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https://issues.apache.org/jira/browse/QPID-3231?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robbie Gemmell updated QPID-3231:
---------------------------------

    Affects Version/s: 0.11
        Fix Version/s:     (was: 0.11)
                       0.13

> timeout period used during synchronous 0-8/0-9 operations may begin before 
> transmission of the operation occurs
> ---------------------------------------------------------------------------------------------------------------
>
>                 Key: QPID-3231
>                 URL: https://issues.apache.org/jira/browse/QPID-3231
>             Project: Qpid
>          Issue Type: Bug
>          Components: Java Client
>    Affects Versions: 0.5, 0.6, 0.7, 0.8, 0.9, 0.10, 0.11
>            Reporter: Robbie Gemmell
>             Fix For: 0.13
>
>
> The timeout period used during synchronous 0-8/0-9 operations may begin 
> before transmission of the operation actually occurs.
> If a large amount of data is sent (asynchronously) before a synchronous 
> operation is performed (e.g session commit) then this data may still be in 
> the effectively unbounded network buffers and delay transmission of the 
> frames for the synchronous operation. However, the timer used to indicate 
> timeout of the synchronous operation begins as soon as the asynchronous send 
> operation for it returns, and so could also include time spent transmitting 
> the previous data asynchronously. This would mean that the synchronous 
> operation is timed out prematurely, and may later succeed once the command is 
> actually placed on the wire. 
> We should ensure that the send method only returns once the data is actually 
> on the wire when it used for synchronous operations with timeouts.

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