# Initial Contribution to Elastic Search(Is all java versions 9-14 required to be installed)

**URL:** <https://discuss.elastic.co/t/initial-contribution-to-elastic-search-is-all-java-versions-9-14-required-to-be-installed/228628>\
**Category:** Elasticsearch\
**Created:** [April 18, 2020, 8:12am UTC](https://discuss.elastic.co/t/initial-contribution-to-elastic-search-is-all-java-versions-9-14-required-to-be-installed/228628 "2020-04-18T08:12:37Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![harsha549](https://avatars.discourse-cdn.com/v4/letter/h/74df32/32.png) [@harsha549](https://discuss.elastic.co/u/harsha549)\
**Post date:** [April 18, 2020, 8:12am UTC](https://discuss.elastic.co/t/initial-contribution-to-elastic-search-is-all-java-versions-9-14-required-to-be-installed/228628/1 "2020-04-18T08:12:37Z")

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![image](https://us1.discourse-cdn.com/elastic/original/3X/b/1/b1d9d128a5ca114d9819117908b8d1b4fcf334fb.png)

I wanted to start contributing to elastic.So, do I need install all the java versions from Java 9 -14 ?

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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:** [April 18, 2020, 9:30am UTC](https://discuss.elastic.co/t/initial-contribution-to-elastic-search-is-all-java-versions-9-14-required-to-be-installed/228628/2 "2020-04-18T09:30:58Z")

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Welcome!

No I don't think you need all the jdk to develop and build elasticsearch. I believe the other versions are used to test elasticsearch against different jdk.

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**Author:** ![harsha549](https://avatars.discourse-cdn.com/v4/letter/h/74df32/32.png) [@harsha549](https://discuss.elastic.co/u/harsha549)\
**Post date:** [April 21, 2020, 10:05am UTC](https://discuss.elastic.co/t/initial-contribution-to-elastic-search-is-all-java-versions-9-14-required-to-be-installed/228628/3 "2020-04-21T10:05:09Z")

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So, which version should I have locally? I have only JDK8. Thanks @dadoonet

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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:** [April 21, 2020, 10:25am UTC](https://discuss.elastic.co/t/initial-contribution-to-elastic-search-is-all-java-versions-9-14-required-to-be-installed/228628/4 "2020-04-21T10:25:53Z")

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You must have JDK14 AFAIK.

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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:** [May 19, 2020, 10:37am UTC](https://discuss.elastic.co/t/initial-contribution-to-elastic-search-is-all-java-versions-9-14-required-to-be-installed/228628/5 "2020-05-19T10:37:44Z")

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