# Parse Exception while executing has\_child query in Embedded Elastic Search Server

**URL:** <https://discuss.elastic.co/t/parse-exception-while-executing-has-child-query-in-embedded-elastic-search-server/138977>\
**Category:** Elasticsearch\
**Created:** [July 6, 2018, 7:48pm UTC](https://discuss.elastic.co/t/parse-exception-while-executing-has-child-query-in-embedded-elastic-search-server/138977 "2018-07-06T19:48:50Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\
**Post date:** [July 7, 2018, 3:55am UTC](https://discuss.elastic.co/t/parse-exception-while-executing-has-child-query-in-embedded-elastic-search-server/138977/4 "2018-07-07T03:55:09Z")

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To run integration tests (not unit tests) you would probably prefer running that in something close to a production environment, like a real elasticsearch server instance. I shared some ideas about integration testing in this thread: [In memory testing with RestHighLevelClient](https://discuss.elastic.co/t/in-memory-testing-with-resthighlevelclient/106196/6)

Also this sample project shows how to use Elasticsearch Test Classes:

> **[joel-costigliola/elastic-search-test](https://github.com/joel-costigliola/elastic-search-test)**
>
> elastic-search-test - ESIntegTestCase example

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