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https://issues.apache.org/jira/browse/SPARK-22659?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16272123#comment-16272123
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liyunzhang commented on SPARK-22659:
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So when you compile with -Pscala-2.12 and jdk8, there is no this issue?
> remove sun.misc.Cleaner references
> ----------------------------------
>
> Key: SPARK-22659
> URL: https://issues.apache.org/jira/browse/SPARK-22659
> Project: Spark
> Issue Type: Improvement
> Components: Build
> Affects Versions: 2.2.0
> Reporter: liyunzhang
>
> build with scala-2.12 with following steps
> 1. change the pom.xml with scala-2.12
> {code}
> ./dev/change-scala-version.sh 2.12
> {code}
> 2.build with -Pscala-2.12
> {code}
> ./dev/make-distribution.sh --tgz -Pscala-2.12 -Phadoop-2.7 -Pyarn
> -Pparquet-provided -Dhadoop.version=2.7.3
> {code}
> get the error
> {code}
> /common/unsafe/src/main/java/org/apache/spark/unsafe/Platform.java:172:
> error: cannot find symbol
> Cleaner cleaner = Cleaner.create(buffer, () -> freeMemory(memory));
> {code}
> This is because sun.misc.Cleaner has been moved to new location in JDK9.
> HADOOP-12760 will be the long term fix
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