<tr:selectOneListbox> and <tr:selectOneChoice> throw on empty map
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Key: TRINIDAD-993
URL: https://issues.apache.org/jira/browse/TRINIDAD-993
Project: MyFaces Trinidad
Issue Type: Bug
Components: Components
Affects Versions: 1.2.6-core
Environment: jsf-1.2_07-b03-FCS
Reporter: Paul van Rossem
When the last item in a selectOneListbox is removed the renderer throws. But an
empty list should be allowed.
Also the exception message makes no sense (submittedValue's index "0" should be
between "0" and "-1", see below).
The same holds for selectOneChoice.
Example jsf file:
<?xml version="1.0" encoding="UTF-8" ?>
<jsp:root version="2.0"
xmlns:jsp="http://java.sun.com/JSP/Page";
xmlns:f="http://java.sun.com/jsf/core";
xmlns:h="http://java.sun.com/jsf/html";
xmlns:tr="http://myfaces.apache.org/trinidad";>
<jsp:directive.page contentType="text/html; charset=utf-8"/>
<f:view>
<tr:document title="selectOneListbox exception">
<tr:outputText value="Please select the item in the list and then click
delete"/>
<tr:form>
<tr:panelFormLayout>
<tr:selectOneListbox label="Items:" value="#{bean.item}" size="4"
autoSubmit="true">
<f:selectItems value="#{bean.items}"/>
</tr:selectOneListbox>
<tr:commandButton text="Delete Selected Item"
actionListener="#{bean.deleteItem}"
immediate="true"/>
</tr:panelFormLayout>
</tr:form>
</tr:document>
</f:view>
</jsp:root>
Corresponding bean:
package nl.timeware.vrtsim.beans;
import java.util.*;
import javax.faces.event.ActionEvent;
public class Bean
{
private int numberItems = 1; // start with 1 item
public int getItem()
{ return numberItems == 1 ? 1 : -1; // either 1 or no items
}
public void setItem(int id)
{
}
public Map<String, Integer> getItems()
{ System.out.println("Bean.getItems(): loading list with " + numberItems + "
items");
Map<String, Integer> itemMap = new TreeMap<String, Integer>();
if (numberItems > 0)
itemMap.put("Item 1", 1);
return itemMap;
}
public void deleteItem(ActionEvent event)
{ numberItems = 0; // remove item
}
}
Exception thrown:
Mar 4, 2008 7:57:35 PM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet Faces Servlet threw exception
java.lang.IndexOutOfBoundsException: SelectOne submittedValue's index 0 is out
of bounds. It should be between 0 and -1
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.SimpleSelectOneRenderer.__getIndex(SimpleSelectOneRenderer.java:403)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.SimpleSelectOneRenderer._getSelectedIndex(SimpleSelectOneRenderer.java:470)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.SimpleSelectOneRenderer.encodeAllAsElement(SimpleSelectOneRenderer.java:259)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.FormElementRenderer.encodeAll(FormElementRenderer.java:109)
at
org.apache.myfaces.trinidad.render.CoreRenderer.delegateRenderer(CoreRenderer.java:335)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.InputLabelAndMessageRenderer.
renderFieldCellContents(InputLabelAndMessageRenderer.java:146)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.LabelAndMessageRenderer._renderFieldCell(LabelAndMessageRenderer.java:387)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.LabelAndMessageRenderer.encodeAll(LabelAndMessageRenderer.java:282)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.InputLabelAndMessageRenderer.encodeAll(InputLabelAndMessageRenderer.java:124)
at
org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:224)
at
org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:751)
at
org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:304)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.PanelFormLayoutRenderer._encodeFormItem(PanelFormLayoutRenderer.java:746)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.PanelFormLayoutRenderer._encodeFormColumns(PanelFormLayoutRenderer.java:672)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.PanelFormLayoutRenderer._encodeChildren(PanelFormLayoutRenderer.java:313)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.PanelFormLayoutRenderer.encodeAll(PanelFormLayoutRenderer.java:199)
at
org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:224)
at
org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:751)
at
org.apache.myfaces.trinidad.render.RenderUtils.encodeRecursive(RenderUtils.java:68)
at
org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:299)
at
org.apache.myfaces.trinidad.render.CoreRenderer.encodeAllChildren(CoreRenderer.java:321)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.PanelPartialRootRenderer.renderContent(PanelPartialRootRenderer.java:64)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.BodyRenderer.renderContent(BodyRenderer.java:139)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.PanelPartialRootRenderer.encodeAll(PanelPartialRootRenderer.java:119)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.BodyRenderer.encodeAll(BodyRenderer.java:79)
at
org.apache.myfaces.trinidad.render.CoreRenderer.delegateRenderer(CoreRenderer.java:335)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.DocumentRenderer.encodeAll(DocumentRenderer.java:80)
at
org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:224)
at
org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:751)
at
org.apache.myfaces.trinidad.component.UIXComponentBase.__encodeRecursive(UIXComponentBase.java:1339)
at
org.apache.myfaces.trinidad.component.UIXComponentBase.encodeAll(UIXComponentBase.java:771)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:942)
at
com.sun.faces.application.ViewHandlerImpl.doRenderView(ViewHandlerImpl.java:273)
at
com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:204)
at
javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:189)
at
org.apache.myfaces.trinidadinternal.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:176)
at
com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:110)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at
org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._invokeDoFilter(TrinidadFilterImpl.java:238)
at
org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:195)
at
org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:138)
at
org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)
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:175)
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.Http11AprProcessor.process(Http11AprProcessor.java:856)
at
org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:565)
at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1509)
at java.lang.Thread.run(Unknown Source)
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