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From "Enoch Hsu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-12437) HLogFactory should load default WAL reader if custom user WAL reader fails instead of throwing InvalidProtocolBufferReaderException
Date Thu, 06 Nov 2014 22:37:34 GMT

     [ https://issues.apache.org/jira/browse/HBASE-12437?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Enoch Hsu updated HBASE-12437:
------------------------------
    Status: Open  (was: Patch Available)

> HLogFactory should load default WAL reader if custom user WAL reader fails instead of
throwing InvalidProtocolBufferReaderException
> -----------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-12437
>                 URL: https://issues.apache.org/jira/browse/HBASE-12437
>             Project: HBase
>          Issue Type: Bug
>          Components: wal
>    Affects Versions: 0.98.4, 0.96.0
>            Reporter: Enoch Hsu
>            Assignee: Enoch Hsu
>             Fix For: 1.0.0, 0.98.4
>
>         Attachments: HBASE_12437.patch
>
>
> The HLogFactory createReader function allows the user to create their own reader and
just assumes that the reader will work correctly.
> In the case the user accidentally uses an incorrect reader and gets an InvalidProtocolBufferReaderException,
HBase should have a safeguard to still allow HBase functions to execute.
> I propose that in this case HBase should default to the standard HBase readers.(ProtobufLogReader
or  SequenceFIleLogReader)



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