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https://issues.apache.org/jira/browse/ARROW-14066?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17418777#comment-17418777
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Weston Pace commented on ARROW-14066:
-------------------------------------
I think the footer should be written out when the parquet::ParquetFileWriter
(owned by parquet::StreamWriter) is closed. I don't see an explicit
parquet::StreamWriter::Close but the destructor of parquet::ParquetFileWriter
will call close.
So, did you make sure to delete your parquet::StreamWriter instance before you
tried to read the file?
> [C++] Possible issue with cpp StreamWriter
> ------------------------------------------
>
> Key: ARROW-14066
> URL: https://issues.apache.org/jira/browse/ARROW-14066
> Project: Apache Arrow
> Issue Type: Bug
> Components: C++
> Reporter: Shashank Yadav
> Priority: Major
> Attachments: temp.cpp
>
>
> I am using the cpp streamwriter example given here:
> [https://github.com/apache/arrow/blob/master/cpp/examples/parquet/parquet_stream_api/stream_reader_writer.cc]
>
> When I try to read the parquet file back in python it says: Could not open
> parquet input source '<Buffer>': Invalid: Parquet magic bytes not found in
> footer. Either the file is corrupted or this is not a parquet file
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