HI i am getting Target unreacheble problem as follows....

javax.el.PropertyNotFoundException: /officeManagement/inventory/addOrEditStock.jsp @30,54 value="#{stocksAction.admItem.name}": Target Unreachable, 'admItem' returned null on 'com.sec.ezeeAdmin.officeManagement.StockAction_$$_javassist_seam_19'
     at com.sun.facelets.el.TagValueExpression.getType(TagValueExpression.java:62)
     at com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getConvertedValue(HtmlBasicInputRenderer.java:92)
     at javax.faces.component.UIInput.getConvertedValue(UIInput.java:942)
     at javax.faces.component.UIInput.validate(UIInput.java:868)
     at javax.faces.component.UIInput.executeValidate(UIInput.java:1072)
     at javax.faces.component.UIInput.processValidators(UIInput.java:672)
     at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1058)
     at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1058)
     at org.richfaces.component.UISwitchablePanel.processValidators(UISwitchablePanel.java:225)
     at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1058)
     at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1058)
     at javax.faces.component.UIForm.processValidators(UIForm.java:235)
     at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1058)
     at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1058)
     at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1058)
     at org.ajax4jsf.component.AjaxViewRoot$3.invokeContextCallback(AjaxViewRoot.java:439)
     at org.ajax4jsf.component.AjaxViewRoot.processPhase(AjaxViewRoot.java:238)
     at org.ajax4jsf.component.AjaxViewRoot.processValidators(AjaxViewRoot.java:455)
     at com.sun.faces.lifecycle.ProcessValidationsPhase.execute(ProcessValidationsPhase.java:76)
     at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
     at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
     at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
     at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83)
     at org.jboss.seam.web.IdentityFilter.doFilter(IdentityFilter.java:40)
     at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
     at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:90)
     at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
     at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64)
     at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
     at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
     at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
     at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:178)
     at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290)
     at org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:368)
     at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:495)
     at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:56)
     at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
     at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:60)
     at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
     at org.jboss.seam.web.HotDeployFilter.doFilter(HotDeployFilter.java:53)
     at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
     at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158)
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
     at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
     at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:182)
     at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:432)
     at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
     at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
     at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
     at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)
     at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
     at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
     at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)


And This is my action class-->>

package com.sec.ezeeAdmin.officeManagement;

import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import javax.persistence.EntityManager;

import org.jboss.seam.ScopeType;
import org.jboss.seam.annotations.AutoCreate;
import org.jboss.seam.annotations.Begin;
import org.jboss.seam.annotations.FlushModeType;
import org.jboss.seam.annotations.In;
import org.jboss.seam.annotations.Name;
import org.jboss.seam.annotations.Out;
import org.jboss.seam.annotations.Scope;
import com.sec.ezeeAdmin.User;
import com.sec.ezeeAdmin.configure.AdmOffices;
import com.sec.ezeeAdmin.service.StockService;

@Name("stocksAction")
@Scope(ScopeType.CONVERSATION)
public class StockAction {
     @In(create= true)
     EntityManager entityManager;
     
     @In
     User user;
     private Date date=new Date();
     
     
     
     private AdmItems admItem ;
     private int recordsPerPage=10;
     private String defaultTab = "general";
     private List<AdmItems> itemsList;
     Map<AdmOffices, Boolean> officesForRequest;
     public Map<AdmOffices, Boolean> getOfficesForRequest() {
          return officesForRequest;
     }

     public void setOfficesForRequest(Map<AdmOffices, Boolean> officesForRequest) {
          this.officesForRequest = officesForRequest;
     }

     public List<AdmItems> getItemsList() {
          return itemsList;
     }

     public void setItemsList(List<AdmItems> itemsList) {
          this.itemsList = itemsList;
     }

     public String getDefaultTab() {
          return defaultTab;
     }

     public void setDefaultTab(String defaultTab) {
          this.defaultTab = defaultTab;
     }

     public int getRecordsPerPage() {
          return recordsPerPage;
     }

     public void setRecordsPerPage(int recordsPerPage) {
          this.recordsPerPage = recordsPerPage;
     }

     public AdmItems getAdmItem() {
          return admItem;
     }

     public void setAdmItem(AdmItems admItem) {
          this.admItem = admItem;
     }
     
     public List<AdmItems> retrieveStockList()
     {
          StockService ss=new StockService(entityManager);
          return ss.retrieveStockList();
     }
     public void activeDeactive(AdmItems stocks) {          
          
          entityManager.flush();
     }
     
     
     public String editStocks(AdmItems stocks){
          System.out.println("i am in the edit");
          this.admItem=stocks;
          this.defaultTab = "general";
          //this.admItem = stocks;
          //this.admItem.setStartdate(date);
          this.selectItems(stocks);
          
          return "add-edit-stocks";
     }
     
     
     public void selectItems(AdmItems item) {
          this.itemsList = null;
          this.admItem=item;
          this.officesForRequest = new HashMap<AdmOffices, Boolean>();
          for(AdmOffices office:this.retrieveOffices() ) {
               if(this.admItem.getOffices()!= null){
                    System.out.println("not null"+admItem.getOffices());
                    if(hasStockInList(this.admItem.getOffices(), office.getId())) {
                         officesForRequest.put(office, true);
                    } else {
                         officesForRequest.put(office, false);
                    }
               }
               else{
                    officesForRequest.put(office, false);
               }
               
          }
     }
     
     public List<AdmOffices> retrieveOffices(){
          StockService ss= new StockService(entityManager);
          System.out.println("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"+ss.retrieveOffices().size());
          return ss.retrieveOffices();
     }
     
     public boolean hasStockInList(List<AdmOffices> list , long id){
          System.out.println("i am in the has stock list");
          for(AdmOffices office : list){
               if(office.getId() == id){
                    return true;
               }
          }
          return false;
     }
     
     @Begin(nested = true , flushMode = FlushModeType.MANUAL)
     public String addI(){
          this.admItem= new AdmItems();
          System.out.println("i am in the ljdslfkjasldf");
          this.defaultTab = "general";
          this.selectItems(admItem);
          return "add-edit-stocks";
     }
     
     public void confirmStocks(){
           System.out.println("inside confirm mekjhasdfkjh");
               this.confirmOffices();

               if(this.admItem.getId() == 0){
                    this.admItem.setCreatedUser(user.getUsername());                     
                    this.admItem.setCreatedDate(date);     
                    entityManager.persist(this.admItem);
               }
               else {
                         this.admItem.setModifiedDate(date);
                         this.admItem.setModifiedUser(this.user.getUsername());
                         entityManager.merge(this.admItem);
               }
               entityManager.flush();
     }
     
     public void confirmOffices() {
          List<AdmOffices> selectedList = new ArrayList<AdmOffices>();
          Iterator<AdmOffices> iter = this.officesForRequest.keySet().iterator();
          while(iter.hasNext()) {
               AdmOffices office = iter.next();
               if(this.officesForRequest.get(office).equals(true)) {
                    selectedList.add(office);
               }
          }
          this.admItem.setOffices(selectedList);
     }
     public String can_button()
       {
            return "stockspage";
       }

     public User getUser() {
          return user;
     }

     public void setUser(User user) {
          this.user = user;
     }

     public Date getDate() {
          return date;
     }

     public void setDate(Date date) {
          this.date = date;
     }
}


In the above class i declared my pojo like this private AdmItems admItem ;

In console it is showing that-->>javax.el.PropertyNotFoundException: /officeManagement/inventory/addOrEditStock.jsp @30,54 value="#{stocksAction.admItem.name}": Target Unreachable, 'admItem' returned null on 'com.sec.ezeeAdmin.officeManagement.StockAction_$$_javassist_seam_19'


Please help me out from this problem !!!!!!!!!!!!!!