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https://issues.apache.org/jira/browse/HADOOP-7782?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13139442#comment-13139442
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Tom White commented on HADOOP-7782:
-----------------------------------
The short answer is "mvn javadoc:aggregate -Dmaxmemory=1024". However, we
should only publish the public API, which means we should use the
annotation-aware doclet, and we should group the API by project using the
groups parameter.
More at
http://maven.apache.org/plugins/maven-javadoc-plugin/examples/aggregate.html
and http://maven.apache.org/plugins/maven-javadoc-plugin/aggregate-mojo.html
I can look at this one if you like.
> Add a way to merge javadocs?
> ----------------------------
>
> Key: HADOOP-7782
> URL: https://issues.apache.org/jira/browse/HADOOP-7782
> Project: Hadoop Common
> Issue Type: Bug
> Components: build
> Reporter: Arun C Murthy
> Priority: Critical
>
> With 'mvn javadoc:javadoc' we now get docs spread over the maven modules. Is
> there a way to stich them all together?
> Also, there are some differences in their generation: hadoop-auth and
> hadoop-yarn-* hadoop-mapreduce-* modules goto a top-level apidocs dir which
> isn't the case for hadoop-common and hadoop-hdfs - they go straight to
> target/site/api.
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