# Related to cluster java version
**URL:** https://discuss.elastic.co/t/related-to-cluster-java-version/22583
**Category:** Elasticsearch
**Created:** [March 9, 2015, 2:51pm UTC](https://discuss.elastic.co/t/related-to-cluster-java-version/22583 "2015-03-09T14:51:36Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@Phani\_Nadiminti](https://discuss.elastic.co/u/Phani_Nadiminti)
#### Post date: [March 9, 2015, 2:51pm UTC](https://discuss.elastic.co/t/related-to-cluster-java-version/22583/1 "2015-03-09T14:51:36Z")
Hi All,
```
I have a cluster with three nodes two machines have java version java
```
version "1.7.0\_55" and one machine java version is java version
"1.7.0\_51".The new machine need to add to existing cluster soon.
I have following question please clarify me.
```
Is there any restriction in elasticsearch that cluster should
```
contains same version of java on each node?
Thanks,
phani
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### Author:  [@warkolm](https://discuss.elastic.co/u/warkolm)
#### Post date: [March 9, 2015, 6:47pm UTC](https://discuss.elastic.co/t/related-to-cluster-java-version/22583/2 "2015-03-09T18:47:29Z")
It's better if you can have the same version on all, but it will work as
long as the major version is the same.
We also recommend 1.7u55+ as well due to bugs in previous releases.
On 10 March 2015 at 01:51, [phani.nadiminti@goktree.com](mailto:phani.nadiminti@goktree.com) wrote:
> Hi All,
>
> ```
> I have a cluster with three nodes two machines have java version java
>
> ```
>
> version "1.7.0\_55" and one machine java version is java version
> "1.7.0\_51".The new machine need to add to existing cluster soon.
>
> I have following question please clarify me.
>
> ```
> Is there any restriction in elasticsearch that cluster should
>
> ```
>
> contains same version of java on each node?
>
> Thanks,
> phani
>
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> [https://groups.google.com/d/msgid/elasticsearch/fbb2cab8-7379-49ac-b3f9-0564a39a80fd%40googlegroups.com?utm\_medium=email&utm\_source=footer](https://groups.google.com/d/msgid/elasticsearch/fbb2cab8-7379-49ac-b3f9-0564a39a80fd%40googlegroups.com?utm_medium=email&utm_source=footer)
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [July 6, 2017, 12:27am UTC](https://discuss.elastic.co/t/related-to-cluster-java-version/22583/3 "2017-07-06T00:27:44Z")