[HDFS-15100] RBF: Print stacktrace when DFSRouter fails to fetch/parse JMX output from NameNode

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.3.0
• Component/s: rbf
• Labels: supportability
• Target Version/s: 3.3.0
• Assignee: Akira Ajisaka
• Reporter: Akira Ajisaka
• Created: 08/Jan/20 08:11
• Updated: 10/Jan/20 04:31
• Resolved: 10/Jan/20 04:18

Description

When DFSRouter fails to fetch or parse JMX output from NameNode, it prints only the error message. Therefore we had to modify the source code to print the stacktrace of the exception to find the root cause.

Issue Links

• links to: GitHub Pull Request #1800