Tree & treeNode

[evgenymorozov]

There is a problem with tree component. I have done all the same on the documentations with Library, Artist and so on. But there is nothing on my web-page: no tree, no exception - just nothing, but on the html-code there is a tree without data and on the debug-mode Library is not invoked.
Could comebody help me with it?

[adrian.iacob]

Give more details.
As far as I understood you create a tree like connections between your classes using the interface TreeNode. Their example has a start managed bean that implements TreeNode that load everything from a text file.

It worked for me

[evgenymorozov]

"adrian.iacob" wrote:
Give more details.
As far as I understood you create a tree like connections between your classes using the interface TreeNode. Their example has a start managed bean that implements TreeNode that load everything from a text file.

It worked for me

I just tried to more simple example - without text file. So I have this classes:

@Stateful
@Name("tmanager")
public class Treemanager implements TreemanagerInterface
{
 private Treeroot root;

 /* (non-Javadoc)
 * @see TreemanagerInterface#destroy()
 */
 @Remove
 @Destroy
 public void destroy()
 {
 }

 /* (non-Javadoc)
 * @see TreemanagerInterface#getData()
 */
 public Object getData()
 {
 if (root == null)
 {
 init();
 }
 return root;
 }

 private void init()
 {
 this.root = new Treeroot();
 this.root.setType("root");
 this.root.setName("root");
 this.root.setParent(null);

 for (int i = 0; i < 4; i++)
 {
 Treeroot item = new Treeroot();
 item.setType("root");
 item.setParent(this.root);
 item.setId(i);
 this.root.addChild(i, item);
 item.setType("item");
 item.setName("item" + i);
 }
 }
}

import org.richfaces.component.TreeNode;

public class Treeroot implements TreeNode
{
 private static final long serialVersionUID = 1L;
 private int id;
 private Map<Object, TreeNode> childs;
 private TreeNode parent;
 private String name;
 private String type;

 public Treeroot()
 {
 childs = new HashMap<Object, TreeNode>();
 }

 public Treeroot(String name)
 {
 this();
 this.name = name;
 }

 public Treeroot(String name, TreeNode parent)
 {
 this(name);
 setParent(parent);
 }

 public void addChild(Object id, TreeNode child)
 {
 getChilds().put(id, child);
 }

 public int getChildsSize()
 {
 return getChilds().size();
 }

 private Map<Object, TreeNode> getChilds()
 {
 return this.childs;
 }

 public TreeNode getChild(Object id)
 {
 return (TreeNode)getChilds().get(id);
 }

 public Iterator getChildren()
 {
 return getChilds().entrySet().iterator();
 }

 public Object getData()
 {

 return this;
 }

 public TreeNode getParent()
 {
 return this.parent;
 }

 public boolean isLeaf()
 {
 return getChilds().isEmpty();
 }

 public void removeChild(Object id)
 {
 TreeNode tmp = getChild(id);
 tmp.setParent(null);
 getChilds().remove(id);
 }

 public void setData(Object arg0)
 {
 }

 public void setParent(TreeNode parent)
 {
 this.parent = parent;
 }

 public String getName()
 {
 return name;
 }

 public void setName(String name)
 {
 this.name = name;
 }

 public String toString()
 {
 return name;
 }

 public String getType()
 {
 return name;
 }

 public void setType(String type)
 {
 this.type = type;
 }

 public int getId()
 {
 return id;
 }

 public void setId(int id)
 {
 this.id = id;
 }
}

And there is my xhtml page:

<rich:tree switchType="client" width="300" height="150" value="#{tmanager.data}" var="item" nodeFace="test">
 <rich:treeNode type="test">
 <h:outputText value="#{item.name}" />
 </rich:treeNode>
 </rich:tree>

But now when I'm trying to deploy I get next exceptions:

21:48:36,637 WARN [ServiceController] Problem starting service jboss.j2ee:service=EJB3,module=mytree2.jar
java.lang.NoClassDefFoundError: org/richfaces/component/TreeNode
 at java.lang.Class.getDeclaredMethods0(Native Method)
 at java.lang.Class.privateGetDeclaredMethods(Unknown Source)
 at java.lang.Class.getDeclaredMethods(Unknown Source)
 at org.jboss.injection.InjectionUtil.processMethodAnnotations(InjectionUtil.java:96)
 at org.jboss.injection.InjectionUtil.processAnnotations(InjectionUtil.java:172)
 at org.jboss.ejb3.EJBContainer.processMetadata(EJBContainer.java:270)
...

And

21:48:43,617 ERROR [[/mytree2]] Exception sending context initialized event to listener instance of class org.jboss.seam.servlet.SeamListener
java.lang.RuntimeException: Could not create Component: tmanager
 at org.jboss.seam.init.Initialization.addComponent(Initialization.java:865)
 at org.jboss.seam.init.Initialization.installComponents(Initialization.java:796)
 at org.jboss.seam.init.Initialization.init(Initialization.java:503)
 at org.jboss.seam.servlet.SeamListener.contextInitialized(SeamListener.java:33)
 at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3763)
 at org.apache.catalina.core.StandardContext.start(StandardContext.java:4211)
 at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:759)
...

It seems that I didn't do something. But I'm reading seam_reference now and I didn't find answer for my question yet. It'll be very good if you could help me.

[dustismo]

I believe its a classloading problem. you probably need to set usejbossclassloader=true (search the forums for instructions)

[evgenymorozov]

Have done... but problem wasn't solved.
Yesterday I have created tree with nodes, it works fine, but it seems there is some bugs...
I think problem is in the other place - I just started to read j2ee tutorial and I don't understand all features of components, tags and so on. So I'm going to continue read tutorial.

Thanks a lot for your answers.

[nbelaevski]

Hello!

Maybe that will help: http://www.jboss.com/index.html?module=bb&op=viewtopic&t=104440?