0

Listbox sorting in zk return error java.util.Hashmap cannot be cast to java.lang.Comparable.

asked 2011-03-08 04:30:48 +0800

yaryan997 gravatar image yaryan997
210 2

Hope that my problems will be solved by zk warriors.

Actually I had a sellerList.zul page in that values come from the database which contains SQL QUERY TO be executed and then I get the values in my sellerList.zul listbox.

my sellerList.zul page is

<?xml version="1.0" encoding="UTF-8"?>
<zk xmlns="http://www.zkoss.org/2005/zul">
<style src="/css/style.css" />
<?page id="seller" title="Certilogo ECC" ?>
<?init class="org.zkoss.zkplus.databind.AnnotateDataBinderInit" ?>
<?variable-resolver class="org.zkoss.zkplus.spring.DelegatingVariableResolver"?>
<window border="normal" id="sellerWindow" class="main_bg" apply="${internetSeller}"
xmlns:h="http://www.w3.org/1999/xhtml"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.zkoss.org/2005/zul http://www.zkoss.org/2005/zul/zul.xsd">
<h:form id="form" name="form" method="POST">
<div style="width:1000px;margin: 0 auto" >
		<include src="page_header.zul" />
		<div style="clear:both;" align="center">
			<div class="left">
				<include src="left_menu.zul" />
			</div>
			<div class="right">
			<!-- FIRST HEADING STARTS HERE -->
          	<div align="left">
            	<div><label value="FRAUD DETECTION"></label> / <label value="TRADITIONAL RETAILES"></label></div>
          	</div>
          	<!-- Filter Bar will be included here  -->
           	<!-- SECOND HEADING STARTS HERE -->
			<include src="filter_bar2.zul" />
				
			<div id="update_section" >
           		<div id="index_area">
             		<div id="product_table" align="left" width="100%" >
             	
             			<listbox id="sellerList" multiple="false" width="100%" height="100%">
						  <listhead>
						   <listheader visible="false"/>
						   <listheader label="Seller Name" width="18%" align="left" sort="auto" />
						   <listheader label="Auctions" width="14%" align="left" sort="auto"/>
						   <listheader label="Active Actions" width="14%" align="left" sort="auto"/>
						   <listheader label="Sold" width="10%" align="center"/>
						   <listheader label="Auth. OK" width="10%" align="center"/>
						   <listheader label="Auth. KO" width="10%" align="center"/>
						   <listheader label="Info. OK" width="10%" align="center"/>
						   <listheader label="Info. KO" width="10%" align="center"/>
						   <listheader label="Invalid" width="10%" align="center"/>
						   <listheader label="Fakes" width="10%" align="center"/>
						   <listheader label="Pre. Auth" width="10%" align="center"/>
						  </listhead>
						 </listbox>
				
				<separator height="10px"></separator>
					</div>
				<button id="exportExcel" label="Export Excel" onClick="sellerWindow$composer.generate();"/>
				
             	</div>
            </div>
		</div>
	</div>
	<div style="clear:both;" align="center">
	
	<include src="page_footer.zul" />
	
	</div>
</div>
</h:form>
</window>
</zk>

and my InternetSeller Controller is

public class InternetSeller extends BaseController2 implements ListitemRenderer{
	
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	
	protected InternetHibernateDao internetServiceDao = new InternetHibernateDao();
	/**
	 * @return the internetServiceDao
	 */
	public InternetHibernateDao getInternetServiceDao() {
		return internetServiceDao;
	}

	/**
	 * @param internetServiceDao the internetServiceDao to set
	 */
	public void setInternetServiceDao(InternetHibernateDao internetServiceDao) {
		this.internetServiceDao = internetServiceDao;
	}

	private String Dateto ="";
	private String Datefrom = ""; 
	//Listbox for displaying Seller list
	protected Listbox sellerList;
	//ListModelList to modelList of Seler available
	protected ListModelList listModelList = new ListModelList();
	
	//Listheader value for seller name
	protected Listheader seller_name;
	
		
	private List internetSellerList = new ArrayList();
	
	/**
	 * @return the internetSellerList
	 */
	public List getInternetSellerList() {
		return internetSellerList;
	}

	/**
	 * @param internetSellerList the internetSellerList to set
	 */
	public void setInternetSellerList(List internetSellerList) {
		this.internetSellerList = internetSellerList;
	}

	private long totalRecords = 0;
	
	/**
	 * @return the dateto
	 */
	public String getDateto() {
		return Dateto;
	}

	/**
	 * @return the datefrom
	 */
	public String getDatefrom() {
		return Datefrom;
	}

	/**
	 * @param dateto the dateto to set
	 */
	public void setDateto(String dateto) {
		Dateto = dateto;
	}

	/**
	 * @param datefrom the datefrom to set
	 */
	public void setDatefrom(String datefrom) {
		Datefrom = datefrom;
	}

	@Override
	public void doAfterCompose(Component comp) throws Exception {
		// TODO Auto-generated method stub
		super.doAfterCompose(comp);
		
		/*book = report.getBook();
		reportSheet = book.getWorksheet("ReportSheet");
		final Worksheet templateSheet = book.getWorksheet("TemplateSheet");
		templateRange = Ranges.range(templateSheet,"template");
		offset = ((Number)Ranges.range(templateSheet,"offset").getValue()).intValue();*/
		
		if(this.getFilterChanged().equals("true"))
		{
			logger.info("FILTER CHANGED");
			logger.info("date entered :"+ this.getyFrom() + "/"+this.getmFrom()+"/"+this.getyTo()+"/"+this.getmTo());
			Datefrom = this.getyFrom() + "-" + this.getmFrom() + "-1";
			
			int month = Integer.parseInt(this.getmTo() +1);
			if(month > 12) 
			{
				int year = Integer.parseInt(this.getyTo() +1);
				Dateto = year + "-1-1";
			}
			else
			{
				Dateto = this.getyTo() + "-" + (month) + "-1";
			}
					
		}
		else {
			logger.info("FILTER not CHANGED");
			Calendar now = Calendar.getInstance();
			Dateto = now.get(Calendar.YEAR) + "-" + (now.get(Calendar.MONTH) +1) + "-" + now.get(Calendar.DATE);
			
			now.add(Calendar.YEAR, -1);
			
			Datefrom = now.get(Calendar.YEAR) + "-" + (now.get(Calendar.MONTH) +1) + "-" +now.get(Calendar.DATE);
			
			this.setyFrom(String.valueOf(now.get(Calendar.YEAR)));
			this.setmFrom(String.valueOf(now.get(Calendar.MONTH) +1));
		}
		
		this.setPeriod_value("");
		
		this.setInternetSellerList();
		
	}

	private void setInternetSellerList() {
		// TODO Auto-generated method stub
		
		logger.info("service id before"+this.getService_id());
		if(this.getService_id().equals("0"))
		{
			this.setService_id(this.getService_id());
		}
		
		logger.info("service id after"+this.getService_id());
		
		//this.totalRecords = this.internetServiceDao.getSellerList(this.getService_id(),this.getSeason(),Datefrom,Dateto).size();
		this.setInternetSellerList(this.internetServiceDao.getSellerList(this.getService_id(),this.getSeason(),this.getDateFrom(),this.getDateTo()));
		
		listModelList.addAll(getInternetSellerList());
		sellerList.setModel(listModelList);
		sellerList.setItemRenderer(this);
		//sellerList.addEventListener("onSelect", arg1)
		
		//seller_name.setSortAscending(new FieldComparator("me_seller_name",true));
		//seller_name.setSortAscending(new FieldComparator("me_seller_name",false));
		
		//seller_name.setSortAscending(new FieldComparator("clg_seller_id", true));
		
	}

	/**
	 * @return the sellerList
	 */
	public Listbox getSellerList() {
		return sellerList;
	}

	/**
	 * @param sellerList the sellerList to set
	 */
	public void setSellerList(Listbox sellerList) {
		this.sellerList = sellerList;
	}

	public void render(Listitem listItem, Object data) throws Exception {
		// TODO Auto-generated method stub
		Map map = (Map) data; 
		new Listcell(map.get("clg_seller_id").toString()).setParent(listItem);
		new Listcell(map.get("me_seller_name").toString()).setParent(listItem);
		new Listcell(map.get("auctions").toString()).setParent(listItem);
		new Listcell(map.get("active_auctions").toString()).setParent(listItem);
		new Listcell(map.get("sold").toString()).setParent(listItem);
		new Listcell(map.get("auth_ok").toString()).setParent(listItem);
		new Listcell(map.get("auth_ko").toString()).setParent(listItem);
		new Listcell(map.get("info_ok").toString()).setParent(listItem);
		new Listcell(map.get("info_ko").toString()).setParent(listItem);
		new Listcell(map.get("invalid").toString()).setParent(listItem);
		new Listcell(map.get("perc_fakes").toString()).setParent(listItem);
		new Listcell(map.get("pre_auth").toString()).setParent(listItem);
	}	


and my query executed by InternetSeller is
this.setInternetSellerList(this.internetServiceDao.getSellerList(this.getService_id(),this.getSeason(),this.getDateFrom(),this.getDateTo()));


Query Code given below

SQL_QUERY = "select eo.me_id as clg_seller_id, eo.me_seller_name, " +
			
			"(select count(distinct eo1.offer_id) " +
			"from ecc_offer eo1 " +
			"where eo1.me_id = eo.me_id " +
			"and eo1.me_seller_name = eo.me_seller_name) as auctions, " +

			"(select sum(case when end_date>sysdate then 1 else 0 end) " +
			"from ecc_offer eo1 " +
			"where eo1.me_id = eo.me_id " +
			"and eo1.me_seller_name = eo.me_seller_name) as active_auctions,  " +

			"(select sum(eo2.sold) " +
			"from ecc_offer eo2 " +

			"where eo2.me_id = eo.me_id " +
			"and eo2.me_seller_name = eo.me_seller_name) as sold, " +
			"sum(case when (va.answer = 1 or va.answer = 3) and (v.code_check_result = 1 or v.code_check_result = 2) then 1 else 0 end) as auth_ok, " +

			"sum(case when (va.answer = 1 or va.answer = 3) and v.code_check_result = 3 then 1 else 0 end) as auth_ko, " +
			"sum(case when(va.answer = 2 or v.interrogation_type = 3 or v.interrogation_type = 4) and (v.code_check_result = 1 or v.code_check_result = 2) then 1 else 0 end) as info_ok, " +

			"sum(case when (va.answer = 2 or v.interrogation_type = 3 or v.interrogation_type = 4) and v.code_check_result = 3 then 1 else 0 end) as info_ko, " +
			"sum(case when v.serial_number is null and v.interrogation_type is null and v.verification_id is not null then 1 else 0 end) as invalid, " +

			" decode (sum(case when (va.answer = '1' or va.answer = '3') and v.code_check_result>0 then 1 else 0 end),0,0,round(((sum(case when v.code_check_result = 3 and (va.answer = '1' or va.answer = '3') then 1 else 0 end) + (sum(case when v.serial_number is null and v.interrogation_type = 0 then 1 else 0 end))) " + 
			" / sum(case when (va.answer = '1' or va.answer = '3') and v.code_check_result>0 then 1 else 0 end))*100)) as auth_fakes, " +
			
			"sum(case when v.interrogation_type = 1 or v.interrogation_type = 2 then 1 else 0 end) as pre_auth " +

			"from ecc_offer eo " +
			// "inner join ecc_seller_identities esi on eo.me_id = esi.me_id and eo.me_seller_name = esi.me_seller_name " +
			"left join verification v on eo.me_id = v.me_id and eo.offer_id = v.offer_id " +
			"left join verification_answer va on v.verification_id = va.verification_id and question_id = 1 " +
			"left join verification_code_details vcd on vcd.serial_number = v.serial_number ";

			//"and v.service_id in("+service_Id+") " +
			
			if(!service_Id.equals("") && !service_Id.equals("0"))
			{
				SQL_QUERY += "and v.service_id in (" +service_Id+ ")";
			}
			else
			{
				SQL_QUERY += " and v.service_id in(10,14,15,16,17,21,22,23,26) ";
			}
			
			SQL_QUERY += "and eo.me_id = 2 ";

			/*"group by eo.me_id, eo.me_seller_name " +
			"having count(v.verification_id) > 0 " +
			"order by  3 desc ";*/

			if(!season_id.equals("") && !season_id.equals("0")){
				SQL_QUERY +=" and vcd.season_id = '"+season_id+"'";
			}
			
			if(DateFrom != "" && Dateto != ""){
				SQL_QUERY +=" and eo.end_date between TO_DATE('"+DateFrom+"','YYYY-MM-DD') and" + 
							" TO_DATE('"+Dateto+"','YYYY-MM-DD') " ;
			}

			SQL_QUERY +="group by eo.me_id, eo.me_seller_name " +
			"having count(v.verification_id) > 0 ";

			SQL_QUERY +=" order by " + 2 + " ";

			
		
			//javax.persistence.Query query = entityManager.createQuery(SQL_QUERY);
			System.out.println(SQL_QUERY);
			Query query = entityManager.createNativeQuery(SQL_QUERY);
			//System.out.println(query);
			List imSellers = new ArrayList<HashMap>();
		
			List tempList = query.getResultList();
		
			if(tempList.size() > 0)
			{
				for(int i1 = 0; i1 < tempList.size(); i1++)
				{
					HashMap objHashMap = new HashMap();
				
					Object[] row = (Object [] ) tempList.get(i1);
					
					objHashMap.put("clg_seller_id", row[0]);
					objHashMap.put("me_seller_name", row[1]);
					objHashMap.put("auctions", row[2]);
					objHashMap.put("active_auctions", row[3]);
					objHashMap.put("sold", row[4]);
					objHashMap.put("auth_ok", row[5]);
					objHashMap.put("auth_ko", row[6]);
					objHashMap.put("info_ok", row[7]);
					objHashMap.put("info_ko", row[8]);
					objHashMap.put("invalid", row[9]);
					objHashMap.put("perc_fakes", row[10]);
					objHashMap.put("pre_auth", row[11]);
									
					imSellers.add(objHashMap);
				}
			} 


just help me that the value I get in my listbox to be get sorted when I click to their header.

I am using Spring with JPA so, I know that we can make use of FieldComparator as per Terrytornado view.

Help me to solve my problem.
Best Regards
Yogendra

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7 Replies

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answered 2011-03-08 11:59:48 +0800

jj gravatar image jj
638 3

Hi Yogendra,
Since you are using a model to populate your listbox, the sorting will need to be done at the model level, not the display. It requires some extra coding. This is something that I think ZK can improve upon.
Here is a good starting point to understand how it works:
http://books.zkoss.org/wiki/ZK_Component_Reference/Data/Listbox#Sorting

Hope it helps.

-JJ

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answered 2011-03-09 00:01:52 +0800

yaryan997 gravatar image yaryan997
210 2

@ jj

can you please help me to know that I am having a Map values which I had add to my listbox listcell using renderer having code below

		Map map = (Map) data; 
		new Listcell(map.get("clg_seller_id").toString()).setParent(listItem);
		new Listcell(map.get("me_seller_name").toString()).setParent(listItem);
		new Listcell(map.get("auctions").toString()).setParent(listItem);
		new Listcell(map.get("active_auctions").toString()).setParent(listItem);
		new Listcell(map.get("sold").toString()).setParent(listItem);
		new Listcell(map.get("auth_ok").toString()).setParent(listItem);
		new Listcell(map.get("auth_ko").toString()).setParent(listItem);
		new Listcell(map.get("info_ok").toString()).setParent(listItem);
		new Listcell(map.get("info_ko").toString()).setParent(listItem);
		new Listcell(map.get("invalid").toString()).setParent(listItem);
		new Listcell(map.get("perc_fakes").toString()).setParent(listItem);
		new Listcell(map.get("pre_auth").toString()).setParent(listItem);

so to display them in my zul page now I want to do sorting on them so How can I do this. As I am having a Map value in my zul page so it's going to give me java.util.HashMap cannot be cast to java.lang.Comparable.

How this problem will we resolved.

Best Regards
Yogendra

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answered 2011-03-09 00:42:35 +0800

jj gravatar image jj
638 3

Here is the exact answer to your question:
http://books.zkoss.org/wiki/ZK_Component_Reference/Data/Listbox#Sorting_with_Live_Data

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answered 2011-03-09 01:00:57 +0800

yaryan997 gravatar image yaryan997
210 2

@ jj

Can you do me one favour . . Can you can plz post the source code ? Using that I will try to solve my problem as I had all my values in map.
I found the error always. .

Do me this help.

Best Regards
Yogendra

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answered 2011-03-09 19:30:22 +0800

jimmyshiau gravatar image jimmyshiau
4921 5
http://www.zkoss.org/ ZK Team

updated 2011-03-09 19:31:37 +0800

Hi Yogendra,
ZK didn't support Map sort
You can use array sort

<zk>
	<zscript><![CDATA[
		import org.zkoss.zul.*;
		Object[][] data = new Object[][] {
			new Object[] {"Tom", 30},
			new Object[] {"John", 28},
			new Object[] {"Bill", 28},
			new Object[] {"Carey", 28},
			new Object[] {"Jean", 25}
		};
		ListModelList model = new ListModelList(data);
		ListitemRenderer renderer = new ListitemRenderer() {
			public void render(Listitem item, Object data) throws Exception {
				Object[] o = (Object[]) data;
				item.appendChild(new Listcell(o[0].toString()));
				item.appendChild(new Listcell(o[1].toString()));
			}
		};
	]]></zscript>
	<listbox model="${model}" itemRenderer="${renderer}">
		<listhead>
			<listheader label="name" sort="auto(0)"/>
			<listheader label="age" sort="auto(1)"/>
		</listhead>
	</listbox>
</zk>

if you have to put the map model, you have to define your Comparator,
and set to each header.

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answered 2011-03-09 23:11:55 +0800

yaryan997 gravatar image yaryan997
210 2

@as1225

thanx for your reply. but still one more problem with implementing you source code. Actually my data are coming from multiple database table using a Sql query, and I am separating those values using Hashmap. by using below code

SQL_QUERY = "select eo.me_id as clg_seller_id, eo.me_seller_name, " +
			
			"(select count(distinct eo1.offer_id) " +
			"from ecc_offer eo1 " +
			"where eo1.me_id = eo.me_id " +
			"and eo1.me_seller_name = eo.me_seller_name) as auctions, " +

			"(select sum(case when end_date>sysdate then 1 else 0 end) " +
			"from ecc_offer eo1 " +
			"where eo1.me_id = eo.me_id " +
			"and eo1.me_seller_name = eo.me_seller_name) as active_auctions,  " +

			"(select sum(eo2.sold) " +
			"from ecc_offer eo2 " +

			"where eo2.me_id = eo.me_id " +
			"and eo2.me_seller_name = eo.me_seller_name) as sold, " +
			"sum(case when (va.answer = 1 or va.answer = 3) and (v.code_check_result = 1 or v.code_check_result = 2) then 1 else 0 end) as auth_ok, " +

			"sum(case when (va.answer = 1 or va.answer = 3) and v.code_check_result = 3 then 1 else 0 end) as auth_ko, " +
			"sum(case when(va.answer = 2 or v.interrogation_type = 3 or v.interrogation_type = 4) and (v.code_check_result = 1 or v.code_check_result = 2) then 1 else 0 end) as info_ok, " +

			"sum(case when (va.answer = 2 or v.interrogation_type = 3 or v.interrogation_type = 4) and v.code_check_result = 3 then 1 else 0 end) as info_ko, " +
			"sum(case when v.serial_number is null and v.interrogation_type is null and v.verification_id is not null then 1 else 0 end) as invalid, " +

			" decode (sum(case when (va.answer = '1' or va.answer = '3') and v.code_check_result>0 then 1 else 0 end),0,0,round(((sum(case when v.code_check_result = 3 and (va.answer = '1' or va.answer = '3') then 1 else 0 end) + (sum(case when v.serial_number is null and v.interrogation_type = 0 then 1 else 0 end))) " + 
			" / sum(case when (va.answer = '1' or va.answer = '3') and v.code_check_result>0 then 1 else 0 end))*100)) as auth_fakes, " +
			
			"sum(case when v.interrogation_type = 1 or v.interrogation_type = 2 then 1 else 0 end) as pre_auth " +

			"from ecc_offer eo " +
			// "inner join ecc_seller_identities esi on eo.me_id = esi.me_id and eo.me_seller_name = esi.me_seller_name " +
			"left join verification v on eo.me_id = v.me_id and eo.offer_id = v.offer_id " +
			"left join verification_answer va on v.verification_id = va.verification_id and question_id = 1 " +
			"left join verification_code_details vcd on vcd.serial_number = v.serial_number ";

			//"and v.service_id in("+service_Id+") " +
			
			if(!service_Id.equals("") && !service_Id.equals("0"))
			{
				SQL_QUERY += "and v.service_id in (" +service_Id+ ")";
			}
			else
			{
				SQL_QUERY += " and v.service_id in(10,14,15,16,17,21,22,23,26) ";
			}
			
			SQL_QUERY += "and eo.me_id = 2 ";

			/*"group by eo.me_id, eo.me_seller_name " +
			"having count(v.verification_id) > 0 " +
			"order by  3 desc ";*/

			if(!season_id.equals("") && !season_id.equals("0")){
				SQL_QUERY +=" and vcd.season_id = '"+season_id+"'";
			}
			
			if(DateFrom != "" && Dateto != ""){
				SQL_QUERY +=" and eo.end_date between TO_DATE('"+DateFrom+"','YYYY-MM-DD') and" + 
							" TO_DATE('"+Dateto+"','YYYY-MM-DD') " ;
			}

			SQL_QUERY +="group by eo.me_id, eo.me_seller_name " +
			"having count(v.verification_id) > 0 ";

			SQL_QUERY +=" order by " + 2 + " ";

			
		
			//javax.persistence.Query query = entityManager.createQuery(SQL_QUERY);
			System.out.println(SQL_QUERY);
			Query query = entityManager.createNativeQuery(SQL_QUERY);
			//System.out.println(query);
			List imSellers = new ArrayList<HashMap>();
		
			List tempList = query.getResultList();
		
			if(tempList.size() > 0)
			{
				for(int i1 = 0; i1 < tempList.size(); i1++)
				{
					HashMap objHashMap = new HashMap();
				
					Object[] row = (Object [] ) tempList.get(i1);
					
					objHashMap.put("clg_seller_id", row[0]);
					objHashMap.put("me_seller_name", row[1]);
					objHashMap.put("auctions", row[2]);
					objHashMap.put("active_auctions", row[3]);
					objHashMap.put("sold", row[4]);
					objHashMap.put("auth_ok", row[5]);
					objHashMap.put("auth_ko", row[6]);
					objHashMap.put("info_ok", row[7]);
					objHashMap.put("info_ko", row[8]);
					objHashMap.put("invalid", row[9]);
					objHashMap.put("perc_fakes", row[10]);
					objHashMap.put("pre_auth", row[11]);
									
					imSellers.add(objHashMap);
				}
			} 

so when I tried to implement your code it gives me HashMap cannot be cast to Object error.. My error stack trace is given below

] Servlet.service() for servlet zkLoader threw exception
java.lang.ClassCastException: java.util.HashMap cannot be cast to [Ljava.lang.Object;
	at com.certilogo.ecc.frontend.InternetSeller.render(InternetSeller.java:266)
	at org.zkoss.zul.Listbox$Renderer.render(Listbox.java:2731)
	at org.zkoss.zul.Listbox.onInitRender(Listbox.java:2664)

so if possible can you help me to do solve my problem with this.

Best Regards
Yogendra

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answered 2011-03-10 01:16:46 +0800

Ajaytandel gravatar image Ajaytandel
6

@as1225

thanks for support but i m having some problem while executing your above code.
when i run that code it gives me below error

00:42:39,813 SEVERE  >>org.zkoss.zk.ui.UiException: java.lang.NoSuchMethodException: class [Ljava.lang.Object;: name=0 args=null
>>java.lang.NoSuchMethodException: class [Ljava.lang.Object;: name=0 args=null
>>	at org.zkoss.lang.Classes.myGetAcsObj(Classes.java:968)

this happens when i click the listheader .

help me to solve my problem.

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Asked: 2011-03-08 04:30:48 +0800

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Last updated: Mar 10 '11

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