A six years ago I filed a patch HADOOP-6221 , RPC Client operations cannot be interrupted
https://issues.apache.org/jira/browse/HADOOP-6221 The latest patch is in sync with trunk. Could someone take a look? -Steve -- CONFIDENTIALITY NOTICE NOTICE: This message is intended for the use of the individual or entity to which it is addressed and may contain information that is confidential, privileged and exempt from disclosure under applicable law. If the reader of this message is not the intended recipient, you are hereby notified that any printing, copying, dissemination, distribution, disclosure or forwarding of this communication is strictly prohibited. If you have received this communication in error, please contact the sender immediately and delete it from your system. Thank You.