# Re-index previous heartbeat data in ES through logstash processing

**URL:** <https://discuss.elastic.co/t/re-index-previous-heartbeat-data-in-es-through-logstash-processing/240739>\
**Category:** Logstash\
**Created:** [July 10, 2020, 5:56pm UTC](https://discuss.elastic.co/t/re-index-previous-heartbeat-data-in-es-through-logstash-processing/240739 "2020-07-10T17:56:17Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Badger](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/badger/32/25190_2.png) [@Badger](https://discuss.elastic.co/u/Badger)\
**Post date:** [July 10, 2020, 6:15pm UTC](https://discuss.elastic.co/t/re-index-previous-heartbeat-data-in-es-through-logstash-processing/240739/2 "2020-07-10T18:15:38Z")

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> [@paolinux](#):
>
> mapper\_parsing\_exception

I suggest you read [this](https://discuss.elastic.co/t/logstash-errors-mapper-parsing-exception-vs-illegal-argument-exception/236783/3) post and then [this](https://discuss.elastic.co/t/problem-logstash-outputs-elasticsearch-could-not-index-event-to-elasticsearch-wazuh-alerts-3-x-2020-05-30/235038/6) post.

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