Dynamic date field mapping problem

Hi all,

When I am trying to insert date from logstash to elasticsearch, following error appears.

    "reason"=>"failed to parse [data.time]", 
        "reason"=>"Invalid format: \"2017/03/09 07:19:17\" is malformed at \"/03/09 07:19:17\""

When I insert 2017-03-09 07:19:17, It will be successfully inserted as string.

Then I found that according to https://www.elastic.co/guide/en/elasticsearch/reference/current/dynamic-field-mapping.html#date-detection, the default date format for Dynamic field mapping is "yyyy/MM/dd HH:mm:ss Z||yyyy/MM/dd Z".

However, according to https://www.elastic.co/guide/en/elasticsearch/reference/5.2/date.html#date, the default date format for parse looks like "yyyy-MM-dd HH:mm:ss || yyyy-MM-dd".

So that It seems my data 2017/03/09 07:19:17 is recognized as date but can not parse by the default config.

I wonder if it is a bug of elasticsearch, or I misunderstanding the documentation?


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