# Failed to parse exception - Preview of field's value: ''

**URL:** <https://discuss.elastic.co/t/failed-to-parse-exception-preview-of-fields-value/265599>\
**Category:** Elasticsearch\
**Created:** [February 26, 2021, 11:02am UTC](https://discuss.elastic.co/t/failed-to-parse-exception-preview-of-fields-value/265599 "2021-02-26T11:02:11Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Q\_the\_River](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/q_the_river/32/84605_2.png) [@Q\_the\_River](https://discuss.elastic.co/u/Q_the_River)\
**Post date:** [February 26, 2021, 11:02am UTC](https://discuss.elastic.co/t/failed-to-parse-exception-preview-of-fields-value/265599/1 "2021-02-26T11:02:11Z")

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We are using fluentd to forward logs towards elasticsearch.  
A lot of messages are getting rejected by ES without a rejection reason, does anybody have idea on how to debug this?

`Rejected by Elasticsearch [error type]: mapper_parsing_exception [reason]: 'failed to parse field [Message] of type [text] in document with id 'bFzh3XcB1iFNVtbxgsbP'. Preview of field's value: '''`

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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 26, 2021, 11:03am UTC](https://discuss.elastic.co/t/failed-to-parse-exception-preview-of-fields-value/265599/2 "2021-03-26T11:03:04Z")

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