ZhenyuLi created HDFS-17967:
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Summary: Handle InvalidEncryptionKeyException in data-transfer
connection setup paths
Key: HDFS-17967
URL: https://issues.apache.org/jira/browse/HDFS-17967
Project: Hadoop HDFS
Issue Type: Bug
Components: datanode
Affects Versions: 3.4.3
Reporter: ZhenyuLi
HDFS-17897 and HDFS-17899 added handling for
InvalidEncryptionKeyException in several HDFS data-transfer connection paths.
However, the following paths still do not retry when the cached data
encryption
key is rejected during the SASL handshake:
* DataXceiver writeBlock mirror pipeline connection
* DataXceiver replaceBlock proxy copy connection
* Erasure coding StripedBlockWriter target connection
In these paths, InvalidEncryptionKeyException is raised during the SASL
data-transfer handshake, before the downstream writeBlock or copyBlock request
is sent. Therefore, retrying the connection once is safe because no
data-transfer operation has been issued yet.
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