# Failed to execute bulk item in ES

**URL:** <https://discuss.elastic.co/t/failed-to-execute-bulk-item-in-es/143898>\
**Category:** Elasticsearch\
**Created:** [August 10, 2018, 4:11pm UTC](https://discuss.elastic.co/t/failed-to-execute-bulk-item-in-es/143898 "2018-08-10T16:11:37Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![cactus](https://avatars.discourse-cdn.com/v4/letter/c/f475e1/32.png) [@cactus](https://discuss.elastic.co/u/cactus)\
**Post date:** [August 10, 2018, 4:11pm UTC](https://discuss.elastic.co/t/failed-to-execute-bulk-item-in-es/143898/1 "2018-08-10T16:11:37Z")

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Hello,

Can someone explain what does it mean?  
We're using ES 5.6 and in ES logs I see a bunch of records like:

> [2018-08-10T15:59:14,212][DEBUG][o.e.a.b.TransportShardBulkAction] [data-001] [logstash-2018.08.10][0] failed to execute bulk item (index) BulkShardRequest [[logstash-2018.08.10][0]] containing [188] requests  
> org.elasticsearch.index.mapper.MapperParsingException: failed to parse [xyz\_params]

OR

> [2018-08-10T15:59:26,187][DEBUG][o.e.a.b.TransportShardBulkAction] [data-001] [logstash-2018.08.10][0] failed to execute bulk item (index) BulkShardRequest [[logstash-2018.08.10][0]] containing [204] requests  
> org.elasticsearch.index.mapper.MapperParsingException: object mapping for [xyz\_request] tried to parse field [null] as object, but found a concrete value

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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:** [September 7, 2018, 4:11pm UTC](https://discuss.elastic.co/t/failed-to-execute-bulk-item-in-es/143898/2 "2018-09-07T16:11:38Z")

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