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https://issues.apache.org/jira/browse/HADOOP-16862?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17143506#comment-17143506
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Akira Ajisaka commented on HADOOP-16862:
----------------------------------------
{noformat}
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-javadoc-plugin:3.0.1:javadoc (default-cli) on
project hadoop-annotations: An error has occurred in Javadoc report generation:
[ERROR] Exit code: 1 - javadoc: warning - You have specified the HTML version
as HTML 4.01 by using the -html4 option.
[ERROR] The default is currently HTML5 and the support for HTML 4.01 will be
removed
[ERROR] in a future release. To suppress this warning, please ensure that any
HTML constructs
[ERROR] in your comments are valid in HTML5, and remove the -html4 option.
[ERROR] javadoc: error - The code being documented uses modules but the
packages defined in https://docs.oracle.com/javase/8/docs/api/ are in the
unnamed module.
[ERROR]
[ERROR] Command line was:
/Library/Java/JavaVirtualMachines/adoptopenjdk-11.jdk/Contents/Home/bin/javadoc
@options @packages
[ERROR]
[ERROR] Refer to the generated Javadoc files in
'/Users/aajisaka/git/hadoop/hadoop-common-project/hadoop-annotations/target/site/apidocs'
dir.
{noformat}
> [JDK11] Support JavaDoc
> -----------------------
>
> Key: HADOOP-16862
> URL: https://issues.apache.org/jira/browse/HADOOP-16862
> Project: Hadoop Common
> Issue Type: Sub-task
> Reporter: Akira Ajisaka
> Priority: Major
>
> This issue is to run {{mvn javadoc:javadoc}} successfully in Apache Hadoop
> with Java 11.
> Now there are many errors.
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