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https://issues.apache.org/jira/browse/SPARK-6152?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14346650#comment-14346650
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Sean Owen commented on SPARK-6152:
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Spark is not compiled with Java 8. What problem are you reporting?
> Spark does not support Java 8 compiled Scala classes
> ----------------------------------------------------
>
> Key: SPARK-6152
> URL: https://issues.apache.org/jira/browse/SPARK-6152
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 1.2.1
> Environment: Java 8+
> Scala 2.11
> Reporter: Ronald Chen
> Priority: Minor
>
> Spark uses reflectasm to check Scala closures which fails if the Scala classs
> is compiled to Java 8 class version
> The cause is reflectasm does not support Java 8
> https://github.com/EsotericSoftware/reflectasm/issues/35
> Workaround:
> Don't compile Scala classes to Java 8, Scala 2.11 does not support nor
> require any Java 8 features
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