[jboss-user] [JBoss Seam] - @In(required = false,value=

lcoetzee do-not-reply at jboss.com
Fri Oct 12 08:30:03 EDT 2007


Hi,

this with reference to:
http://www.jboss.com/index.html?module=bb&op=viewtopic&t=121008

I have two beans: questionnaireManagementBean which outjects a DataModel :
@DataModel
  | 	private List<Section> sections;

and renders an jsf page. From the JSF page two actions can be executed (on the second bean), (a) where an item in the list is selected and (b) where no item is selected.

A second bean (sectionManagementBean) injects the "datamodel" with:
@In("#{sections.wrappedData}")
  | 	private List<Section> sections;
  |         @In(required = false,value="#{sections.rowData}")
  | 	@Out(required = false, scope = ScopeType.CONVERSATION)
  | 	private Section section;

Option (a) works (when an item is selected, which then gets injected and used). Option (b) however breaks, where it is still trying to inject the sections.rowData, thus not honoring the "required=false" in the @In.



  | javax.ejb.EJBTransactionRolledbackException: Error reading 'rowData' on type org.jboss.seam.jsf.ListDataModel
  |         at org.jboss.ejb3.tx.Ejb3TxPolicy.handleInCallerTx(Ejb3TxPolicy.java:87)
  |         at org.jboss.aspects.tx.TxPolicy.invokeInCallerTx(TxPolicy.java:130)
  |         at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:195)
  |         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.stateful.StatefulInstanceInterceptor.invoke(StatefulInstanceInterceptor.java:83)
  |         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:106)
  |         at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:46)
  |         at org.jboss.aop.joinpoint.MethodInvocation.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.stateful.StatefulContainer.localInvoke(StatefulContainer.java:204)
  |         at org.jboss.ejb3.stateful.StatefulLocalProxy.invoke(StatefulLocalProxy.java:100)
  |         at $Proxy194.beanBegin(Unknown Source)
  |         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:597)
  |         at org.jboss.seam.util.Reflections.invoke(Reflections.java:21)
  |         at org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:31)
  |         at org.jboss.seam.intercept.ClientSideInterceptor$1.proceed(ClientSideInterceptor.java:76)
  |         at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:56)
  |         at org.jboss.seam.ejb.RemoveInterceptor.aroundInvoke(RemoveInterceptor.java:41)
  |         at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
  |         at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:106)
  |         at org.jboss.seam.intercept.ClientSideInterceptor.invoke(ClientSideInterceptor.java:54)
  |         at org.javassist.tmp.java.lang.Object_$$_javassist_26.beanBegin(Object_$$_javassist_26.java)
  |         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:597)
  |         at org.jboss.seam.util.Reflections.invoke(Reflections.java:21)
  |         at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:125)
  |         at org.jboss.seam.Component.callComponentMethod(Component.java:2087)
  |         at org.jboss.seam.Component.callCreateMethod(Component.java:2010)
  |         at org.jboss.seam.Component.newInstance(Component.java:1981)
  |         at org.jboss.seam.Component.getInstance(Component.java:1878)
  |         at org.jboss.seam.Component.getInstance(Component.java:1845)
  |         at org.jboss.seam.Namespace.getComponentInstance(Namespace.java:55)
  |         at org.jboss.seam.Namespace.getComponentInstance(Namespace.java:50)
  |         at org.jboss.seam.el.SeamELResolver.resolveBase(SeamELResolver.java:166)
  |         at org.jboss.seam.el.SeamELResolver.getValue(SeamELResolver.java:53)
  |         at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:53)
  |         at com.sun.faces.el.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:64)
  |         at org.jboss.el.parser.AstIdentifier.getValue(AstIdentifier.java:44)
  |         at org.jboss.el.parser.AstValue.getTarget(AstValue.java:34)
  |         at org.jboss.el.parser.AstValue.invoke(AstValue.java:95)
  |         at org.jboss.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:276)
  |         at com.sun.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:68)
  |         at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:77)
  |         at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:91)
  |         at javax.faces.component.UICommand.broadcast(UICommand.java:383)
  |         at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:447)
  |         at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:752)
  |         at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:97)
  |         at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251)
  |         at 
  |  at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:117)
  |         at javax.faces.webapp.FacesServlet.service(FacesServlet.java:244)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  |         at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:147)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  |         at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83)
  |         at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:58)
  |         at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
  |         at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:68)
  |         at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
  |         at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:85)
  |         at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
  |         at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64)
  |         at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
  |         at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:44)
  |         at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
  |         at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:150)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  |         at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  |         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
  |         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
  |         at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)
  |         at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:525)
  |         at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
  |         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
  |         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
  |         at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
  |         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
  |         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:241)
  |         at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
  |         at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:580)
  |         at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
  |         at java.lang.Thread.run(Thread.java:619)
  | Caused by: javax.el.ELException: Error reading 'rowData' on type org.jboss.seam.jsf.ListDataModel
  |         at javax.el.BeanELResolver.getValue(BeanELResolver.java:66)
  |         at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:53)
  |         at com.sun.faces.el.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:64)
  |         at org.jboss.el.parser.AstPropertySuffix.getValue(AstPropertySuffix.java:53)
  |         at org.jboss.el.parser.AstValue.getValue(AstValue.java:67)
  |         at org.jboss.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:186)
  |         at org.jboss.seam.core.Expressions$1.getValue(Expressions.java:112)
  |         at org.jboss.seam.Component.getValueToInject(Component.java:2130)
  |         at org.jboss.seam.Component.injectAttributes(Component.java:1603)
  |         at org.jboss.seam.Component.inject(Component.java:1421)
  |         at org.jboss.seam.core.BijectionInterceptor.aroundInvoke(BijectionInterceptor.java:45)
  |         at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
  |         at org.jboss.seam.persistence.ManagedEntityIdentityInterceptor.aroundInvoke(ManagedEntityIdentityInterceptor.java:48)
  |         at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
  |         at org.jboss.seam.transaction.RollbackInterceptor.aroundInvoke(RollbackInterceptor.java:31)
  |         at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
  |         at org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:42)
  |         at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
  |         at org.jboss.seam.persistence.EntityManagerProxyInterceptor.aroundInvoke(EntityManagerProxyInterceptor.java:26)
  |         at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
  |         at org.jboss.seam.persistence.HibernateSessionProxyInterceptor.aroundInvoke(HibernateSessionProxyInterceptor.java:27)
  |         at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
  |         at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:106)
  |         at org.jboss.seam.intercept.SessionBeanInterceptor.aroundInvoke(SessionBeanInterceptor.java:50)
  |         at sun.reflect.GeneratedMethodAccessor166.invoke(Unknown Source)
  | 
  | 
  | 

Any suggestions ?

Regards

Louis

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