[HDFS-15939] Solve the problem that DataXceiverServer#run() does not record SocketTimeout exception

• Type: Improvement
• Status: In Progress
• Priority: Minor
• Resolution: Unresolved
• Component/s: datanode
• Labels: pull-request-available
• Assignee: JiangHua Zhu
• Reporter: JiangHua Zhu
• Created: 31/Mar/21 02:54
• Updated: 18/Aug/21 16:35

Description

In DataXceiverServer#run(), if a SocketTimeout exception occurs, no information will be recorded here.
try

{ ...... }

catch (SocketTimeoutException ignored)

{ // wake up to see if should continue to run }

No records are generated here, which is not conducive to troubleshooting.
We should add some warning type logs.

Issue Links

• links to: GitHub Pull Request #2841