Changes to JobHistory makes it backward incompatible
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                 Key: HADOOP-4190
                 URL: https://issues.apache.org/jira/browse/HADOOP-4190
             Project: Hadoop Core
          Issue Type: Bug
          Components: mapred
            Reporter: Amar Kamat


With HADOOP-3245, the job history format has changed. Every log line now ends 
with a '.' (dot). JobHistory's parser will consider a history line valid only 
if it ends in a dot
Hence the new parser wont be able to parse old history files.

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