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https://issues.apache.org/jira/browse/SPARK-3359?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15730311#comment-15730311
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Michal Šenkýř commented on SPARK-3359:
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Yes, I did do a grep on `[error]`. I am trying to build the docs now with those
`>` replaced by `>` to see if it completes.
I believe it would be worth it to fix. As a newcomer to the Spark community, I
had no idea it was Java 8 related.
> `sbt/sbt unidoc` doesn't work with Java 8
> -----------------------------------------
>
> Key: SPARK-3359
> URL: https://issues.apache.org/jira/browse/SPARK-3359
> Project: Spark
> Issue Type: Bug
> Components: Documentation
> Affects Versions: 1.1.0
> Reporter: Xiangrui Meng
> Assignee: Hyukjin Kwon
> Priority: Minor
> Fix For: 2.1.1
>
> Attachments: errors.txt
>
>
> It seems that Java 8 is stricter on JavaDoc. I got many error messages like
> {code}
> [error]
> /Users/meng/src/spark-mengxr/core/target/java/org/apache/hadoop/mapred/SparkHadoopMapRedUtil.java:2:
> error: modifier private not allowed here
> [error] private abstract interface SparkHadoopMapRedUtil {
> [error] ^
> {code}
> This is minor because we can always use Java 6/7 to generate the doc.
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