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https://issues.apache.org/jira/browse/CRUNCH-475?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14170421#comment-14170421
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Micah Whitacre commented on CRUNCH-475:
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{quote}
However, dislike to KeyValue, there is no concrete state to be serialized /
deserialized. I don't know how to replace HBaseTypes#bytesToKeyValue and
HBaseTypes#keyValueToBytes.
May I assume that the Cell object in WritableType<Cell> is actually KeyValue
object?
{quote}
In the patch I found that I had to revert Cell back to using the KeyValue
Writable methods for serialization because that type is used for reading
payloads out of an HFile. Using the ProtobufUtil/ClientProtos.Cell classes
will probably be what we use for serialization in later versions of HBase but
we'd need the HFile format to change before we could make that change.
> Compilation problem caused by KeyValue -> Cell conversion
> ---------------------------------------------------------
>
> Key: CRUNCH-475
> URL: https://issues.apache.org/jira/browse/CRUNCH-475
> Project: Crunch
> Issue Type: Bug
> Components: Core
> Affects Versions: 0.12.0
> Reporter: Lee Dongjin
> Assignee: Josh Wills
> Priority: Minor
> Attachments: CRUNCH-475.patch
>
>
> From hbase 0.99, Using KeyValue class for hbase I/O is deprecated and in many
> APIs it was replaced with Cell interface[^1][^2][^3]. This change causes
> compilation error with hbase 0.99, which is the first hbase version that
> supports hadoop 2 only.
> For this change will be permanent from hbase 1.0 and on, it would be better
> to be fixed.
> [^1]: https://issues.apache.org/jira/browse/HBASE-11805
> [^2]: https://issues.apache.org/jira/browse/HBASE-9359
> [^3]: https://issues.apache.org/jira/browse/HBASE-10526
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