[HADOOP-16834] Replace com.sun.istack.Nullable with javax.annotation.Nullable in DNS.java

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 3.3.0
• Component/s: build
• Labels: newbie
• Hadoop Flags: Reviewed
• Assignee: Xieming Li
• Reporter: Akira Ajisaka
• Created: 31/Jan/20 03:12
• Updated: 07/Feb/20 15:22
• Resolved: 07/Feb/20 15:22

Description

com.sun.istack.Nullable is used in only DNS.java and javax.annotation.Nullable is widely used.