# Could not find java; set JAVA\_HOME or ensure java is in PATH in ubuntu

**URL:** <https://discuss.elastic.co/t/could-not-find-java-set-java-home-or-ensure-java-is-in-path-in-ubuntu/172931>\
**Category:** Elasticsearch\
**Created:** [March 19, 2019, 9:45am UTC](https://discuss.elastic.co/t/could-not-find-java-set-java-home-or-ensure-java-is-in-path-in-ubuntu/172931 "2019-03-19T09:45:46Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![jiantao\_wu](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/jiantao_wu/32/42309_2.png) [@jiantao\_wu](https://discuss.elastic.co/u/jiantao_wu)\
**Post date:** [March 19, 2019, 9:45am UTC](https://discuss.elastic.co/t/could-not-find-java-set-java-home-or-ensure-java-is-in-path-in-ubuntu/172931/1 "2019-03-19T09:45:46Z")

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![image](https://us1.discourse-cdn.com/elastic/original/3X/e/4/e4b969d3283e2f2194c3a8b37611b60573abf711.png)

How to resolve it.

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**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:** [March 19, 2019, 10:00am UTC](https://discuss.elastic.co/t/could-not-find-java-set-java-home-or-ensure-java-is-in-path-in-ubuntu/172931/2 "2019-03-19T10:00:13Z")

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Please don't post images of text as they are hardly readable and not searchable.

Instead paste the text and format it with `</>` icon. Check the preview window.

Why do you want to run elasticsearch as root? It's not allowed.

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**Author:** ![jiantao\_wu](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/jiantao_wu/32/42309_2.png) [@jiantao\_wu](https://discuss.elastic.co/u/jiantao_wu)\
**Post date:** [March 20, 2019, 1:54am UTC](https://discuss.elastic.co/t/could-not-find-java-set-java-home-or-ensure-java-is-in-path-in-ubuntu/172931/3 "2019-03-20T01:54:09Z")

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I resolve it.  
NOTE:  
Don't put Elasticsearch in /usr or similar dir.  
Don't use root to lanuch Elasticsearch

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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:** [April 17, 2019, 1:54am UTC](https://discuss.elastic.co/t/could-not-find-java-set-java-home-or-ensure-java-is-in-path-in-ubuntu/172931/4 "2019-04-17T01:54:16Z")

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