# Will Elasticsearch support OpenJ9 in the future?

**URL:** <https://discuss.elastic.co/t/will-elasticsearch-support-openj9-in-the-future/137344>\
**Category:** Elasticsearch\
**Created:** [June 26, 2018, 3:53am UTC](https://discuss.elastic.co/t/will-elasticsearch-support-openj9-in-the-future/137344 "2018-06-26T03:53:38Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![jimwayneyeh](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/jimwayneyeh/32/44292_2.png) [@jimwayneyeh](https://discuss.elastic.co/u/jimwayneyeh)\
**Post date:** [June 26, 2018, 4:07am UTC](https://discuss.elastic.co/t/will-elasticsearch-support-openj9-in-the-future/137344/3 "2018-06-26T04:07:20Z")

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I suppose 'OpenJDK 9' is different from 'OpenJ9'? OpenJ9 is another Java runtime based on OpenJDK and maintained by eclipse foundation.  
[https://www.eclipse.org/openj9/](https://www.eclipse.org/openj9/)

Though I'm not sure in the following case, the mentioned 'IBM J9 VM' is the same thing from 'OpenJ9' or not, but at least they should work pretty much like each other since OpenJ9 is originally donated by IBM. And in the matrix, IBM JVM is still unable to run Elasticsearch.

> [@SOLVED - Installation for ES : Java Error](https://discuss.elastic.co/t/solved-installation-for-es-java-error/124269):
>
> Hi, I've got an error when trying installa X-pack 6.1.2 for ES (zip file x-pack donwload in temp dir) : Elasticsearch keystore is required by plugin [x-pack], creating... Exception in thread "main" java.lang.RuntimeException: java.security.NoSuchAlgorithmException: PBE SecretKeyFactory not available at org.elasticsearch.common.settings.KeyStoreWrapper.(KeyStoreWrapper.java:150) at org.elasticsearch.common.settings.KeyStoreWrapper.create(KeyStoreWrapper.java:163) at org.elasticsearch.plugi…

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