# Kibana v5.6.15 docker image build hung at 'stop:optimizeBuild' task

**URL:** <https://discuss.elastic.co/t/kibana-v5-6-15-docker-image-build-hung-at-stop-optimizebuild-task/192451>\
**Category:** Kibana\
**Created:** [July 26, 2019, 1:50pm UTC](https://discuss.elastic.co/t/kibana-v5-6-15-docker-image-build-hung-at-stop-optimizebuild-task/192451 "2019-07-26T13:50:48Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Rachangouda](https://avatars.discourse-cdn.com/v4/letter/r/c67d28/32.png) [@Rachangouda](https://discuss.elastic.co/u/Rachangouda)\
**Post date:** [July 26, 2019, 1:50pm UTC](https://discuss.elastic.co/t/kibana-v5-6-15-docker-image-build-hung-at-stop-optimizebuild-task/192451/1 "2019-07-26T13:50:48Z")

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Hi,

Kibana v5.6.15 is hung while running 'stop:optimizeBuild' task.

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**Author:** ![cjcenizal](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/cjcenizal/32/11216_2.png) [@cjcenizal](https://discuss.elastic.co/u/cjcenizal)\
**Post date:** [July 26, 2019, 6:30pm UTC](https://discuss.elastic.co/t/kibana-v5-6-15-docker-image-build-hung-at-stop-optimizebuild-task/192451/2 "2019-07-26T18:30:38Z")

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Hi there, unfortunately 5.6 has passed its [end of life date](https://www.elastic.co/support/eol) and we no longer offer support for it. Please upgrade to 6.3 or later to get support in the forums.

Thanks,  
CJ

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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:** [August 23, 2019, 6:30pm UTC](https://discuss.elastic.co/t/kibana-v5-6-15-docker-image-build-hung-at-stop-optimizebuild-task/192451/3 "2019-08-23T18:30:59Z")

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