RPC responses may be out-of-order with respect to SASL
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Key: HADOOP-6572
URL: https://issues.apache.org/jira/browse/HADOOP-6572
Project: Hadoop Common
Issue Type: Bug
Components: ipc, security
Reporter: Kan Zhang
Assignee: Kan Zhang
SASL enforces its own message ordering. When RPC server sends its responses
back, response A may be wrapped by SASL before response B but is put on
response queue after response B. This results in RPC client receiving wrapped
response B ahead of A. When the received messages are unwrapped by SASL, SASL
complaints the messages are out of order.
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