[HDFS-16498] Fix NPE for checkBlockReportLease

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.4.0
• Fix Version/s: 3.4.0
• Component/s: datanode, namanode
• Labels: pull-request-available
• Target Version/s: 3.4.0
• Hadoop Flags: Reviewed
• Assignee: Tao Li
• Reporter: Tao Li
• Created: 09/Mar/22 12:33
• Updated: 11/Feb/24 23:39
• Resolved: 30/Mar/22 06:58

Description

During the restart of Namenode, a Datanode is not registered, but this Datanode triggers FBR, which causes NPE.

Issue Links

• links to: GitHub Pull Request #4057