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https://issues.apache.org/jira/browse/HADOOP-19583?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran resolved HADOOP-19583.
-------------------------------------
Resolution: Won't Fix
too many other code snippets do this; need a large PR, or just say in our
releases "doesn't work with early versions of Java 8"
> JDK8: RawLocalFileSystem calls ByteBuffer.flip
> ----------------------------------------------
>
> Key: HADOOP-19583
> URL: https://issues.apache.org/jira/browse/HADOOP-19583
> Project: Hadoop Common
> Issue Type: Bug
> Components: common
> Affects Versions: 3.4.2
> Reporter: Steve Loughran
> Assignee: Steve Loughran
> Priority: Major
> Labels: pull-request-available
>
> running 3.4.2 rc1 on older JDK 8 runtimes can fail
> {code}
> [INFO] -------------------------------------------------------
> [INFO] Running org.apache.parquet.hadoop.TestParquetReader
> Exception in thread "Thread-8" java.lang.NoSuchMethodError:
> java.nio.ByteBuffer.flip()Ljava/nio/ByteBuffer;
> at
> org.apache.hadoop.fs.RawLocalFileSystem$AsyncHandler.completed(RawLocalFileSystem.java:428)
> at
> org.apache.hadoop.fs.RawLocalFileSystem$AsyncHandler.completed(RawLocalFileSystem.java:362)
> at sun.nio.ch.Invoker.invokeUnchecked(Invoker.java:126)
> at
> sun.nio.ch.SimpleAsynchronousFileChannelImpl$2.run(SimpleAsynchronousFileChannelImpl.java:335)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:750)
> {code}
> this can be fixed trivially, casting to java.io.Buffer first:
> ((Byffer)buff).flip())
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