jsf - javax.el.MethodNotFoundException: /pages/test.xhtml @12,74 value="#{Beans.IndexClient}" -

how implement function using jsf , need result of function in inputtext. here code bean :

@managedbean(name="beans")  @viewscoped @component  public class beans {  //----------- recupérer le dernier index ---------//      public integer indexclient;      public integer getindexclient() {         return lastindextache;     }     public void setindexclient(integer indextache) {         this.indexclient = indexclient;     }     @postconstruct     public void init() {         session session =  hibernateutil.getsessionfactory().getcurrentsession();         int index = 0;         try {             session.begintransaction();             string sql = "select max(t.idclient) client t  ";             query query = session.createsqlquery(sql);             if( query.uniqueresult()==null){                  index=0;             }else{                  index=(int) query.uniqueresult();                 index=index+1;             }         } catch (hibernateexception e) {             // todo: handle exception             session.gettransaction().rollback();             e.printstacktrace();         }         indexclient = index;     } 

this view code :

<p:inputtext value="#{beans.indexclient}" />     </p:inputtext> 

the error:

`javax.el.methodnotfoundexception: /pages/test.xhtml @12,74 value="#{beans.indexclient}": method not found: com.bean.beans@d802ee.indexclient 

i made several research on internet have nothing , i'm stuck because of mistake several days, if have idea please me