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From "gilles huron (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CAMEL-5704) Split inside Split - Parallel processing issue - Thread is getting wrong Exchange when leaving inner split
Date Sun, 14 Oct 2012 19:13:02 GMT

     [ https://issues.apache.org/jira/browse/CAMEL-5704?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

gilles huron updated CAMEL-5704:
--------------------------------

    Attachment: FileSplitInSplitTest.java
    
> Split inside Split - Parallel processing issue - Thread is getting wrong Exchange when
leaving inner split 
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: CAMEL-5704
>                 URL: https://issues.apache.org/jira/browse/CAMEL-5704
>             Project: Camel
>          Issue Type: Bug
>          Components: camel-core
>    Affects Versions: 2.9.3
>         Environment: java version "1.6.0_35"
> Java(TM) SE Runtime Environment (build 1.6.0_35-b10-428-11M3811)
> Java HotSpot(TM) 64-Bit Server VM (build 20.10-b01-428, mixed mode)
> MacOsX 10.7.5
> URL: https://svn.apache.org/repos/asf/camel/branches/camel-2.9.x
> Repository Root: https://svn.apache.org/repos/asf
> Repository UUID: 13f79535-47bb-0310-9956-ffa450edef68
> Revision: 1396229
> Node Kind: directory
> Schedule: normal
> Last Changed Author: dkulp
> Last Changed Rev: 1396218
> Last Changed Date: 2012-10-09 21:36:47 +0200 (Tue, 09 Oct 2012)
>            Reporter: gilles huron
>         Attachments: FileSplitInSplitTest.java
>
>
> A small JUnit recreation case is attached.
> When using embedded split inside a split with parallel processing, threads are getting
a wrong exchange (or wrong exchange copy) just after leaving the inner split and returning
to the parent split.
> In the test case, we split a file by comma in a parent split (Block split), then by line
separator in inner split (Line Split). 
> We expect 2 files in output, each of them containing the respective Blocks.
> However, once inner split is complete, each thread is supposed to add a 11th line in
the result(i).txt file saying split(i) is complete.  
> Bug is that one of the thread ends up with parent split Exchange (copy?) from the other
thread, and appends wrong information into the wrong file.
> Expected:
> ---------
> (result0.txt)
> Block1 Line 1:Status=OK
> Block1 Line 2:Status=OK
> Block1 Line 0:Status=OK
> Block1 Line 4:Status=OK
> Block1 Line 3:Status=OK
> Block1 Line 8:Status=OK
> Block1 Line 5:Status=OK
> Block1 Line 6:Status=OK
> Block1 Line 7:Status=OK
> Block1 Line 9:Status=OK
> 0 complete
> (result1.txt)
> Block2 Line 0:Status=OK
> Block2 Line 3:Status=OK
> Block2 Line 1:Status=OK
> Block2 Line 2:Status=OK
> Block2 Line 6:Status=OK
> Block2 Line 4:Status=OK
> Block2 Line 7:Status=OK
> Block2 Line 9:Status=OK
> Block2 Line 5:Status=OK
> Block2 Line 8:Status=OK
> 1 complete
> Actual:
> -------
> (result0.txt)
> Block1 Line 1:Status=OK
> Block1 Line 2:Status=OK
> Block1 Line 0:Status=OK
> Block1 Line 4:Status=OK
> Block1 Line 3:Status=OK
> Block1 Line 8:Status=OK
> Block1 Line 5:Status=OK
> Block1 Line 6:Status=OK
> Block1 Line 7:Status=OK
> Block1 Line 9:Status=OK
> 0 complete0 complete
> (result1.txt)
> Block2 Line 0:Status=OK
> Block2 Line 3:Status=OK
> Block2 Line 1:Status=OK
> Block2 Line 2:Status=OK
> Block2 Line 6:Status=OK
> Block2 Line 4:Status=OK
> Block2 Line 7:Status=OK
> Block2 Line 9:Status=OK
> Block2 Line 5:Status=OK
> Block2 Line 8:Status=OK
> This issue exist in 2.8.x, and probably in 2.10.x as well.
> This is a Splitter/MulticastProcessor or Pipeline issue but not quite familiar with the
code, I am having hard time tracking it. 

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