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Posted to jira@arrow.apache.org by "David Dali Susanibar Arce (Jira)" <ji...@apache.org> on 2022/04/21 16:04:00 UTC
[jira] [Commented] (ARROW-12747) [Java] Arrow's use of Netty library causes UnsupportedOperationException with JDK16
[ https://issues.apache.org/jira/browse/ARROW-12747?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17525811#comment-17525811 ]
David Dali Susanibar Arce commented on ARROW-12747:
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Hi [~meg.knister@snowflake.com] please could you try to test changes on this [PR|https://github.com/apache/arrow/pull/12941] on your JSE16 environment, just tested on my side and it is working. Please let me know if you have some errors.
> [Java] 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
> Fix For: 9.0.0
>
>
> 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!
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