Github user WangTaoTheTonic commented on the issue:
https://github.com/apache/spark/pull/15803
Like what showed in image, user can get app infos in two ways: using
browser and using REST api. When a browser send a http request, History Server
will return history page(a html page) containing application infos in which the
Date is translated to string. Because the translation is done in server side,
so the date string is represented with server timezone. If user uses REST api
to get app infos, History Server will return json objects containing Date
object w/o timezone, so the REST response always shows date like ` "startTime"
: "2016-11-11T06:27:25.802GMT"`, which means in GMT time(as no timezone
available).
After 2.0, one way accessing History Server changed: browser ways(the red
highlighten part). Browser will get app infos using REST api rather than
getting whole history page (in order to generate table in front end to
implementing sort and search). The result it got only containing Date w/o
timezone instead of date string translated by Server using server timezone. The
way browser get app datas changed, that's why the browser behavior changes.
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