# Elasticsearch running on openjdk in clefos-s390x
**URL:** https://discuss.elastic.co/t/elasticsearch-running-on-openjdk-in-clefos-s390x/130145
**Category:** Elasticsearch
**Created:** [May 1, 2018, 6:46pm UTC](https://discuss.elastic.co/t/elasticsearch-running-on-openjdk-in-clefos-s390x/130145 "2018-05-01T18:46:32Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@vpram86](https://discuss.elastic.co/u/vpram86)
#### Post date: [May 1, 2018, 6:46pm UTC](https://discuss.elastic.co/t/elasticsearch-running-on-openjdk-in-clefos-s390x/130145/1 "2018-05-01T18:46:32Z")
I am trying to run elasticsearch 5.6.5 on s390x/Clefos with OpenJDK 64-Bit Zero VM (25.161-b14) for linux-s390x JRE (1.8.0\_161-b14) which I got from official repo [Index of /clefos/7/updates/s390x](https://download.sinenomine.net/clefos/7/updates/s390x/)
It seems to be dumping core with following error. I am not sure if I have the right java here, I could not find icedtea distribution for s390x so took the one available in clefos repo itself. Any pointers on the dump or the right java distribution to use is greatly appreciated. Thanks
> A fatal error has been detected by the Java Runtime Environment:
>
> Internal Error (cppInterpreter\_zero.cpp:831), pid=40, tid=0x000003ff9e2ff910
> Error: Unimplemented()
>
> JRE version: (8.0\_161-b14) (build )
> Java VM: OpenJDK 64-Bit Zero VM (25.161-b14 interpreted mode linux-s390x )
> Core dump written. Default location: /opt/elasticsearch/core or core.40
>
> If you would like to submit a bug report, please visit:
> [Crash Report](http://bugreport.java.com/bugreport/crash.jsp)
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### Author:  [@Christian\_Dahlqvist](https://discuss.elastic.co/u/Christian_Dahlqvist)
#### Post date: [May 2, 2018, 6:27am UTC](https://discuss.elastic.co/t/elasticsearch-running-on-openjdk-in-clefos-s390x/130145/2 "2018-05-02T06:27:08Z")
According to the [support matrix](https://www.elastic.co/support/matrix), s390x is not a supported platform. If you look at the footnote below the main table, it is stated that only x86\_64 architectures are tested and supported.
I would therefore not expect a lot of people to have tried running it on s390x, so getting someone to help might be tricky and/or take some time. I would recommend instead deploying Elasticsearch on a supported platform.
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [May 30, 2018, 6:27am UTC](https://discuss.elastic.co/t/elasticsearch-running-on-openjdk-in-clefos-s390x/130145/3 "2018-05-30T06:27:12Z")
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