[HADOOP-17179] [JDK 11] Fix javadoc error in Java API link detection

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.4.0
• Fix Version/s: 3.4.0
• Component/s: build
• Target Version/s: 3.4.0
• Hadoop Flags: Reviewed
• Assignee: Akira Ajisaka
• Reporter: Akira Ajisaka
• Created: 03/Aug/20 07:16
• Updated: 27/Jan/24 06:14
• Resolved: 04/Aug/20 19:09

Description

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-javadoc-plugin:3.0.1:javadoc-no-fork (default-cli) on project hadoop-hdfs-rbf: 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.

Issue Links

• relates to: HADOOP-17091 [JDK11] Fix Javadoc errors
• links to: GitHub Pull Request #2186