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Posted to dev@avro.apache.org by "Manuel Godbert (JIRA)" <ji...@apache.org> on 2014/06/20 17:17:26 UTC

[jira] [Created] (AVRO-1529) ConcatTool issue with empty files

Manuel Godbert created AVRO-1529:
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             Summary: ConcatTool issue with empty files
                 Key: AVRO-1529
                 URL: https://issues.apache.org/jira/browse/AVRO-1529
             Project: Avro
          Issue Type: Bug
          Components: java
    Affects Versions: 1.7.6
            Reporter: Manuel Godbert


I am using the ConcatTool to merge 2 avro files. The first one is empty, the second one has records. The merged file is seen as empty when I am opening it.

My investigations showed the cause is that DataFileWriter.appendAllFrom(...) copies blocks from source to target even if they are empty, and DataFileReader.hasNext() returns false if the first block of an avro file is empty.



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