Uwe Schindler created LUCENE-10505:
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Summary: Cleanup oal.util.Constants to use
java.lang.Runtime.Version and remove outdated versions
Key: LUCENE-10505
URL: https://issues.apache.org/jira/browse/LUCENE-10505
Project: Lucene - Core
Issue Type: Improvement
Components: core/other
Reporter: Uwe Schindler
In oal.util.Constants we have some constants about the 64 bitness and Java
version and vendor info. Especially theres also parsing of system properties to
get major and minor Java version.
We should change this in main and 9.x to use
https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Runtime.html#version()
and the version class. The version class also allows to compare in a safe way.
The good thing is that you also get minor bugfix info, so code could disable
stuff exactly at specific versions that are buggy.
We should also cleanup the constants. In 9.x and main we still have
`JRE_IS_MINIMUM_JAVA8`! We should remove this constants (+ deprecate in 9.x and
set to true) and change all code relying on the to execute code for java 8.
Same for 11 and 17.
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