[jira] [Created] (SPARK-27981) Remove `Illegal reflective access` warning for `java.nio.Bits.unaligned()`

["Dongjoon Hyun (JIRA)" <ji...@apache.org>]

Dongjoon Hyun created SPARK-27981:
-------------------------------------

             Summary: Remove `Illegal reflective access` warning for `java.nio.Bits.unaligned()`
                 Key: SPARK-27981
                 URL: https://issues.apache.org/jira/browse/SPARK-27981
             Project: Spark
          Issue Type: Improvement
          Components: Spark Core
    Affects Versions: 3.0.0
            Reporter: Dongjoon Hyun


This PR aims to remove the following warnings for `java.nio.Bits.unaligned` at JDK9/10/11/12. Please note that there are more warnings which is beyond of this PR's scope.
{code}
bin/spark-shell --driver-java-options=--illegal-access=warn
WARNING: Illegal reflective access by org.apache.spark.unsafe.Platform (file:/Users/dhyun/APACHE/spark-release/spark-3.0/assembly/target/scala-2.12/jars/spark-unsafe_2.12-3.0.0-SNAPSHOT.jar) to method java.nio.Bits.unaligned()
...
{code}



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