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https://issues.apache.org/jira/browse/HBASE-27204?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17571067#comment-17571067
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Hudson commented on HBASE-27204:
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Results for branch master
[build #641 on
builds.a.o|https://ci-hbase.apache.org/job/HBase%20Nightly/job/master/641/]:
(/) *{color:green}+1 overall{color}*
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details (if available):
(/) {color:green}+1 general checks{color}
-- For more information [see general
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/master/641/General_20Nightly_20Build_20Report/]
(/) {color:green}+1 jdk8 hadoop3 checks{color}
-- For more information [see jdk8 (hadoop3)
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/master/641/JDK8_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(/) {color:green}+1 jdk11 hadoop3 checks{color}
-- For more information [see jdk11
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/master/641/JDK11_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(/) {color:green}+1 source release artifact{color}
-- See build output for details.
(/) {color:green}+1 client integration test{color}
> BlockingRpcClient will hang for 20 seconds when SASL is enabled after
> finishing negotiation
> -------------------------------------------------------------------------------------------
>
> Key: HBASE-27204
> URL: https://issues.apache.org/jira/browse/HBASE-27204
> Project: HBase
> Issue Type: Bug
> Components: rpc, sasl, security
> Reporter: Duo Zhang
> Assignee: Andrew Kyle Purtell
> Priority: Critical
> Fix For: 2.5.0, 3.0.0-alpha-4, 2.4.14
>
>
> Found this when implementing HBASE-27185. When running TestSecureIPC, if
> BlockingRpcClient is used, the tests will spend much more time comparing to
> NettyRpcClient.
> The problem is that, for the normal kerberos authentication, the last step is
> client send a reply to server, so after server receives the last token, it
> will not write anything back but expect client to send connection header.
> In HBASE-24579, for reading the error message, we added a readReply after the
> SaslClient indicates that the negotiation is completed. But as said above,
> for normal cases, we will not write anything back from server side, so the
> client will hang there and only throw an exception when timeout is reached,
> which is 20 seconds.
> This nearly makes the BlockingRpcClient unusable when sasl is enabled, as it
> will hang 20 seconds when connecting...
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