Shohei Okumiya created HIVE-28997:
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Summary: Replace nashorn-core
Key: HIVE-28997
URL: https://issues.apache.org/jira/browse/HIVE-28997
Project: Hive
Issue Type: Improvement
Components: Test
Reporter: Shohei Okumiya
Assignee: Shohei Okumiya
We are using nashorn-core to calculate an object size in
TestVectorMapJoinFastHashTable. JDK previously bundled Nashorn as of JDK 8, and
does not do so with JDK 17. So, we explicitly have a dependency on Nashorn. The
current setup has several drawbacks.
- Although we use it in our test codes, it is a compile dependency of Hive
- It is suspicious that we can redistribute it as a part of Hive, as the
license is GPL-like
- The class, `jdk.nashorn.internal.ir.debug.ObjectSizeCalculator` which we are
using, belongs to an internal package and it'll be removed in the future
Therefore, we can explore a new option that replaces Nashorn. Fortunately, we
don't use it as a JavaScript engine.
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