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Marius Oancea edited comment on ARROW-12747 at 2/4/22, 6:48 PM: ---------------------------------------------------------------- I'm using Arrow 0.16.0 with netty 4.1.72.Final and the problem still exists (JDK17): Error occured while deserializing arrow data: sun.misc.Unsafe or java.nio.DirectByteBuffer.<init>(long, int) not available was (Author: JIRAUSER284704): I'm using Arrow 0.16.0 with netty 4.1.72.Final and the problem still exists: Error occured while deserializing arrow data: sun.misc.Unsafe or java.nio.DirectByteBuffer.<init>(long, int) not available > Arrow's use of Netty library causes UnsupportedOperationException with JDK16 > ---------------------------------------------------------------------------- > > Key: ARROW-12747 > URL: https://issues.apache.org/jira/browse/ARROW-12747 > Project: Apache Arrow > Issue Type: Sub-task > Components: Java > Affects Versions: 0.15.1, 5.0.0 > Reporter: Megan Knister > Assignee: David Dali Susanibar Arce > Priority: Blocker > > The Arrow vector library depends on netty, which throws the exception > *java.lang.UnsupportedOperationException: sun.misc.Unsafe or > java.nio.DirectByteBuffer.(long, int) not available.* In the documentation, > [it's stated that > s|https://github.com/apache/arrow/blob/master/java/README.md]etting > "-Dio.netty.tryReflectionSetAccessible=true" fixes the issue. This is true > with all java versions except with usage of the latest JDK16. The exception > gets thrown regardless of this system property setting when using JDK16. > > Is there a fix for this? > Thanks! -- This message was sent by Atlassian Jira (v8.20.1#820001)