* fix(TUP-37692) some change not finished. * add original json string as parameter to judge if need add root as prefix for xpath loop string * fix NPE problem * fix xpath not correct transferred during drag json file to job.
* fix(TUP-37692) some change not finished. * add original json string as parameter to judge if need add root as prefix for xpath loop string * fix NPE problem * fix xpath not correct transferred during drag json file to job.