[HDFS-16501] Print the exception when reporting a bad block

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.4.0, 3.2.4, 3.3.3
• Component/s: datanode
• Labels: pull-request-available
• Target Version/s: 3.3.3
• Assignee: qinyuren
• Reporter: qinyuren
• Created: 10/Mar/22 11:33
• Updated: 19/Apr/22 09:56
• Resolved: 19/Apr/22 09:56

Description

Currently, volumeScanner will find bad block and report it to namenode without printing the reason why the block is a bad block. I think we should be better print the exception in log file.

Issue Links

• is depended upon by: HADOOP-18198 Release Hadoop 3.3.3: hadoop-3.3.2 with some fixes
• links to: GitHub Pull Request #4062