I copy the source code of treeTable to test (http://www.primefaces.org/showcase/ui/treeTable.jsf),
everything is working , but when I click the options command to show the dialog that the server will
display the error message and the dialog never display the information of
documentsController.selectedDocument , this problem also present on the "Tree - Ajax Selection", it can
display the node, but when I click the node, the ajax never work and the dialog never show, anyone can
help me?
error message:
Code: Select all
javax.faces.FacesException: java.lang.ClassCastException: [Ljava.lang.Object; cannot be cast to com.sun.faces.application.view.StateHolderSaver
at javax.faces.component.UIComponent.invokeOnComponent(UIComponent.java:1256)
at javax.faces.component.UIComponentBase.invokeOnComponent(UIComponentBase.java:672)
at com.sun.faces.application.view.StateManagementStrategyImpl.restoreView(StateManagementStrategyImpl.java:284)
at com.sun.faces.application.StateManagerImpl.restoreView(StateManagerImpl.java:177)
at com.sun.faces.application.view.ViewHandlingStrategy.restoreView(ViewHandlingStrategy.java:131)
at com.sun.faces.application.view.FaceletViewHandlingStrategy.restoreView(FaceletViewHandlingStrategy.java:430)
at com.sun.faces.application.view.MultiViewHandler.restoreView(MultiViewHandler.java:143)
at com.sun.faces.lifecycle.RestoreViewPhase.execute(RestoreViewPhase.java:199)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
at com.sun.faces.lifecycle.RestoreViewPhase.doPhase(RestoreViewPhase.java:110)
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:312)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
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.core.StandardHostValve.invoke(StandardHostValve.java:127)
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:298)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:857)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassCastException: [Ljava.lang.Object; cannot be cast to com.sun.faces.application.view.StateHolderSaver
at com.sun.faces.application.view.StateManagementStrategyImpl$4.invokeContextCallback(StateManagementStrategyImpl.java:288)
at javax.faces.component.UIComponent.invokeOnComponent(UIComponent.java:1253)
... 23 moreCode: Select all
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:p="http://primefaces.prime.com.tr/ui">
<h:head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<title>Insert title here</title>
</h:head>
<h:body>
<h:form prependId="false">
<p:treeTable value="#{documentsController.root}" var="document">
<p:column>
<f:facet name="header">
Name
</f:facet>
<h:outputText value="#{document.name}" />
</p:column>
<p:column>
<f:facet name="header">
Size
</f:facet>
<h:outputText value="#{document.size}" />
</p:column>
<p:column>
<f:facet name="header">
Type
</f:facet>
<h:outputText value="#{document.type}" />
</p:column>
<p:column>
<f:facet name="header">
Options
</f:facet>
<p:commandLink update="documentPanel" oncomplete="documentDialog.show()" title="View Detail">
<p:graphicImage value="/images/search.png"/>
<f:setPropertyActionListener value="#{document}"
target="#{documentsController.selectedDocument}" />
</p:commandLink>
</p:column>
</p:treeTable>
<p:dialog header="Document Detail" fixedCenter="true" effect="FADE" effectDuration="0.3"
widgetVar="documentDialog" modal="true">
<p:outputPanel id="documentPanel">
<h:panelGrid columns="2" cellpadding="5">
<h:outputLabel for="name" value="Name: " />
<h:outputText id="name" style="font-weight:bold"
value="#{documentsController.selectedDocument.name}" />
<h:outputLabel for="size" value="Size: " />
<h:outputText id="size" style="font-weight:bold"
value="#{documentsController.selectedDocument.size}" />
<h:outputLabel for="type" value="Type " />
<h:outputText id="type" style="font-weight:bold"
value="#{documentsController.selectedDocument.type}" />
</h:panelGrid>
</p:outputPanel>
</p:dialog>
</h:form>
</h:body>
</html>DocumentsController.java
Code: Select all
@ManagedBean
@SessionScoped
public class DocumentsController implements Serializable{
private static final long serialVersionUID = 1L;
private static final Logger logger = Logger.getLogger(DocumentsController.class.getName());
private TreeNode root;
private Document selectedDocument;
public DocumentsController() {
root = new DefaultTreeNode("root", null);
TreeNode documents = new DefaultTreeNode(new Document("Documents", "-", "Folder"), root);
TreeNode pictures = new DefaultTreeNode(new Document("Pictures", "-", "Folder"), root);
TreeNode music = new DefaultTreeNode(new Document("Music", "-", "Folder"), root);
TreeNode work = new DefaultTreeNode(new Document("Work", "-", "Folder"), documents);
TreeNode primefaces = new DefaultTreeNode(new Document("PrimeFaces", "-", "Folder"), documents);
//Documents
TreeNode expenses = new DefaultTreeNode("document", new Document("Expenses.doc", "30 KB", "Word Document"), work);
TreeNode resume = new DefaultTreeNode("document", new Document("Resume.doc", "10 KB", "Word Document"), work);
TreeNode refdoc = new DefaultTreeNode("document", new Document("RefDoc.pages", "40 KB", "Pages Document"), primefaces);
//Pictures
TreeNode barca = new DefaultTreeNode("picture", new Document("barcelona.jpg", "30 KB", "JPEG Image"), pictures);
TreeNode primelogo = new DefaultTreeNode("picture", new Document("logo.jpg", "45 KB", "JPEG Image"), pictures);
TreeNode optimus = new DefaultTreeNode("picture", new Document("optimusprime.png", "96 KB", "PNG Image"), pictures);
//Music
TreeNode turkish = new DefaultTreeNode(new Document("Turkish", "-", "Folder"), music);
TreeNode cemKaraca = new DefaultTreeNode(new Document("Cem Karaca", "-", "Folder"), turkish);
TreeNode erkinKoray = new DefaultTreeNode(new Document("Erkin Koray", "-", "Folder"), turkish);
TreeNode mogollar = new DefaultTreeNode(new Document("Mogollar", "-", "Folder"), turkish);
TreeNode nemalacak = new DefaultTreeNode("mp3", new Document("Nem Alacak Felek Benim", "1500 KB", "Audio File"), cemKaraca);
TreeNode resimdeki = new DefaultTreeNode("mp3", new Document("Resimdeki Gozyaslari", "2400 KB", "Audio File"), cemKaraca);
TreeNode copculer = new DefaultTreeNode("mp3", new Document("Copculer", "2351 KB", "Audio File"), erkinKoray);
TreeNode oylebirgecer = new DefaultTreeNode("mp3", new Document("Oyle bir Gecer", "1794 KB", "Audio File"), erkinKoray);
TreeNode toprakana = new DefaultTreeNode("mp3", new Document("Toprak Ana", "1536 KB", "Audio File"), mogollar);
TreeNode bisiyapmali = new DefaultTreeNode("mp3", new Document("Bisi Yapmali", "2730 KB", "Audio File"), mogollar);
}
............getter and setter