return (Collection) requestcertchain;
return requestcertchain;
    public Collection getRequestCertificateChain(){      if(requestcertchain == null){        Collection storechain = (Collection) data.get(REQUESTCERTCHAIN);        Iterator iter = storechain.iterator();        this.requestcertchain = new ArrayList();        while(iter.hasNext()){          String b64Cert = (String) iter.next();          try{            this.requestcertchain.add(CertTools.getCertfromByteArray(Base64.decode(b64Cert.getBytes())));          }catch(Exception e){             throw new EJBException(e);             }        }              }              return (Collection) requestcertchain;     }