  | Caused by: javax.ejb.EJBTransactionRolledbackException: org.jboss.seam.RequiredException: Out attribute requires value for component: browseAction.category
  | 	at org.jboss.ejb3.tx.Ejb3TxPolicy.handleInCallerTx(Ejb3TxPolicy.java:93)
  | 	at org.jboss.aspects.tx.TxPolicy.invokeInCallerTx(TxPolicy.java:130)
  | 	at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:201)
  | 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 	at org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:76)
  | 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 	at org.jboss.ejb3.stateless.StatelessInstanceInterceptor.invoke(StatelessInstanceInterceptor.java:62)
  | 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 	at org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.java:77)
  | 	at org.jboss.ejb3.security.Ejb3AuthenticationInterceptor.invoke(Ejb3AuthenticationInterceptor.java:131)
  | 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 	at org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:47)
  | 	at org.jboss.aop.joinpoint.MethodInv
  | 12:45:33,723 ERROR [STDERR] ocation.invokeNext(MethodInvocation.java:101)
  | 	at org.jboss.ejb3.asynchronous.AsynchronousInterceptor.invoke(AsynchronousInterceptor.java:106)
  | 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 	at org.jboss.ejb3.stateless.StatelessContainer.localInvoke(StatelessContainer.java:211)
  | 	at org.jboss.ejb3.stateless.StatelessLocalProxy.invoke(StatelessLocalProxy.java:79)
  | 	at $Proxy166.getResults(Unknown Source)
  | 	at com.pc.app.search.Browse$$FastClassByCGLIB$$4b862c20.invoke(<generated>)
  | 	at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)
  | 	at org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:45)
  | 	at org.jboss.seam.intercept.ClientSideInterceptor$1.proceed(ClientSideInterceptor.java:74)
  | 	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:55)
  | 	at org.jboss.seam.interceptors.ExceptionInterceptor.handleExceptions(ExceptionInterceptor.java:39)
  | 	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:18)
  | 	at org.jboss.seam.intercept.Interceptor.aroundInvoke(Interceptor.java:169)
  | 	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:64)
  | 	at org.jboss.seam.intercept.RootInterceptor.createSeamInvocationContext(RootInterceptor.java:144)
  | 	at org.jboss.seam.intercept.RootInterceptor.invokeInContexts(RootInterceptor.java:129)
  | 	at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:102)
  | 	at org.jboss.seam.intercept.ClientSideInterceptor.interceptInvocation(ClientSideInterceptor.java:83)
  | 	at org.jboss.seam.intercept.ClientSideInterceptor.intercept(ClientSideInterceptor.java:52)
  | 	at org.jboss.seam.intercept.Proxy$$EnhancerByCGLIB$$ee68f2a6.getResults(<generated>)
  | 	... 73 more
  | Caused by: org.jboss.seam.RequiredException: Out attribute requires value for component: browseAction.category
  | 	at org.jboss.seam.Component.setOutjectedValue(Component.java:1394)
  | 	at org.jboss.seam.Component.outjectFields(Component.java:1372)
  | 	at org.jboss.seam.Component.outject(Component.java:1172)
  | 	at org.jboss.seam.interceptors.BijectionInterceptor.bijectNonreentrantComponent(BijectionInterceptor.java:87)
  | 	at org.jboss.seam.interceptors.BijectionInterceptor.bijectComponent(BijectionInterceptor.java:58)
  | 	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:18)
  | 	at org.jboss.seam.intercept.Interceptor.aroundInvoke(Interceptor.java:169)
  | 	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:64)
  | 	at org.jboss.seam.interceptors.OutcomeInterceptor.interceptOutcome(OutcomeInterceptor.java:21)
  | 	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:18)
  | 	at org.jboss.seam.intercept.Interceptor.aroundInvoke(Interceptor.java:169)
  | 	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:64)
  | 	at org.jboss.seam.interceptors.ConversationInterceptor.endOrBeginLongRunningConversation(ConversationInterceptor.java:52)
  | 	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:18)
  | 	at org.jboss.seam.intercept.Interceptor.aroundInvoke(Interceptor.java:169)
  | 	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:64)
  | 	at org.jboss.seam.interceptors.BusinessProcessInterceptor.manageBusinessProcessContext(BusinessProcessInterceptor.java:51)
  | 	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:18)
  | 	at org.jboss.seam.intercept.Interceptor.aroundInvoke(Interceptor.java:169)
  | 	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:64)
  | 	at org.jboss.seam.interceptors.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:27)
  | 	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:18)
  | 	at org.jboss.seam.intercept.Interceptor.aroundInvoke(Interceptor.java:169)
  | 	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:64)
  | 	at org.jboss.seam.intercept.RootInterceptor.createSeamInvocationContext(RootInterceptor.java:144)
  | 	at org.jboss.seam.intercept.RootInterceptor.invokeInContexts(RootInterceptor.java:129)
  | 	at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:102)
  | 	at org.jboss.seam.intercept.SessionBeanInterceptor.aroundInvoke(SessionBeanInterceptor.java:50)
  | 	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.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:118)
  | 	at org.jboss.ejb3.interceptor.EJB3InterceptorsInterceptor.invoke(EJB3InterceptorsInterceptor.java:63)
  | 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 	at org.jboss.ejb3.entity.TransactionScopedEntityManagerInterceptor.invoke(TransactionScopedEntityManagerInterceptor.java:54)
  | 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 	at org.jboss.ejb3.AllowedOperationsInterceptor.invoke(AllowedOperationsInterceptor.java:47)
  | 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 	at org.jboss.aspects.tx.TxPolicy.invokeInCallerTx(TxPolicy.java:126)
  | 	... 108 more
  | 12:45:34,333 INFO  [STDOUT] ######### List<CommonSearchRow> getResults(): null
  | 

View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4008747#4008747

Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4008747



More information about the jboss-user mailing list