# What does this error code means?

**URL:** <https://discuss.elastic.co/t/what-does-this-error-code-means/184748>\
**Category:** Elasticsearch\
**Created:** [June 7, 2019, 11:53am UTC](https://discuss.elastic.co/t/what-does-this-error-code-means/184748 "2019-06-07T11:53:03Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![Vikash\_Singh1](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/vikash_singh1/32/42119_2.png) [@Vikash\_Singh1](https://discuss.elastic.co/u/Vikash_Singh1)\
**Post date:** [June 7, 2019, 11:53am UTC](https://discuss.elastic.co/t/what-does-this-error-code-means/184748/1 "2019-06-07T11:53:04Z")

</div>

[WARN] 2019-06-07 16:40:35.383 [Ruby-0-Thread-29: :1] elasticsearch - Attempted to resurrect connection to dead ES instance, but got an error. {:url=\>"[http://10.11.109.5:9200/](http://10.11.109.5:9200/)", :error\_type=\>LogStash::Outputs::ElasticSearch::HttpClient::Pool::BadResponseCodeError, :error=\>"Got response code '401' contacting Elasticsearch at URL '[http://10.11.109.5:9200/](http://10.11.109.5:9200/)'"}

---

<div class="post-metadata">

**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:** [June 7, 2019, 12:14pm UTC](https://discuss.elastic.co/t/what-does-this-error-code-means/184748/2 "2019-06-07T12:14:53Z")

</div>

The user is not authenticated. That's what an HTTP 401 code means.

---

<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:** [July 5, 2019, 12:15pm UTC](https://discuss.elastic.co/t/what-does-this-error-code-means/184748/3 "2019-07-05T12:15:07Z")

</div>

Closed on July 5, 2019, 12:15pm UTC

This topic was automatically closed 28 days after the last reply. New replies are no longer allowed.