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https://issues.apache.org/jira/browse/FLINK-15094?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chesnay Schepler closed FLINK-15094.
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Resolution: Won't Fix
Last time I looked into this I could not find a way to suppress these warnings.
> Warning about using private constructor of java.nio.DirectByteBuffer in Java
> 11
> -------------------------------------------------------------------------------
>
> Key: FLINK-15094
> URL: https://issues.apache.org/jira/browse/FLINK-15094
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Task
> Reporter: Andrey Zagrebin
> Priority: Major
>
> The unsafe off-heap in
> [FLINK-13985|https://jira.apache.org/jira/browse/FLINK-13985] was implemented
> by hacking into a private constructor of java.nio.DirectByteBuffer. This
> causes undesirable warnings in Java 11:
> {code:java}
> WARNING: An illegal reflective access operation has occurred
> WARNING: Illegal reflective access by
> org.apache.flink.core.memory.MemoryUtils
> (file:/C:/Development/repos/flink/flink-core/target/classes/) to constructor
> java.nio.DirectByteBuffer(long,int)
> WARNING: Please consider reporting this to the maintainers of
> org.apache.flink.core.memory.MemoryUtils
> 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{code}
> We should look into this, confirm that it is harmless and try to silence it
> to avoid confusion for users.
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