# Filebeats NetFlow: Events dropped due to out of range of long value

**URL:** <https://discuss.elastic.co/t/filebeats-netflow-events-dropped-due-to-out-of-range-of-long-value/377375>\
**Category:** Elasticsearch\
**Created:** [April 22, 2025, 2:03pm UTC](https://discuss.elastic.co/t/filebeats-netflow-events-dropped-due-to-out-of-range-of-long-value/377375 "2025-04-22T14:03:50Z")\
**Posts on this page:** 1\
**Showing post:** 2

<div class="post-metadata">

**Author:** ![stephenb](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/stephenb/32/40856_2.png) [@stephenb](https://discuss.elastic.co/u/stephenb)\
**Post date:** [April 22, 2025, 2:42pm UTC](https://discuss.elastic.co/t/filebeats-netflow-events-dropped-due-to-out-of-range-of-long-value/377375/2 "2025-04-22T14:42:41Z")

</div>

Closed Dup Of

> [@Netflow.flow\_id data type incorrectly set to long instead of unsigned-long](https://discuss.elastic.co/t/netflow-flow-id-data-type-incorrectly-set-to-long-instead-of-unsigned-long/377377):
>
> In /etc/filebeats/fields.yaml file, netflow.flow\_id is set to type long. - name: flow\_id type: long As per NetFlow standard, it should be unsigned long. Because of this, events are getting dropped with error: (status=400): {\"type\":\"document\_parsing\_exception\",\"reason\":\"[1:1477] failed to parse field [netflow.flow\_id] of type [long] in document with id 'Lba4XZYB\_Zr7jpsbS6pn'. Preview of field's value: '11133470846251699209'\",\"caused\_by\":{\"type\":\"x\_content\_parse…

---

_[View the full topic](https://discuss.elastic.co/t/filebeats-netflow-events-dropped-due-to-out-of-range-of-long-value/377375)._