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Posted to issues@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2013/08/23 21:49:52 UTC
[jira] [Updated] (HBASE-9278) Reading Pre-namespace meta table
edits kills the reader
[ https://issues.apache.org/jira/browse/HBASE-9278?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
stack updated HBASE-9278:
-------------------------
Fix Version/s: (was: 0.95.3)
0.96.0
0.98.0
> Reading Pre-namespace meta table edits kills the reader
> -------------------------------------------------------
>
> Key: HBASE-9278
> URL: https://issues.apache.org/jira/browse/HBASE-9278
> Project: HBase
> Issue Type: Bug
> Components: migration, wal
> Affects Versions: 0.95.2
> Reporter: Himanshu Vashishtha
> Assignee: Himanshu Vashishtha
> Priority: Critical
> Fix For: 0.98.0, 0.96.0
>
>
> In upgrading to 0.96, there might be some meta/root table edits. Currently, we are just killing SplitLogWorker thread in case it sees any META, or ROOT waledit, which blocks log splitting/replaying of remaining WALs.
> {code}
> 2013-08-20 15:45:16,998 ERROR regionserver.SplitLogWorker (SplitLogWorker.java:run(210)) - unexpected error
> java.lang.IllegalArgumentException: .META. no longer exists. The table has been renamed to hbase:meta
> at org.apache.hadoop.hbase.TableName.valueOf(TableName.java:269)
> at org.apache.hadoop.hbase.TableName.valueOf(TableName.java:261)
> at org.apache.hadoop.hbase.regionserver.wal.HLogKey.readFields(HLogKey.java:338)
> at org.apache.hadoop.io.SequenceFile$Reader.next(SequenceFile.java:1898)
> at org.apache.hadoop.io.SequenceFile$Reader.next(SequenceFile.java:1938)
> at org.apache.hadoop.hbase.regionserver.wal.SequenceFileLogReader.readNext(SequenceFileLogReader.java:215)
> at org.apache.hadoop.hbase.regionserver.wal.ReaderBase.next(ReaderBase.java:98)
> at org.apache.hadoop.hbase.regionserver.wal.ReaderBase.next(ReaderBase.java:85)
> at org.apache.hadoop.hbase.regionserver.wal.HLogSplitter.getNextLogLine(HLogSplitter.java:582)
> at org.apache.hadoop.hbase.regionserver.wal.HLogSplitter.splitLogFile(HLogSplitter.java:292)
> at org.apache.hadoop.hbase.regionserver.wal.HLogSplitter.splitLogFile(HLogSplitter.java:209)
> at org.apache.hadoop.hbase.regionserver.SplitLogWorker$1.exec(SplitLogWorker.java:138)
> at org.apache.hadoop.hbase.regionserver.SplitLogWorker.grabTask(SplitLogWorker.java:358)
> at org.apache.hadoop.hbase.regionserver.SplitLogWorker.taskLoop(SplitLogWorker.java:245)
> at org.apache.hadoop.hbase.regionserver.SplitLogWorker.run(SplitLogWorker.java:205)
> at java.lang.Thread.run(Thread.java:662)
> 2013-08-20 15:45:16,999 INFO regionserver.SplitLogWorker (SplitLogWorker.java:run(212)) - SplitLogWorker localhost,60020,1377035111898 exiting
> {code}
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