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I should have clarified for Jack when he responded, but don't know
*everything* about Java, even though it is my primary language. I
figured Jack was in the know about some unknown skunk works project
where Oracle had ported the J9 itself (which would have been a weird
full-circle endeavor).
The IBM J9 has been rock solid on IBM i. Fast, too, when they developed
the 32bit version. When Oracle announced the licensing change, I
quickly switched my desktop version to OpenJ9 (version 8, BTW) and it
worked well until I experienced some weirdness with Liferay (7.0). I
reported it to the OpenJ9 folks and it is currently stalled. It has to
do with the SASS compiler. So right now I have issues with the Liferay
JSON implementation for serialization/deserialization. I have issues
with the SASS compiler and also it seems that Elasticsearch isn't
supported in the IBM J9 environment
(
https://www.elastic.co/support/matrix#matrix_jvm ) even though it IS
supported in OpenJDK and presumably in OpenJ9 and the builds from the
AdoptOpenJDK project. My issues in Windows and Liferay come from use of
jdk8u222-b10_openj9-0.15.1
The challenge in the Java World is remembering that all JVM's are not
created equal, even at the same version. Oracle's purchase of Sun has
been good for Java because the forks of the JVM code have led to greater
independence and cross platform compatibility, but it is still a little
bit in the trial and error mode when it comes to apps written in Java.
You hope there aren't any dependencies on a Sun package name that will
come back to haunt you.
I wish IBM had purchased the Sun assets in Java, but that debate is long
over...
Pete Helgren
www.petesworkshop.com
GIAC Secure Software Programmer-Java
Twitter - Sys_i_Geek IBM_i_Geek
On 9/6/2019 7:45 PM, David Gibbs via MIDRANGE-L wrote:
A while ago IBM made it open source, relabeled it as OpenJ9, and donated
it to
the Eclipse foundation.
https://www.eclipse.org/openj9/
OpenJ9 has none of the stupid licensing restrictions that Oracle java does.
david
midrange.com
