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https://issues.apache.org/jira/browse/HBASE-27923?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Duo Zhang updated HBASE-27923:
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Fix Version/s: 2.5.6
(was: 2.5.9)
> NettyRpcServer may hange if it should skip initial sasl handshake
> -----------------------------------------------------------------
>
> Key: HBASE-27923
> URL: https://issues.apache.org/jira/browse/HBASE-27923
> Project: HBase
> Issue Type: Bug
> Components: netty, rpc, security
> Affects Versions: 2.6.0, 3.0.0-alpha-4, 4.0.0-alpha-1
> Reporter: chenglei
> Assignee: chenglei
> Priority: Major
> Fix For: 2.6.0, 2.4.18, 2.5.6, 3.0.0-beta-1
>
>
> {{NettyRpcServer}} may hange if it should skip initial sasl handshake when
> server does not enable security and client enables security, I think this
> problem is caused by two reasons：
> * For Server:
> The type of the response is {{RpcResponse}}, but for
> {{NettyRpcServerPreambleHandler}},when it send {{RpcResponse}}
> ,{{NettyRpcServerResponseEncoder}} does not exist, so {{RpcResponse}}
> messages cannot be sent.
> * For Client
> When {{NettyHBaseSaslRpcClientHandler}} receives
> {{SaslUtil.SWITCH_TO_SIMPLE_AUTH}}, it does not remove
> {{SaslChallengeDecoder}} and {{NettyHBaseSaslRpcClientHandler}}, so the
> latter responses are considered to be incorrect.
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