[YARN-9279] Remove the old hamlet package

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.4.0
• Fix Version/s: 3.4.0
• Component/s: webapp
• Labels: pull-request-available
• Target Version/s: 3.4.0
• Hadoop Flags: Incompatible change, Reviewed
• Release Note: org.apache.hadoop.yarn.webapp.hamlet package was removed. Use org.apache.hadoop.yarn.webapp.hamlet2 instead.
• Assignee: Akira Ajisaka Assign to me
• Reporter: Akira Ajisaka
• Created: 04/Feb/19 02:07
• Updated: 25/Jan/24 15:55
• Resolved: 21/May/21 03:42

Description

The old hamlet package was deprecated in HADOOP-11875. Let's remove this to improve the maintenability.

Issue Links

• relates to: HADOOP-11875 [JDK9] Add a second copy of Hamlet without _ as a one-character identifier
• relates to: HADOOP-16046 [JDK 11] Correct the compiler exclusion of org/apache/hadoop/yarn/webapp/hamlet/** classes for >= Java 9
• relates to: YARN-8123 Skip compiling old hamlet package when the Java version is 10 or upper
• links to: GitHub Pull Request #2986