1 Reply Latest reply on Jun 21, 2007 3:35 PM by Ning Zhao

    [1.3.0 Alpha]property 'aString'  not found on type java.lang

    Ning Zhao Apprentice

      This exception:

      javax.el.PropertyNotFoundException: /new-recipe.xhtml @127,54 value="#{ingre.unitSeq}": Property 'unitSeq' not found on type java.lang.String


      Here is the relevant code in the new-recipe.xhtml:

      <rich:panel id="storedIngredients"
       rendered="#{createRecipe.ingredients.size > 0}">
       <h:dataTable value="createRecipe.ingredients" var="ingre">
       <h:column>
       <f:facet name="header">
       <h:outputText value="Measurement" />
       </f:facet>
       <h:outputText value="#{ingre.unitSeq}" />
       </h:column>
       </h:dataTable>
       </rich:panel>
      


      Here is the relevant code in the backing bean:
      @Stateful
      @Name("createRecipe")
      @Scope(CONVERSATION)
      public class CreateRecipeUseCase implements Serializable, CreateRecipe {
      
       @In private EntityManager entityManager;
      
       @In(required = false)
       @Out(required = false)
       private Recipe recipe;
      
       private Integer recipeId;
      
       private List<Ingredient> ingredients;
      
      
       @Begin
       public void stageOne() {
       entityManager.persist(recipe);
       recipeId = recipe.getId();
       ingredients = new ArrayList<Ingredient>();
       }
      
       ...
      
       public void addAnIngredient(BigDecimal amount) {
       Food tmp = entityManager.find(Food.class, "01001"); //for testing purpose
       try {
       Ingredient ingre = new Ingredient(recipe, tmp,
       ingredient.getAmount(), this.ingreWeight.getSeq());
       entityManager.persist(ingre);
       this.ingredients.add(ingre);
       } catch (EatSmartPersistenceException e) {
       // TODO Auto-generated catch block
       e.printStackTrace();
       }
       }
      
      
       @End
       public void cancel() {}
      
       @Remove
       @Destroy
       public void destroy() {}
      
       /**
       * @return the ingredients
       */
       public List<Ingredient> getIngredients() {
       return ingredients;
       }
      
       /**
       * @param ingredients
       * the ingredients to set
       */
       public void setIngredients(List<Ingredient> ingredients) {
       this.ingredients = ingredients;
       }
      
       /**
       * @return the recipeId
       */
       public Integer getRecipeId() {
       return recipeId;
       }
      
       /**
       * @param recipeId
       * the recipeId to set
       */
       public void setRecipeId(Integer recipeId) {
       this.recipeId = recipeId;
       }
      
       // other methods ...
      


      It's very strange since the new ingredient instance was always successfully created and in the database the persisted evidence can also be found. Why the attributes of a persisted new ingredient cannot be displayed on the page? I'm using Seam 1.3.0 Alpha on JBoss AS 4.2.0. Here is the full error stack:

      2007-06-21 19:50:17,218 DEBUG [org.jboss.seam.Component] done initializing: org.jboss.seam.persistence.persistenceProvider
      2007-06-21 19:50:17,234 DEBUG [org.jboss.seam.contexts.Contexts] found in event context: ingre
      2007-06-21 19:50:17,234 DEBUG [org.jboss.seam.contexts.Contexts] found in event context: ajaxContext
      2007-06-21 19:50:17,234 ERROR [STDERR] Jun 21, 2007 7:50:17 PM com.sun.facelets.FaceletViewHandler handleRenderException
      SEVERE: Error Rendering View[/new-recipe.xhtml]
      javax.faces.FacesException: javax.el.PropertyNotFoundException: /new-recipe.xhtml @127,54 value="#{ingre.unitSeq}": Property 'unitSeq' not found on type java.lang.String
      at javax.faces.component.UIOutput.getValue(UIOutput.java:176)
      at com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getValue(HtmlBasicInputRenderer.java:189)
      at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.getCurrentValue(HtmlBasicRenderer.java:320)
      at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeEnd(HtmlBasicRenderer.java:200)
      at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:833)
      at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeRecursive(HtmlBasicRenderer.java:279)
      at com.sun.faces.renderkit.html_basic.TableRenderer.encodeChildren(TableRenderer.java:307)
      at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:809)
      at org.ajax4jsf.framework.renderer.RendererBase.renderChild(RendererBase.java:282)
      at org.ajax4jsf.framework.renderer.RendererBase.renderChildren(RendererBase.java:262)
      at org.richfaces.renderkit.html.PanelRenderer.doEncodeChildren(PanelRenderer.java:189)
      at org.richfaces.renderkit.html.PanelRenderer.doEncodeChildren(PanelRenderer.java:184)
      at org.ajax4jsf.framework.renderer.RendererBase.encodeChildren(RendererBase.java:121)
      at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:809)
      at org.ajax4jsf.framework.renderer.RendererBase.renderChild(RendererBase.java:282)
      at org.ajax4jsf.framework.renderer.RendererBase.renderChildren(RendererBase.java:262)
      at org.richfaces.renderkit.html.PanelRenderer.doEncodeChildren(PanelRenderer.java:189)
      at org.richfaces.renderkit.html.PanelRenderer.doEncodeChildren(PanelRenderer.java:184)
      at org.ajax4jsf.framework.renderer.RendererBase.encodeChildren(RendererBase.java:121)
      at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:809)
      at javax.faces.component.UIComponent.encodeAll(UIComponent.java:886)
      at javax.faces.component.UIComponent.encodeAll(UIComponent.java:892)
      at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:571)
      at org.ajax4jsf.framework.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:108)
      at org.ajax4jsf.framework.ajax.AjaxViewHandler.renderView(AjaxViewHandler.java:233)
      at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:106)
      at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251)
      at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:144)
      at javax.faces.webapp.FacesServlet.service(FacesServlet.java:245)
      at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
      at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
      at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:70)
      at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:81)
      at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:56)
      at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:62)
      at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:56)
      at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:47)
      at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:56)
      at org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:293)
      at org.jboss.seam.web.AbstractAjax4jsfFilter.doFilter(AbstractAjax4jsfFilter.java:35)
      at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:56)
      at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:64)
      at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:56)
      at org.jboss.seam.web.SeamFilter.doFilter(SeamFilter.java:127)
      at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
      at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
      at org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:127)
      at org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:277)
      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:433)
      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:156)
      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.PropertyNotFoundException: /new-recipe.xhtml @127,54 value="#{ingre.unitSeq}": Property 'unitSeq' not found on type java.lang.String
      at com.sun.facelets.el.TagValueExpression.getValue(TagValueExpression.java:73)
      at javax.faces.component.UIOutput.getValue(UIOutput.java:173)
      ... 66 more

      Any enlightenment would be highly appreciated! Thanks in advance!!!


      Regards,
      Ellen