# Unable to comunicate elastic search server 6.2.3 usingrest high level client

**URL:** <https://discuss.elastic.co/t/unable-to-comunicate-elastic-search-server-6-2-3-usingrest-high-level-client/215316>\
**Category:** Elasticsearch\
**Created:** [January 16, 2020, 1:19pm UTC](https://discuss.elastic.co/t/unable-to-comunicate-elastic-search-server-6-2-3-usingrest-high-level-client/215316 "2020-01-16T13:19:59Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![chubb123](https://avatars.discourse-cdn.com/v4/letter/c/eb9ed0/32.png) [@chubb123](https://discuss.elastic.co/u/chubb123)\
**Post date:** [January 16, 2020, 1:19pm UTC](https://discuss.elastic.co/t/unable-to-comunicate-elastic-search-server-6-2-3-usingrest-high-level-client/215316/1 "2020-01-16T13:19:59Z")

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Hi Team,

We have elastic search server 6.2.3 it is installed in MDM 10.3 .we have certificates for elastic search server it is working fine in browser.

when I try to call the rest high level client it is not working.always getting below errors  
MDM\_ESKEYSTORE\_FILE\_JKS.keystore

```
  Error : Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target

```

.P12 certificate also same issue.

Please do the needfull

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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:** [February 13, 2020, 1:20pm UTC](https://discuss.elastic.co/t/unable-to-comunicate-elastic-search-server-6-2-3-usingrest-high-level-client/215316/2 "2020-02-13T13:20:00Z")

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