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https://issues.apache.org/jira/browse/QPID-4419?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robbie Gemmell resolved QPID-4419.
----------------------------------
Resolution: Fixed
Resolving, 0.20 is now baked.
> [Java Broker] incorrect handling of missing sasl mechanism during 0-10
> connection establishment
> -----------------------------------------------------------------------------------------------
>
> Key: QPID-4419
> URL: https://issues.apache.org/jira/browse/QPID-4419
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: 0.18
> Reporter: Robbie Gemmell
> Assignee: Rob Godfrey
> Fix For: 0.19
>
>
> A user recently asked for assistance (see mail thread:
> http://mail-archives.apache.org/mod_mbox/qpid-users/201210.mbox/%3C1351193413.33603.YahooMailNeo%40web161402.mail.bf1.yahoo.com%3E)
> in getting C++ clients working properly with the Java broker, and Java
> clients working properly with the C++ broker. In the discussion it seemed to
> become clear that the issue related to the (lack of) installed cyrus-sasl
> pacakges affecting the supported sasl mechanisms for the C++ client and
> broker.
> In the case of C++ client -> Java broker this resulted in attempt to initiate
> a connection without specifying any Sasl mechanism. Instead of handling this
> by killing the connection with a clear reason, the broker was instead
> incorrectly sending a ConnectionTune reply and then subsequently killing the
> connection (apparently silently and without clear reason) as a side effect of
> a NullPointerException resulting from the previous lack of Sasl mechanism.
> The broker handling of the missing Sasl mechanism should be improved such
> that the it doesnt incorrectly send the ConnectionTune and instead kills the
> connection immediately for the explicit reason that no mechnanism was
> specified.
> The C++ client behaviour that leads to this situation will be addessed via
> QPID-4407
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