Hello everyone,with karaf-4.5.0 requiring Java 11 (https://issues.apache.org/jira/browse/KARAF-7754), there are a number of places where we can safely forget about how JVM < 9 did things, which could lead to simplifications.
One of these is Karaf's jre.properties, which (as I understand it) define the set of packages which are to be advertised by the OSGi framework (bundle 0, or somesuch, sorry, I am quite rusty on the spec).
JEP 220 (https://openjdk.org/jeps/220), integrated in Java 9, exposes the set of runtime-available packages as jrt:/packages/ (see https://bugs.openjdk.org/browse/JDK-8066492).
This would mean we can figure out the set of packages at runtime, would make jre.properties (and our adding a new jre-XY entry every 6 months), superfluous.
There is one wrinkle, which is javax.transaction.xa, but, with my all of no knowledge of J2EE, I think this a problem we need to deal with only until we transition to the jakarta namespaces (karaf-5?)[0]
Does this effort sound reasonable, or am I missing something? Thanks, Robert[0] I think it might make sense to list Karaf, and perhaps Pax Web, somewhere searchable, like https://jakarta.ee/blogs/javax-jakartaee-namespace-ecosystem-progress/ .
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