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Posted to issues@hbase.apache.org by "Enoch Hsu (JIRA)" <ji...@apache.org> on 2014/11/07 00:35:35 UTC
[jira] [Updated] (HBASE-12437) HLogFactory should allow multiple
custom WAL readers to be specified in case WAL reader fails instead of
throwing InvalidProtocolBufferReaderException
[ https://issues.apache.org/jira/browse/HBASE-12437?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Enoch Hsu updated HBASE-12437:
------------------------------
Summary: HLogFactory should allow multiple custom WAL readers to be specified in case WAL reader fails instead of throwing InvalidProtocolBufferReaderException (was: HLogFactory should load default WAL reader if custom user WAL reader fails instead of throwing InvalidProtocolBufferReaderException)
> HLogFactory should allow multiple custom WAL readers to be specified in case 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: 0.96.0, 0.98.4
> 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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