IllegalArgumentException when expanding tree
Hi Friends:
I get the following error when I try to follow the example in the documentation. I really would appreciate any help because this is a project for work.
Juan C.
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HTTP Status 500 -
type Exception report
message
descriptionThe server encountered an internal error () that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: In AbstractTreeDataModel rowIndex must be -1.
root cause
java.lang.IllegalArgumentException: In AbstractTreeDataModel rowIndex must be -1.
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Index.jxp
<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
<%@ taglib uri="http://java.sun.com/jsf/core" prefix="f" %>
<%@ taglib uri="http://java.sun.com/jsf/html" prefix="h" %>
<!-- RichFaces tag library declaration -->
<%@ taglib uri="http://richfaces.org/a4j" prefix="a4j"%>
<%@ taglib uri="http://richfaces.org/rich" prefix="rich"%>
<html>
<head>
<title>RichFaces Greeter</title>
</head>
<body>
<f:view>
<a4j:form>
<rich:panel header="RichFaces Greeter" style="width: 315px">
<h:panelGroup>
<rich:tree value="#{tree.stationNodes}" var="station">
<rich:treeNode>
<h:outputText value="#{station}" />
</rich:treeNode>
</rich:tree>
</h:panelGroup>
</rich:panel>
</a4j:form>
</f:view>
</body>
</html>
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Tree.java
package demo;
import org.richfaces.model.TreeNodeImpl;
public class Tree {
private TreeNodeImpl<String> stationRoot = new TreeNodeImpl<String>();
private TreeNodeImpl<String> stationNodes = new TreeNodeImpl<String>();
private String[] kickRadioFeed = {"Hall & Oates - Kiss On My List",
"David Bowie - Let's Dance", "Lyn Collins - Think (About It)",
"Kim Carnes - Bette Davis Eyes",
"KC & the Sunshine Band - Give It Up"};
public Tree() {
stationRoot.setData("KickRadio");
stationNodes.addChild(0, stationRoot);
for (int i = 0; i < kickRadioFeed.length; i++) {
TreeNodeImpl<String> child = new TreeNodeImpl<String>();
child.setData(kickRadioFeed[i]);
stationRoot.addChild(i, child);
}
}
public TreeNodeImpl<String> getStationNodes() {
return stationNodes;
}
public void setStationNodes(TreeNodeImpl<String> stationNodes) {
this.stationNodes = stationNodes;
}
}
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faces-config.xml
<?xml version="1.0" encoding="UTF-8"?>
<faces-config version="1.2"
xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xi="http://www.w3.org/2001/XInclude"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-facesconfig_1_2.xsd">
<managed-bean>
<description>Tree Bean</description>
<managed-bean-name>tree</managed-bean-name>
<managed-bean-class>demo.Tree</managed-bean-class>
<managed-bean-scope>request</managed-bean-scope>
</managed-bean>
</faces-config>
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Libraries
commons-beanutils-1.8.0.jar
commons-collections-3.2.jar
commons-digester-1.8.1.jar
commons-logging-1.0.4.jar
jhighlight-1.0.jar
log4j-1.2.14.jar
richfaces-api-3.3.3.CR1.jar
richfaces-impl-3.3.3.CR1.ja
richfaces-ui-3.3.3.CR1.jar
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DaneSius1.ear 10.3 MB
