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https://issues.apache.org/jira/browse/HBASE-14230?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nick Dimiduk reopened HBASE-14230:
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Hi folks.
Running ltt vs master in standalone mode, after a couple lines of the test
getting started my RS log is flooded with
{noformat}
2015-09-18 13:18:33,719 WARN [sync.2] wal.FSHLog:
DFSOutputStream.getNumCurrentReplicas failed because of
java.lang.ClassCastException, continuing...
2015-09-18 13:18:33,720 WARN [sync.4] wal.FSHLog:
DFSOutputStream.getNumCurrentReplicas failed because of
java.lang.ClassCastException, continuing...
2015-09-18 13:18:33,720 WARN [sync.4] wal.FSHLog:
DFSOutputStream.getNumCurrentReplicas failed because of
java.lang.ClassCastException, continuing...
2015-09-18 13:18:33,720 WARN [sync.1] wal.FSHLog:
DFSOutputStream.getNumCurrentReplicas failed because of
java.lang.ClassCastException, continuing...
2015-09-18 13:18:33,720 WARN [sync.2] wal.FSHLog:
DFSOutputStream.getNumCurrentReplicas failed because of
java.lang.ClassCastException, continuing...
2015-09-18 13:18:33,721 WARN [sync.3] wal.FSHLog:
DFSOutputStream.getNumCurrentReplicas failed because of
java.lang.ClassCastException, continuing...
{noformat}
I killed it before my drive filled :)
This change looks suspicious. I grabbed a jstack too, if that's helpful. I'm
running on hadoop 2.6.0/apache via homebrew. Mind taking a look?
> replace reflection in FSHlog with
> HdfsDataOutputStream#getCurrentBlockReplication()
> -----------------------------------------------------------------------------------
>
> Key: HBASE-14230
> URL: https://issues.apache.org/jira/browse/HBASE-14230
> Project: HBase
> Issue Type: Improvement
> Components: wal
> Reporter: Heng Chen
> Assignee: Heng Chen
> Priority: Minor
> Fix For: 2.0.0, 1.2.0, 1.3.0
>
> Attachments: HBASE-14230.patch
>
>
> As comment TODO said, we use
> {{HdfsDataOutputStream#getCurrentBlockReplication}} and
> {{DFSOutputStream.getPipeLine}} to replace reflection in FSHlog
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