huwh opened a new pull request, #22004:
URL: https://github.com/apache/flink/pull/22004

   ## What is the purpose of the change
   The error log of  executing BLOB connection failed does not shows client 
address. If there are some malicious attacks, it's hard to find the sources.  
We should log the client address.
   
   ## Brief change log
     - Log the client address when BlobConnection in error.
   
   
   ## Verifying this change
     - *Manually verified the change by send a `curl` to blob server. The 
client address will be log.*
   
   ## Does this pull request potentially affect one of the following parts:
   
     - Dependencies (does it add or upgrade a dependency): (no)
     - The public API, i.e., is any changed class annotated with 
`@Public(Evolving)`: (no)
     - The serializers: (no)
     - The runtime per-record code paths (performance sensitive): (no)
     - Anything that affects deployment or recovery: JobManager (and its 
components), Checkpointing, Kubernetes/Yarn, ZooKeeper: (no )
     - The S3 file system connector: (no)
   
   ## Documentation
   
     - Does this pull request introduce a new feature? (no)
   


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