# Failed to execute phase \[query\_fetch\]

**URL:** <https://discuss.elastic.co/t/failed-to-execute-phase-query-fetch/35775>\
**Category:** Elasticsearch\
**Created:** [November 27, 2015, 4:05pm UTC](https://discuss.elastic.co/t/failed-to-execute-phase-query-fetch/35775 "2015-11-27T16:05:31Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![emran](https://avatars.discourse-cdn.com/v4/letter/e/b9bd4f/32.png) [@emran](https://discuss.elastic.co/u/emran)\
**Post date:** [November 27, 2015, 4:05pm UTC](https://discuss.elastic.co/t/failed-to-execute-phase-query-fetch/35775/1 "2015-11-27T16:05:31Z")

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Yesterday after rebooting linux server, I am getting this error in my website log.

2015-11-27 16:01:38,228 ERROR error while quering elasticesearch  
ErrorId: ccad9203-0bab-4021-ba53-f407813bdec7.  
Elasticsearch.Net.ElasticsearchServerException: Failed to execute phase [query\_fetch], all shards failed; shardFailures {[eyRBaaVLRHSSLdraTvyTsw][gts][0]: SearchParseException[[sts][0]: from[0],size[20]: Parse Failure [Failed to parse source [{  
"from": 0,  
"size": 20,  
"suggest": {  
"SuggestUserLocation": {  
"text": "",  
"completion": {  
"field": "locationSuggest"  
}  
}  
}  
}]]]; nested: ClassCastException[org.elasticsearch.index.mapper.core.StringFieldMapper cannot be cast to org.elasticsearch.index.mapper.core.CompletionFieldMapper]; }

Thank you for looking.

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**Author:** ![emran](https://avatars.discourse-cdn.com/v4/letter/e/b9bd4f/32.png) [@emran](https://discuss.elastic.co/u/emran)\
**Post date:** [November 27, 2015, 4:42pm UTC](https://discuss.elastic.co/t/failed-to-execute-phase-query-fetch/35775/2 "2015-11-27T16:42:49Z")

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Anyone?

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<div class="post-metadata">

**Author:** ![emran](https://avatars.discourse-cdn.com/v4/letter/e/b9bd4f/32.png) [@emran](https://discuss.elastic.co/u/emran)\
**Post date:** [December 2, 2015, 9:57am UTC](https://discuss.elastic.co/t/failed-to-execute-phase-query-fetch/35775/3 "2015-12-02T09:57:15Z")

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No one has come across this problem before?

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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:** [July 5, 2017, 11:34pm UTC](https://discuss.elastic.co/t/failed-to-execute-phase-query-fetch/35775/4 "2017-07-05T23:34:12Z")

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