CAMEL-5950 fixed the issue that Cache producer is not thread safe
Merged revisions 1431900,1431904 via svnmerge from 
https://svn.apache.org/repos/asf/camel/branches/camel-2.10.x

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  r1431900 | ningjiang | 2013-01-11 13:45:26 +0800 (Fri, 11 Jan 2013) | 10 lines
  
  CAMEL-5950 fixed the issue that Cache producer is not thread safe
  Merged revisions 1431891 via svnmerge from 
  https://svn.apache.org/repos/asf/camel/trunk
  
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    r1431891 | ningjiang | 2013-01-11 13:14:31 +0800 (Fri, 11 Jan 2013) | 1 line
    
    CAMEL-5950 fixed the issue that Cache producer is not thread safe
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  r1431904 | ningjiang | 2013-01-11 13:51:50 +0800 (Fri, 11 Jan 2013) | 10 lines
  
  CAMEL-5950 removed the System.out.println
  Merged revisions 1431902 via svnmerge from 
  https://svn.apache.org/repos/asf/camel/trunk
  
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    r1431902 | ningjiang | 2013-01-11 13:48:19 +0800 (Fri, 11 Jan 2013) | 1 line
    
    CAMEL-5950 removed the System.out.println
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git-svn-id: https://svn.apache.org/repos/asf/camel/branches/camel-2.9.x@1431905 13f79535-47bb-0310-9956-ffa450edef68