[HADOOP-15133] [JDK9] Ignore com.sun.javadoc.* and com.sun.tools.* in animal-sniffer-maven-plugin to compile with Java 9

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.1.0, 2.10.2
• Labels: pull-request-available
• Target Version/s: 3.1.0
• Hadoop Flags: Reviewed
• Assignee: Akira Ajisaka
• Reporter: Akira Ajisaka
• Created: 20/Dec/17 06:50
• Updated: 18/Apr/22 05:32
• Resolved: 21/Dec/17 02:59

Description

com.sun.javadoc and com.sun.tools are internal APIs and are not included in java18 profile, so signature check fails with JDK9.

$ mvn clean install -DskipTests -DskipShade
(snip)
[INFO] --- animal-sniffer-maven-plugin:1.16:check (signature-check) @ hadoop-annotations ---
[INFO] Checking unresolved references to org.codehaus.mojo.signature:java18:1.0
[ERROR] /Users/ajisaka/git/hadoop/hadoop-common-project/hadoop-annotations/src/main/java/org/apache/hadoop/classification/tools/RootDocProcessor.java:56: Undefined reference: com.sun.javadoc.RootDoc
(snip)

Issue Links

• relates to: HADOOP-14986 Enforce JDK limitations
• relates to: HADOOP-18203 Backport HADOOP-15033 to branch-2.10
• links to: GitHub Pull Request #4173