Error in t:tree component of tomahawk

I am using tree component of tomahawk like this in my xhtml file
<t:tree id="tree" value="#{treeBean.tree}"
styleClass="tree"
nodeClass="treenode"
selectedNodeClass="treenodeSelected"
expandRoot="true">
</t:tree>
and this is my class file,
public class TreeBean
private DefaultTreeModel tree;
public DefaultTreeModel getTree() {
return tree;
public void setTree(DefaultTreeModel tree) {
this.tree = tree;
public TreeBean()
DefaultMutableTreeNode root = new DefaultMutableTreeNode("XY");
DefaultMutableTreeNode a = new DefaultMutableTreeNode("A");
root.insert(a);
DefaultMutableTreeNode b = new DefaultMutableTreeNode("B");
root.insert(b);
DefaultMutableTreeNode c = new DefaultMutableTreeNode("C");
root.insert(c);
DefaultMutableTreeNode node = new DefaultMutableTreeNode("a1");
a.insert(node);
node = new DefaultMutableTreeNode("a2 ");
a.insert(node);
node = new DefaultMutableTreeNode("b ");
b.insert(node);
a = node;
node = new DefaultMutableTreeNode("x1");
a.insert(node);
node = new DefaultMutableTreeNode("x2");
a.insert(node);
tree = new DefaultTreeModel(root);
but when i run my xhtml file, i am getting error like this,
java.lang.NullPointerException
     at org.apache.myfaces.custom.tree.HtmlTree.addToModelListeners(HtmlTree.java:806)
at org.apache.myfaces.custom.tree.HtmlTree.encodeBegin(HtmlTree.java:683)
at com.sun.facelets.tag.jsf.ComponentSupport.encodeRecursive(ComponentSupport.java:232)
     at com.sun.facelets.tag.jsf.ComponentSupport.encodeRecursive(ComponentSupport.java:239)
     at com.sun.facelets.tag.jsf.ComponentSupport.encodeRecursive(ComponentSupport.java:239)
     at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:580)
     at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:384)
     at javax.faces.webapp.FacesServlet.service(FacesServlet.java:138)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:585)
     at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:243)
     at java.security.AccessController.doPrivileged(Native Method)
     at javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
     at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:275)
     at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:161)
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:245)
     at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:50)
     at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:156)
     at java.security.AccessController.doPrivileged(Native Method)
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:152)
     at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:144)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:585)
     at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:243)
     at java.security.AccessController.doPrivileged(Native Method)
     at javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
     at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:275)
     at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:217)
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:197)
     at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:50)
     at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:156)
     at java.security.AccessController.doPrivileged(Native Method)
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:152)
     at incture.view.SecurityFilter.doFilter(SecurityFilter.java:62)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:585)
     at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:243)
     at java.security.AccessController.doPrivileged(Native Method)
     at javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
     at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:275)
     at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:217)
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:197)
     at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:50)
     at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:156)
     at java.security.AccessController.doPrivileged(Native Method)
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:152)
     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
     at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
     at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
     at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
     at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
     at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
     at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
     at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
     at java.lang.Thread.run(Thread.java:595)
How to solve this,
Regars,
Vinutha.

Hi i have the same problem, Did you found a solution ?

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Edited by: mspivak on Jan 10, 2012 12:33 PM
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Class Name: com.sun.faces.el.PropertyResolverImpl
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* Copyright 2005 The Apache Software Foundation.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
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                    //去找到所有属于它的销售点
                    //System.out.println(" agency.getId() = "+agency.getId());
                         List subList = HibDb.queryHQL("from Agency a where a.agency.id = '"+agency.getId()+"'and a.status ='"+ConstParas.common3Status.ACTIVE.getStatus()+"'", 0, 0);
                         for(int k=0;k<subList.size();k++){
                              subAgency = (Agency)subList.get(k);
                              if(subAgency.getCode().length()==agencyCodeLen)
                                        formatFolder = "foo-folder";
                                   else
                                        formatFolder = "bar-folder";
                              folderNode = new TreeNodeBase(formatFolder, "<input type='checkbox' id='agency_"+chinaLinkAgency.getId()+"_"+agency.getId()+"_"+subAgency.getId()+"' value='"+subAgency.getId()+"'onclick='getSelectAgency(this)'>"+subAgency.getName()+"", false);
//                              folderNode.getChildren().add(new TreeNodeBase("document", "X050001", true));
//                              personNode.getChildren().add(folderNode);
                              List subListPoint = HibDb.queryHQL("from Agency a where a.agency.id = '"+subAgency.getId()+"' and a.status = '"+ConstParas.common3Status.ACTIVE.getStatus()+"'", 0, 0);
                              for(int l=0;l<subListPoint.size();l++){
                                   subAgencyPoint = (Agency)subListPoint.get(l);
                                   if(subAgencyPoint.getCode().length()==agencyCodeLen)
                                             formatFolder = "foo-folder";
                                        else
                                             formatFolder = "bar-folder";
                                   folderNodePoint = new TreeNodeBase(formatFolder, "<input type='checkbox' id='agency_"+chinaLinkAgency.getId()+"_"+agency.getId()+"_"+subAgency.getId()+"_"+subAgencyPoint.getId()+"' value='"+subAgencyPoint.getId()+"'onclick='getSelectAgency(this)'>"+subAgencyPoint.getName()+"", true);
                                   folderNode.getChildren().add(folderNodePoint);
//                                        personNode.getChildren().add(folderNode);
                              personNode.getChildren().add(folderNode);
                    treeData.getChildren().add(personNode);
return treeData;
* NOTE: This is just to show an alternative way of supplying tree data. You can supply either a
* TreeModel or TreeNode.
* @return TreeModel
public TreeModel getExpandedTreeData()
return new TreeModelBase(getTreeData());
public void setTree(HtmlTree tree)
_tree = tree;
public HtmlTree getTree()
return _tree;
public String expandAll()
_tree.expandAll();
return null;
private String _nodePath;
public void setNodePath(String nodePath)
_nodePath = nodePath;
public String getNodePath()
return _nodePath;
public void checkPath(FacesContext context, UIComponent component, java.lang.Object value)
// make sure path is valid (leaves cannot be expanded or renderer will complain)
FacesMessage message = null;
String[] path = _tree.getPathInformation(value.toString());
for (int i = 0; i < path.length; i++)
String nodeId = path;
try
_tree.setNodeId(nodeId);
catch (Exception e)
throw new ValidatorException(message, e);
if (_tree.getNode().isLeaf())
message = new FacesMessage(FacesMessage.SEVERITY_ERROR,
"Invalid node path (cannot expand a leaf): " + nodeId,
"Invalid node path (cannot expand a leaf): " + nodeId);
throw new ValidatorException(message);
public void expandPath(ActionEvent event)
tree.expandPath(tree.getPathInformation(_nodePath));
it support your checkboxi
Message was edited by:
lysmart

Error while Deleting Software Component

Hi All,
I am getting following error while deleting Software Component Version:
Unable to Delete object DELETEDEMO_COMPONENET, 1.0 of delete.
You cannot delete a sotware component version if it contains imported interfaces.
Is there any shortcut isntead of deleting all objets manuually?
Sri

Hi Sri.
It's very simple
Solution:
Double Click on Software Component, On Right Hand side >Go to Software Component Version->Delete the software component.If all the necessary Objects have been properly deleted, there will be no problem in Deleting the Software Componet version
1) Delete the created Data Types, Message Types, Message Interfaces, Message Mappings, and Interface Mappings.
2) There should be no Imported SAP Objects in the Software Component. If any delete them and activate changes.
3) Delete all namespaces in the editor using sign. Do not save the changes.
4) Delete the two default data types that are created in the Interface Objects-->Data Types of the software component version (ExchangeFaultdata, ExchangeLogdata). Now save changes for the s/w component version and activate the changes. Ignore the warnings that pop-up.
5) The radio button for u201CInterface import should be at u201CNot permittedu201D instead of u201CImport RFC and IDoc Interfaces from SAP Systems Permittedu201D.
6) Now go to Software component version menu in the right hand pane. Click on delete and the software component vanishes from left hand pane
>> Is there any shortcut isntead of deleting all objets manuually?
NO.. other way or any any shortcut for this
Abid

Error in t:tree component of tomahawk

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