# Problem in Setting Up my Development Environment - yarn kbn bootstrap failed

**URL:** <https://discuss.elastic.co/t/problem-in-setting-up-my-development-environment-yarn-kbn-bootstrap-failed/141901>\
**Category:** Kibana\
**Created:** [July 27, 2018, 8:00am UTC](https://discuss.elastic.co/t/problem-in-setting-up-my-development-environment-yarn-kbn-bootstrap-failed/141901 "2018-07-27T08:00:51Z")\
**Posts on this page:** 8\
**Page:** 1

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**Author:** ![asallemi](https://avatars.discourse-cdn.com/v4/letter/a/c6cbf5/32.png) [@asallemi](https://discuss.elastic.co/u/asallemi)\
**Post date:** [July 27, 2018, 8:00am UTC](https://discuss.elastic.co/t/problem-in-setting-up-my-development-environment-yarn-kbn-bootstrap-failed/141901/1 "2018-07-27T08:00:51Z")

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Hi,

I am trying to setup kibana 6.3.0 development environment and to bootstrap Kibana and install all the dependencies, I've to use this cmd **yarn kbn bootstrap**. Sadly, I've this message failed **[bootstrap] failed**.

![yarn](https://us1.discourse-cdn.com/elastic/original/3X/5/f/5f9dfcf3422c1090413bb6be41a8130edc3004a6.png)

I installed yarn 1.7 and 1.6 and I still face the same problem.  
Any help ?

Best regards.

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**Author:** ![Marius\_Dragomir](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/marius_dragomir/32/42087_2.png) [@Marius\_Dragomir](https://discuss.elastic.co/u/Marius_Dragomir)\
**Post date:** [July 27, 2018, 4:17pm UTC](https://discuss.elastic.co/t/problem-in-setting-up-my-development-environment-yarn-kbn-bootstrap-failed/141901/2 "2018-07-27T16:17:57Z")

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Hello,

This looks like a network error on your side. Can you see if yarn is somehow blocked from your firewall?

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<div class="post-metadata">

**Author:** ![asallemi](https://avatars.discourse-cdn.com/v4/letter/a/c6cbf5/32.png) [@asallemi](https://discuss.elastic.co/u/asallemi)\
**Post date:** [July 30, 2018, 6:58am UTC](https://discuss.elastic.co/t/problem-in-setting-up-my-development-environment-yarn-kbn-bootstrap-failed/141901/3 "2018-07-30T06:58:46Z")

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Hello @Marius_Dragomir,

I've a proxy so I configured it using this commands:  
**yarn config set proxy [http://username:password@host](http://username:password@host):port**  
**yarn config set https-proxy [http://username:password@host](http://username:password@host):port**

But I got the same display ☹

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<div class="post-metadata">

**Author:** ![asallemi](https://avatars.discourse-cdn.com/v4/letter/a/c6cbf5/32.png) [@asallemi](https://discuss.elastic.co/u/asallemi)\
**Post date:** [July 30, 2018, 10:11am UTC](https://discuss.elastic.co/t/problem-in-setting-up-my-development-environment-yarn-kbn-bootstrap-failed/141901/4 "2018-07-30T10:11:21Z")

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I enabled my firewall too, it doesn't work !  
Is there any solution ? 🙄

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**Author:** ![Marius\_Dragomir](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/marius_dragomir/32/42087_2.png) [@Marius\_Dragomir](https://discuss.elastic.co/u/Marius_Dragomir)\
**Post date:** [July 30, 2018, 12:48pm UTC](https://discuss.elastic.co/t/problem-in-setting-up-my-development-environment-yarn-kbn-bootstrap-failed/141901/5 "2018-07-30T12:48:55Z")

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Does yarn work with that config in any other place?

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<div class="post-metadata">

**Author:** ![asallemi](https://avatars.discourse-cdn.com/v4/letter/a/c6cbf5/32.png) [@asallemi](https://discuss.elastic.co/u/asallemi)\
**Post date:** [July 30, 2018, 12:54pm UTC](https://discuss.elastic.co/t/problem-in-setting-up-my-development-environment-yarn-kbn-bootstrap-failed/141901/6 "2018-07-30T12:54:04Z")

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I'll try that and I'll let you know 😉

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<div class="post-metadata">

**Author:** ![asallemi](https://avatars.discourse-cdn.com/v4/letter/a/c6cbf5/32.png) [@asallemi](https://discuss.elastic.co/u/asallemi)\
**Post date:** [July 31, 2018, 11:35am UTC](https://discuss.elastic.co/t/problem-in-setting-up-my-development-environment-yarn-kbn-bootstrap-failed/141901/7 "2018-07-31T11:35:37Z")

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It works in another machine. Thanks @Marius_Dragomir 😄

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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:** [August 28, 2018, 11:35am UTC](https://discuss.elastic.co/t/problem-in-setting-up-my-development-environment-yarn-kbn-bootstrap-failed/141901/8 "2018-08-28T11:35:41Z")

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