Hi everybody,
I know that Elasticsearch v.2.2 is out of support, it is dead and so on but I was using for a small project. I have a plan to create it from scratch with a new version while for the moment I would like to know what is the last supported Java version for it?
Currently, I'm using 1.8.0.91. is it possible to upgrade it?
Check out https://www.elastic.co/support/matrix for that info 
I saw that matrix but I cannot see any reference for Elastic version 2.2.x 
Oh right, yes well 2.X is EOL, so that'd be why.
https://www.elastic.co/guide/en/elasticsearch/reference/2.2/setup.html#jvm-version has info on it though. But we don't test this on current JVMs due to it being EOL, so anything newer is run at your own risk.
ok, thanks.
You may be able to get to the latest Java8, but not any further than that.
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