Mapper Parsing Exception

Hey all,

Since most of the old topics are closed - I just wanted to share my little guide after troubleshooting a mapper_parse_exception. First - the information at is spot-on as usual but for the extra nudge I wrote (in my completely informal style) how I personally troubleshoot something like:

{"type":"mapper_parsing_exception","reason":"failed to parse field [rt] of type [date] in document with id '67b4e3f0-cb49-11e9-815d-005056aed827'","caused_by":{"type":"illegal_argument_exception","reason":"Invalid format: \"Aug 30 2019 13:12:29 GMT-04:00\""}}


  • Force the index type
  • Find the guilty message
  • Fix

Read here (External Blog)

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