[HADOOP-12516] jdiff fails with error 'duplicate comment id' about MetricsSystem.register_changed

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Assignee: Unassigned Assign to me
• Reporter: Tsuyoshi Ozawa
• Created: 27/Oct/15 02:04
• Updated: 24/Aug/16 20:44
• Resolved: 24/Aug/16 20:40

Description

"mvn package -Pdist,docs -DskipTests" fails with following error. It looks like jdiff problem as Li Lu mentioned on HADOOP-11776.

[javadoc] ExcludePrivateAnnotationsJDiffDoclet
[javadoc] JDiff: doclet started ...
[javadoc] JDiff: reading the old API in from file '/home/ubuntu/hadoop-dev/hadoop-common-project/hadoop-common/dev-support/jdiff/Apache_Hadoop_Common_2.6.0.xml'...Warning: API identifier in the XML file (hadoop-core 2.6.0) differs from the name of the file 'Apache_Hadoop_Common_2.6.0.xml'

.......

[javadoc] JDiff: reading the new API in from file '/home/ubuntu/hadoop-dev/hadoop-common-project/hadoop-common/target/site/jdiff/xml/Apache_Hadoop_Common_2.8.0-SNAPSHOT.xml'...Warning: incorrectly formatted @link in text: Options to be used by the {@link Find} command and its {@link Expression}s.

........

[javadoc] Error: duplicate comment id: org.apache.hadoop.metrics2.MetricsSystem.register_changed(java.lang.String, java.lang.String, T)

A link to the comment by Li lu is here.

Issue Links

• is duplicated by: HADOOP-13428 Fix hadoop-common to generate jdiff