# X-Pack 6.1.0 does not handle variable substitutions

**URL:** <https://discuss.elastic.co/t/x-pack-6-1-0-does-not-handle-variable-substitutions/111953>\
**Category:** Elasticsearch\
**Created:** [December 15, 2017, 10:38am UTC](https://discuss.elastic.co/t/x-pack-6-1-0-does-not-handle-variable-substitutions/111953 "2017-12-15T10:38:57Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![vb4t](https://avatars.discourse-cdn.com/v4/letter/v/a698b9/32.png) [@vb4t](https://discuss.elastic.co/u/vb4t)\
**Post date:** [December 15, 2017, 10:38am UTC](https://discuss.elastic.co/t/x-pack-6-1-0-does-not-handle-variable-substitutions/111953/1 "2017-12-15T10:38:58Z")

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After upgrading to Elasticsearch 6.1 I can not use variable substitution. In this case:

```
xpack:
  security:
    authc:
      realms:
          ssl:
            certificate_authorities: ["${ELASTICSEARCH_CONFIG_PATH}/certs/myca.crt"]

```

I am receiving exception which contain following text:

`java.nio.file.NoSuchFileException: /app/volumes/config/${ELASTICSEARCH_CONFIG_PATH}/certs/myca.crt`

In 6.0.1 it was working well.

---

<div class="post-metadata">

**Author:** ![ikakavas](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/ikakavas/32/34430_2.png) [@ikakavas](https://discuss.elastic.co/u/ikakavas)\
**Post date:** [December 22, 2017, 10:04am UTC](https://discuss.elastic.co/t/x-pack-6-1-0-does-not-handle-variable-substitutions/111953/2 "2017-12-22T10:04:10Z")

</div>

Hi,

Can you verify that the Environment variable is set with

`echo $ELASTICSEARCH_CONFIG_PATH`

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<div class="post-metadata">

**Author:** ![TimV](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/timv/32/13162_2.png) [@TimV](https://discuss.elastic.co/u/TimV)\
**Post date:** [December 22, 2017, 10:34am UTC](https://discuss.elastic.co/t/x-pack-6-1-0-does-not-handle-variable-substitutions/111953/3 "2017-12-22T10:34:02Z")

</div>

This issue was sorted out on GitHub. It's a bug in core Elasticsearch.

> <https://github.com/elastic/elasticsearch/issues/27926#issuecomment-353255770>

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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:** [January 19, 2018, 10:34am UTC](https://discuss.elastic.co/t/x-pack-6-1-0-does-not-handle-variable-substitutions/111953/4 "2018-01-19T10:34:21Z")

</div>

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