Christian Ortlepp created ARTEMIS-5948:
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Summary: Use jctools-core-jdk11 Unsafe-free varhandle replacements
Key: ARTEMIS-5948
URL: https://issues.apache.org/jira/browse/ARTEMIS-5948
Project: Artemis
Issue Type: Improvement
Reporter: Christian Ortlepp
Artemis currently uses some queues from jctools-core which rely on
sun.misc.Unsafe internally. These methods are deprecated in JDK24+, issue a
warning at runtime and will be removed in future versions of the JDK. Thus it
makes sense to switch to an implementation which does not rely on those methods.
In their latest
[release|https://github.com/JCTools/JCTools/releases/tag/v4.0.6] JCTools have
started to publish a new artifact, jctools-core-jdk11, which contains
alternative Varhandle based implementations which do not use Unsafe. As far as
I understand them they are designed to be a drop-in replacement to the existing
Unsafe implementations.
It would be great if we could either switch to the new implementations entirely
or provide it as an option somehow for the people that would like to avoid
Unsafe. I will link a PR shortly where I switched over to the new
implementation, but I am open to feedback if for example we can only do this
change opt-in.
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