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https://issues.apache.org/jira/browse/FLUME-935?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13208479#comment-13208479
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Peter Newcomb commented on FLUME-935:
-------------------------------------

I dunno, and am not able to repro myself (I haven't tried all that hard yet.)  
However, the prior build in Jenkins seems to have the same problem: 
https://builds.apache.org/job/flume-728/108/  [BTW, builds.apache.org is 
working fine for me, at least ATM.]

There could be a problem with this patch, but according to the report at the 
above URL, I don't think we can know for sure until the problem apparently 
introduced by either FLUME-960, FLUME-964, or a combination of the two is 
resolved.

-peter
                
> Create abstract implementations of basic channel/transaction semantics
> ----------------------------------------------------------------------
>
>                 Key: FLUME-935
>                 URL: https://issues.apache.org/jira/browse/FLUME-935
>             Project: Flume
>          Issue Type: Improvement
>          Components: Channel
>    Affects Versions: v1.0.0
>            Reporter: Peter Newcomb
>            Assignee: Peter Newcomb
>            Priority: Minor
>             Fix For: v1.1.0
>
>         Attachments: flume-935-5.patch
>
>
> Correctly executing or checking the state transitions for channels and 
> transactions is nontrivial.  It would be helpful to have a correct 
> implementation of each that can be used either directly or as a reference 
> when creating new channels or clients of channels.
> Specifically, on the client side it would be nice to package the try { 
> begin() ... commit() } catch { rollback() } finally { close() } code, with 
> all the appropriate exception propagation and logging code, so that it need 
> not be repeated constantly.
> On the channel side, it'd be nice to have a packaged implementation of the 
> implied ThreadLocal semantics of the Transaction class, along with 
> Preconditions checking to make sure that clients follow the try { begin() ... 
> commit() } catch { rollback() } finally { close() } pattern.

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