private String mutator(String httpRequest,String staticResourceFolder,String payload){
  return httpRequest.replaceFirst(staticResourceFolder + ".* ",payload + " ");
}

private String mutator ( String httpRequest , String staticResourceFolder , String payload ) { return httpRequest . replaceFirst ( staticResourceFolder + ".* " , payload + " " ) ; }
mutator to modify static uri path with the injection to trigger traversal issue get / spring - css / resources / css / main . css http / 1 . 1 host : localhost : 8084 accept - language : en - us , en ; q = 0 . 5 accept - encoding : gzip , deflate referer : http : / / localhost : 8084 / spring - css / cookie : jsessionid = 1c4fd6278c5d1f6448430219b83213c1 connection : close
