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They're different builds. As far as I can tell, the openjdk builds by Debian for example are not and will not be TCK certified (due to a licensing problem if I
by Sphax 9y ago
They're different builds. As far as I can tell, the openjdk builds by Debian for example are not and will not be TCK certified (due to a licensing problem if I understood correctly), whereas AdoptOpenJDK claims some builds are certified https://adoptopenjdk.net/support.html https://adoptopenjdk.net/support.html.
In my case the certification probably won't matter, we've been running with OpenJDK from debian for a long time without problems, but I'm curious to test the OpenJDK builds that use OpenJ9 to see if it can outperform Hotspot on some workloads.
- karianna 9y agoCorrect, the AdoptOpenJDK builds will pass the TCK as well as other industry test suites. We'll build both OpenJ9 and Hotspot derivatives (and some other esoteric ones as well). We hope to work with the distros to unify the OpenJDK stories there somewhat (but we have a lot of work to do first).