[jira] [Assigned] (HBASE-27923) NettyRpcServer may hange if it should skip initial sasl handshake

["chenglei (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-27923?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

chenglei reassigned HBASE-27923:
--------------------------------

    Assignee: chenglei

> 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
>
> {{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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