[HADOOP-17309] Javadoc warnings and errors are ignored in the precommit jobs

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0, 2.10.0
• Fix Version/s: 3.2.2, 3.3.1, 3.4.0, 3.1.5, 2.10.2, 3.2.3
• Component/s: build, documentation
• Labels: pull-request-available
• Target Version/s: 3.3.1, 3.4.0, 3.1.5, 2.10.2, 3.2.3
• Assignee: Akira Ajisaka
• Reporter: Akira Ajisaka
• Created: 16/Oct/20 11:43
• Updated: 30/Oct/20 09:14
• Resolved: 19/Oct/20 02:16

Description

After changing the JDK from OracleJDK to the OpenJDK packaged in Ubuntu, javadoc warnings and errors are not shown in the precommit Jenkins jobs.

In Ubuntu/Debian, doclint is not enabled by default:

• https://bugs.launchpad.net/ubuntu/+source/openjdk-8/+bug/1898116
• https://github.com/Debian/openjdk-8/blob/master/debian/patches/disable-doclint-by-default.patch

Issue Links

• is broken by: HADOOP-14816 Update Dockerfile to use Xenial
• is broken by: HADOOP-16053 Backport HADOOP-14816 to branch-2
• links to: GitHub Pull Request #2391