Timestamp from log

Yes i am aware of that many have already asked this question but rather sure am doing this correctly.

The log is is as follows
Nov 2 14:35:50 localhost hapee-lb[38513]: 87.23xxxxx:20216 [02/Nov/2018:14:35:48.112] …

The Grok patern is:
%{SYSLOGTIMESTAMP} %{WORD} %{PROG}(?:\[%{POSINT}\])?: %{IP:client}:%{INT} \[%{TRUESERVER_HAPROXYDATE:accept_date}\]


The pipe line has
let new_date = parse_date(to_string($message.accept_date), "dd/MMM/yyyy:hh:mm:ss.SSS"); set_field("timestamp", new_date);

Any help or insight would be appreciated


the timestamp field can be picky. I would debug this in two phases: first set_field a test field and check that it works. If it works, the problem can be the date format specified in elasticsearch for the timestamp field. You might need to loosen it to accept the date in the format the parse_date function gives. (see field mappings in Elasticsearch: https://www.elastic.co/guide/en/elasticsearch/reference/5.4/date.html) I remember that I had a similar problem at some point.

I would also - always - set the timezone that this timestamp is located in if not UTC. After that following the advice and debug step by step.

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