[jira] [Closed] (QPID-7905) [Java Client AMQP 0-x] Connection#start is not thread-safe

["Keith Wall (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/QPID-7905?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Keith Wall closed QPID-7905.
----------------------------
    Resolution: Won't Fix

Marking Won't Fix.  Use newer Qpid JMS Client (AMQ1.0) https://qpid.apache.org/components/jms/index.html

> [Java Client AMQP 0-x] Connection#start is not thread-safe
> ----------------------------------------------------------
>
>                 Key: QPID-7905
>                 URL: https://issues.apache.org/jira/browse/QPID-7905
>             Project: Qpid
>          Issue Type: Bug
>          Components: Java Client
>            Reporter: Lorenz Quack
>
> The JMS spec says that Connections may be used from several threads concurrently.
> However, our implementation of {{Connection#start}} is currently not thread-safe. It iterates over its list of sessions and calls {{Session#start}}. The session rightfully (this is specified in the JMS spec as well) assumes that it is being called from a single thread.
> An example of the impact of this is that a session can be used (by {{Connection#start}}) after it has been closed (via {{Session#close}}) leading to an Exception due to the broker receiving a frame with an unknown {{channelId}}.
> Note: The comment on {{Connection#start}} stating that JMS allows for non thread-safe implementations seems to be in error!



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