# Es/search\] Missing \[X-Elastic-Product\] header

**URL:** <https://discuss.elastic.co/t/es-search-missing-x-elastic-product-header/344366>\
**Category:** Elasticsearch\
**Tags:** language-clients\
**Created:** [October 4, 2023, 9:11am UTC](https://discuss.elastic.co/t/es-search-missing-x-elastic-product-header/344366 "2023-10-04T09:11:01Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![matt4589](https://avatars.discourse-cdn.com/v4/letter/m/51bf81/32.png) [@matt4589](https://discuss.elastic.co/u/matt4589)\
**Post date:** [October 4, 2023, 9:11am UTC](https://discuss.elastic.co/t/es-search-missing-x-elastic-product-header/344366/1 "2023-10-04T09:11:01Z")

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I'm using Java API Client 8.5.3 against elasticsearch 7.12.0  
I'm gettinf this error when doing a search:

co.elastic.clients.transport.TransportException: [es/search] Missing [X-Elastic-Product] header. Please check that you are connecting to an Elasticsearch instance, and that any networking filters are preserving that header.

Is it because I can not use Java API Client with elasticsearch 7.12.0 ?

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**Author:** ![Christian\_Dahlqvist](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/christian_dahlqvist/32/4617_2.png) [@Christian\_Dahlqvist](https://discuss.elastic.co/u/Christian_Dahlqvist)\
**Post date:** [October 4, 2023, 9:26am UTC](https://discuss.elastic.co/t/es-search-missing-x-elastic-product-header/344366/2 "2023-10-04T09:26:30Z")

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Version 8 clients are not compatible with Elasticsearch 7.x, so I would recommend you upgrade. The version you are using is very, very old and has been EOL a long time.

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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:** [October 4, 2023, 9:56am UTC](https://discuss.elastic.co/t/es-search-missing-x-elastic-product-header/344366/4 "2023-10-04T09:56:24Z")

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You asked the same question at [Move from High Level REST client to Java API Client](https://discuss.elastic.co/t/move-from-high-level-rest-client-to-java-api-client/344304). Let's keep the discussion there 😉

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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:** [November 1, 2023, 9:56am UTC](https://discuss.elastic.co/t/es-search-missing-x-elastic-product-header/344366/5 "2023-11-01T09:56:53Z")

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