Fabio Coutinho created NIFI-4916:
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             Summary: Flowfiles created by ConvertExcelToCSVProcessor do not 
inherit attributes
                 Key: NIFI-4916
                 URL: https://issues.apache.org/jira/browse/NIFI-4916
             Project: Apache NiFi
          Issue Type: Bug
          Components: Core Framework
    Affects Versions: 1.5.0
         Environment: NiFi 1.5.0
            Reporter: Fabio Coutinho
         Attachments: ProvenanceCsvFlowFile.png, ProvenanceXlsFlowFile.png

When converting a flowfile containing an XLS file to CSV, the newly generated 
flowfiles do not inherit the attributes from the original one.

Without the original flowfile's attributes, important information retrieved 
before conversion (for example, file metadata) cannot be used after the file is 
converted. I have attached 2 image files showing the attributes before and 
after conversion. Please note that the input file has a lot of metadata 
retrieved from Amazon S3 that does not exist on the new flowfile.

It is my believe that like most other NiFi processors, the original attributes 
should be copied to new flowfiles.



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