# How to trigger "indexing.index\_failed" stat

**URL:** <https://discuss.elastic.co/t/how-to-trigger-indexing-index-failed-stat/235133>\
**Category:** Elasticsearch\
**Created:** [June 1, 2020, 8:23am UTC](https://discuss.elastic.co/t/how-to-trigger-indexing-index-failed-stat/235133 "2020-06-01T08:23:34Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![vakhtang](https://avatars.discourse-cdn.com/v4/letter/v/3bc359/32.png) [@vakhtang](https://discuss.elastic.co/u/vakhtang)\
**Post date:** [June 1, 2020, 8:23am UTC](https://discuss.elastic.co/t/how-to-trigger-indexing-index-failed-stat/235133/1 "2020-06-01T08:23:35Z")

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Hello,  
One of the stats, that we can receive from the \_cat/indices API, is indexing.index\_failed.  
In the documentation, this stat describes as: "Number of failed indexing operations".  
How can I trigger this stat?  
I try to do this with incorrect document indexing.  
For example, I send a document with an integer in date mapped field, that looks like a classic failed indexing operation, but I do not see any changes in the stat.

Thank a lot!

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [June 29, 2020, 8:23am UTC](https://discuss.elastic.co/t/how-to-trigger-indexing-index-failed-stat/235133/2 "2020-06-29T08:23:41Z")

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