java - How to avoid StaleElementReferenceException - 


   public long searchhotel(string hotelname,string provider,string cookiename) throws interruptedexception, parseexception{     long day = 0;     webdriver driver =new firefoxdriver();     driver.manage().timeouts().implicitlywait(5000, timeunit.milliseconds);     driver.get("url");     driver.manage().window().maximize();     driver.findelement(by.id("hc_f_id_where_1")).sendkeys(hotelname);     list<webelement> hl = driver.findelements(by.id("ui-id-1"));     webdriverwait wait = new webdriverwait(driver,30);     wait.until(expectedconditions.visibilityofallelementslocatedby(by.id("ui-id-1")));     string startdate = null;     string enddate = null;     date d1,d2;     calendar firstdate =null;     calendar seconddate =null;     org.joda.time.datetime dt1;     org.joda.time.datetime dt2;     long diffinmillisec=0;     long diffindays=0;      //datetime dt2;     simpledateformat dateformat = null;     (webelement e : hl)      {         if(e.gettext().contains(hotelname))         {             system.out.println("in if");             driver.findelement(by.partiallinktext(hotelname)).click();         }                }      driver.findelement(by.id("hc_dateselection_checkin_1")).click();     driver.findelement(by.cssselector("img.ui-datepicker-trigger")).click();     webelement datewidget = driver.findelement(by.cssselector("div.ui-datepicker-group.ui-datepicker-group-last table.ui-datepicker-calendar"));     list<webelement> columns=datewidget.findelements(by.tagname("td"));       (webelement cell : columns)     {         //system.out.println(cell.gettext());         if(cell.gettext().equals("7"))         {             cell.findelement(by.linktext("7")).click();             break;         }     }       driver.findelement(by.id("hc_dateselection_checkout_1")).click();     driver.findelement(by.cssselector("div#hc_dateselection_checkout_1 img.ui-datepicker-trigger")).click();      webelement datewidget1 = driver.findelement(by.cssselector("div.ui-datepicker-group.ui-datepicker-group-first table.ui-datepicker-calendar"));     list<webelement> columns1 = datewidget1.findelements(by.tagname("td"));     (webelement cell1 : columns1)     {         //system.out.println(cell1.gettext());         if(cell1.gettext().equals("11"))         {             cell1.findelement(by.linktext("11")).click();             break;         }     }         driver.findelement(by.classname("hc_f_btn_v15")).click();      driver.findelement(by.classname("hc_usi")).click();      system.out.println("waiting");     webelement hotellist=driver.findelement(by.cssselector("table#hc_htl_pm_rates_content"));     list<webelement> hl=hotellist.findelements(by.tagname("tr"));       (webelement h : hl) {          if(provider.equals(h.getattribute("data-providername"))){               system.out.println("provider name : "+h.getattribute("data-providername").tostring());              wait<webdriver> fwait = new fluentwait<webdriver>(driver).withtimeout(30,timeunit.seconds).pollingevery(5,timeunit.seconds).ignoring(staleelementreferenceexception.class);             fwait.until(expectedconditions.elementtobeclickable(h.findelement(by.tagname("a")))).click();              h.findelement(by.tagname("a")).click();             break;          }      }      set<string> winhandles=driver.getwindowhandles();     (string window : winhandles)          {             driver.switchto().window(window);            }       wait.until(expectedconditions.visibilityofelementlocated(by.tagname("h1")));     system.out.println("page title : "+driver.gettitle());     string cururl=driver.getcurrenturl();     system.out.println("current url : "+cururl);     dateformat = new simpledateformat("mm/dd/yyyy");     set<cookie> cookies = driver.manage().getcookies();       iterator<cookie> itr = cookies.iterator();       while (itr.hasnext())          {              cookie c = itr.next();              system.out.println("-----cookies detail-----");              system.out.println("cookie name: " + c.getname()  + "\n\tcookie domain: " + c.getdomain() +  "\n\tcookie value: " + c.getvalue() +  "\n\tpath: " + c.getpath()+  "\n\texpiry date: " + c.getexpiry()+  "\n\tsecure: " + c.issecure());                if(cookiename.equalsignorecase(c.getname()))                 {                  system.out.println("cookies found : " +cookiename);                  try                     {                         enddate = c.getexpiry().tostring();                         simpledateformat format = new simpledateformat("e mmm dd hh:mm:ss z yyyy");                         //simpledateformat format = new simpledateformat("mm/dd/yyyy");                         d1=format.parse(enddate);                         system.out.println(d1);                         d2=new date();                         startdate=d2.tostring();                          d2=format.parse(startdate);                          system.out.println(d2);                          dt1 = new org.joda.time.datetime(d1);                         dt2 = new org.joda.time.datetime(d2);                          day=days.daysbetween(dt2,dt1).getdays();                      firstdate = calendar.getinstance();                         seconddate = calendar.getinstance();                         firstdate.settime(d1);                         seconddate.settime(d2);                         int month = firstdate.get(calendar.month)+1;                         int dt = firstdate.get(calendar.date);                         int year = firstdate.get(calendar.year);                          firstdate.set(year, month, dt);                          system.out.println("first dare "+dt+"/"+month+"/"+year);                          int month2=seconddate.get(calendar.month)+1;                         int dt22 = seconddate.get(calendar.date);                         int year2= seconddate.get(calendar.year);                          seconddate.set(year2, month2, dt22);                         system.out.println("second date "+dt22+"/"+month2+"/"+year2);                          diffinmillisec = firstdate.gettimeinmillis() - seconddate.gettimeinmillis();                          diffindays = diffinmillisec / (24 * 60 * 60 * 1000);                         system.out.println("days : "+diffindays);                        }                  catch(exception e)                     {                         e.printstacktrace();                     }                  }           }       driver.quit();       return diffindays;

}

getting exception in thread "main" org.openqa.selenium.staleelementreferenceexception: element not found in cache - perhaps page has changed since looked command duration or timeout: 5.50 seconds


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