+1 on supporting LTS releases.

VM distributors (RedHat, Azul - to name two) want to provide patches to LTS versions (i.e. into http://hg.openjdk.java.net/jdk-updates/jdk11u/). How that will play out in reality ... I don't know. Whether Oracle will contribute to that repo for 8 after it's EOL and 11 after the 6 month cycle ... we will see. Most Linux distributions promised(?) long-term support for Java 11 in their LTS releases (e.g. Ubuntu 18.04). I am not sure what that exactly means ... whether they will actively provide patches to OpenJDK or whether they just build from source.

But considering that, I think it's definitely worth to at least keep an eye on Java 12 and 13 - even if those are just EA. Java 12 for example does already forbid some "dirty tricks" that are still possible in Java 11.


On 11/6/18 8:32 PM, DB Tsai wrote:
OpenJDK will follow Oracle's release cycle, https://openjdk.java.net/projects/jdk/, a strict six months model. I'm not familiar with other non-Oracle VMs and Redhat support.

DB Tsai  |  Siri Open Source Technologies [not a contribution]  |   Apple, Inc

On Nov 6, 2018, at 11:26 AM, Reynold Xin <r...@databricks.com <mailto:r...@databricks.com>> wrote:

What does OpenJDK do and other non-Oracle VMs? I know there was a lot of discussions from Redhat etc to support.


On Tue, Nov 6, 2018 at 11:24 AM DB Tsai <d_t...@apple.com <mailto:d_t...@apple.com>> wrote:

    Given Oracle's new 6-month release model, I feel the only
    realistic option is to only test and support JDK such as JDK 11
    LTS and future LTS release. I would like to have a discussion on
    this in Spark community.

    Thanks,

    DB Tsai  |  Siri Open Source Technologies [not a contribution]  |
      Apple, Inc


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Robert Stupp
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