[HBASE-21110] Issues with Unsafe and JDK 11

• Type: Task
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Fix Version/s: 3.0.0
• Labels: jdk11
• Assignee: Unassigned
• Reporter: Mike Drob
• Created: 24/Aug/18 17:56
• Updated: 11/Oct/18 14:35

Description

Using Java 11 RC 1, I get the following warning, probably need to add the suggested flag to our scripts?

mdrob@mdrob-MBP:~/IdeaProjects/hbase$ java -version
java version "11" 2018-09-25
Java(TM) SE Runtime Environment 18.9 (build 11+28)
Java HotSpot(TM) 64-Bit Server VM 18.9 (build 11+28, mixed mode)

mdrob@mdrob-MBP:~/IdeaProjects/hbase$ bin/start-hbase.sh
mdrob@mdrob-MBP:~/IdeaProjects/hbase$ cat /Users/mdrob/IdeaProjects/hbase/bin/../logs/hbase-mdrob-master-mdrob-MBP.local.out
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.apache.hadoop.hbase.util.UnsafeAvailChecker (file:/Users/mdrob/IdeaProjects/hbase/hbase-common/target/hbase-common-3.0.0-SNAPSHOT.jar) to method java.nio.Bits.unaligned()
WARNING: Please consider reporting this to the maintainers of org.apache.hadoop.hbase.util.UnsafeAvailChecker
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release