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From "Kuba Skopal (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (ZOOKEEPER-1764) ZooKeeper attempts at SASL eventhough it shouldn't
Date Wed, 25 Sep 2013 17:06:05 GMT

     [ https://issues.apache.org/jira/browse/ZOOKEEPER-1764?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kuba Skopal resolved ZOOKEEPER-1764.
------------------------------------

       Resolution: Implemented
    Fix Version/s: 3.4.6
     Release Note: Solved by ZOOKEEPER-1657
    
> ZooKeeper attempts at SASL eventhough it shouldn't
> --------------------------------------------------
>
>                 Key: ZOOKEEPER-1764
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1764
>             Project: ZooKeeper
>          Issue Type: Bug
>          Components: java client
>    Affects Versions: 3.4.4
>            Reporter: Kuba Skopal
>             Fix For: 3.4.6
>
>
> We are using a proprietary SASL solution, but we don't want to use it with ZooKeeper.
Unfortunately it seems, that there is no way to disable SASL for ZooKeeper as the code only
checks for presence of "java.security.auth.login.config" system property to determine whether
SASL should be used or not.
> For us it means, that ZooKeeper client just shuts down after SASL is initialized. What
happens:
> 1) System.getProperty("java.security.auth.login.config") is initially null
> 2) ZooKeeper is initialized and used
> 3) Our JAAS/SASL component is initialized
> 4) System.getProperty("java.security.auth.login.config") is not null anymore
> 5) ZooKeeperSaslClient.clientTunneledAuthenticationInProgress() suddenly picks up the
new property and starts returning true
> 6) ClientCnxnSocketNIO.findSendablePacket() suddenly stops returning any packets since
clientTunneledAuthenticationInProgress is always true
> The communication is halted and eventually times out.

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