[HDFS-11645] DataXceiver thread should log the actual error when getting InvalidMagicNumberException

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.0.0-alpha1, 2.8.1
• Fix Version/s: 3.0.0-alpha4
• Component/s: datanode
• Target Version/s: 3.0.0-alpha4
• Hadoop Flags: Reviewed
• Assignee: Chen Liang
• Reporter: Chen Liang
• Created: 11/Apr/17 23:44
• Updated: 17/Apr/17 15:44
• Resolved: 12/Apr/17 18:52

Description

Currently, DataXceiver#run method only logs an error message when getting an InvalidMagicNumberException. It should also log the actual exception.