[jbossseam-issues] [JBoss JIRA] Created: (JBSEAM-3430) s:selectitems noSelectionLabel broken for java.util.Map

Francisco Jose Peredo Noguez (JIRA) jira-events at lists.jboss.org
Thu Sep 18 09:55:21 EDT 2008


s:selectitems noSelectionLabel broken for java.util.Map 
--------------------------------------------------------

                 Key: JBSEAM-3430
                 URL: https://jira.jboss.org/jira/browse/JBSEAM-3430
             Project: Seam
          Issue Type: Bug
          Components: JSF Controls, JSF Integration
    Affects Versions: 2.0.2.SP1
         Environment: On plain Tomcat 6.0.18, with JDK 1.6.u7
            Reporter: Francisco Jose Peredo Noguez


This works fine, it uses a using a List<Map> as source in #{controller.sourceList}, and it should put the selected map in #{controller.mapProperty['key']} (BTW it seems it is putting the toString() fo the map in #{controller.mapProperty['key']} instead of the Map):

<h:selectOneMenu name="selectName" value="#{controller.mapProperty['key']}" >
<s:selectItems  value="#{controller.sourceList}" var="item" label="#{item['label']}"/>                                                                            
</h:selectOneMenu>

This crashes (the difference? I added a noSelectionLabel):

<h:selectOneMenu name="selectName" value="#{controller.mapProperty['key']}" >
<s:selectItems noSelectionLabel="Please select item"  value="#{controller.sourceList}" var="item" label="#{item['label']}"/>                                                                              
</h:selectOneMenu>

Stack trace: 

java.lang.NullPointerException: Argument Error: Parameter targetClass is null
        at com.sun.faces.application.ApplicationImpl.createConverter(ApplicationImpl.java:740)
        at org.jboss.seam.jsf.SeamApplication.createConverter(SeamApplication.java:126)
        at org.jboss.seam.ui.converter.ConverterChain.<init>(ConverterChain.java:88)
        at org.jboss.seam.ui.component.UISelectItems.noSelectionLabel(UISelectItems.java:225)
        at org.jboss.seam.ui.component.UISelectItems.getValue(UISelectItems.java:149)
        at com.sun.faces.renderkit.RenderKitUtils.getSelectItems(RenderKitUtils.java:323)
        at com.sun.faces.renderkit.html_basic.MenuRenderer.getOptionNumber(MenuRenderer.java:675)
        at com.sun.faces.renderkit.html_basic.MenuRenderer.renderSelect(MenuRenderer.java:793)
        at com.sun.faces.renderkit.html_basic.MenuRenderer.encodeEnd(MenuRenderer.java:335)
        at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:836)
        at javax.faces.component.UIComponent.encodeAll(UIComponent.java:896)
        at javax.faces.component.UIComponent.encodeAll(UIComponent.java:892)
        at javax.faces.component.UIComponent.encodeAll(UIComponent.java:892)
        at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:592)
        at org.ajax4jsf.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:108)
        at org.ajax4jsf.application.AjaxViewHandler.renderView(AjaxViewHandler.java:216)
        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.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83)
        at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:85)
        at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
        at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64)
        at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
        at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
        at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
        at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:141)
        at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:281)
        at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:60)
        at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
        at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:58)
        at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
        at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:68)
        at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
        at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:433)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
        at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
        at java.lang.Thread.run(Thread.java:619)

I think that the problem is that it can not determine the right type for the #{controller.mapProperty['key']} expression since it an entry in a java.util.Map instead of a property in a bean. 

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