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https://issues.apache.org/jira/browse/ORC-1357?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17678191#comment-17678191
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Huw commented on ORC-1357:
--------------------------
Ok
> Java doesn't handle missing compressionBlockSize while C++ does.
> ----------------------------------------------------------------
>
> Key: ORC-1357
> URL: https://issues.apache.org/jira/browse/ORC-1357
> Project: ORC
> Issue Type: Bug
> Components: compression
> Reporter: Huw
> Priority: Minor
>
> Reader.cc (lines 59-65) handles when the writer doesn't set
> compressionBlockSize in the postscript by checking if it's set and using 256
> * 1024 if it's not.
> The ReaderImpl.java does no such checks (lines 744 and 826), and uses the
> protobuffer "empty" value of 0 when the value is not specified.
> This means that valid files (compressionBlockSize is optional after all)
> can't be read by the Java implementation, but can be by the C++
> implementation.
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