java - Handling multiple HttpSession across multiple browsers on same system -


with below code, trying handle session. code working fine when tried transaction multiple tab means allowing 1 tab transation. if other tab in same browser opened error.jsp shown. code not able allow transaction when other instance of browser opened. brower maintains cache hence same sessionid provided.

if(session!=null && url.equalsignorecase("/abc/domepayrequest")){                 //check if session not new , entry request throw error                     system.out.println("session id: "+httpreq.getsession().getid());                      ((httpservletresponse) response).sendredirect("errduplicatesession.jsp");             }    if(session == null){                 //if session new & check if entry request                 if(url.contains("abc")){                     //create new session                     session=httpreq.getsession(false);                  }else{                     //else throw session related error                     system.out.println("session expired error");                 }              }

what can done transaction can done if new instance of browser opened.

any suggestion appreciated


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