# Failed to parse field \[event\_data\_param2\] of type \[date\] in document

**URL:** <https://discuss.elastic.co/t/failed-to-parse-field-event-data-param2-of-type-date-in-document/217770>\
**Category:** Elasticsearch\
**Created:** [February 4, 2020, 10:49am UTC](https://discuss.elastic.co/t/failed-to-parse-field-event-data-param2-of-type-date-in-document/217770 "2020-02-04T10:49:41Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![morpheus](https://avatars.discourse-cdn.com/v4/letter/m/ce73a5/32.png) [@morpheus](https://discuss.elastic.co/u/morpheus)\
**Post date:** [February 4, 2020, 10:49am UTC](https://discuss.elastic.co/t/failed-to-parse-field-event-data-param2-of-type-date-in-document/217770/1 "2020-02-04T10:49:41Z")

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Hi I am getting this error

> [DEBUG][o.e.a.b.TransportShardBulkAction] [node-1] [index-2020.02.04][4] failed to execute bulk item (index) index {[index-2020.02.04][doc][QNd0D3ABiS2QGKK1NMuw], source[n/a, actual length: [17.2kb], max length: 2kb]} org.elasticsearch.index.mapper.MapperParsingException: failed to parse field [event\_data\_param2] of type [date] in document

I can read and understand the error but not sure how to resolve it and get my data flowing back in to ES.

The data is coming from a Graylog GELF output.

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [March 3, 2020, 10:49am UTC](https://discuss.elastic.co/t/failed-to-parse-field-event-data-param2-of-type-date-in-document/217770/2 "2020-03-03T10:49:44Z")

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Closed on March 3, 2020, 10:49am UTC

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