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Posted to issues@hbase.apache.org by "Todd Lipcon (Commented) (JIRA)" <ji...@apache.org> on 2011/10/06 01:58:29 UTC
[jira] [Commented] (HBASE-4388) Second start after migration from
90 to trunk crashes
[ https://issues.apache.org/jira/browse/HBASE-4388?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13121614#comment-13121614 ]
Todd Lipcon commented on HBASE-4388:
------------------------------------
A few small comments:
- we should have a constant like META_MIGRATION_CURRENT_VERSION which maps to the most recent - we can use this when we have completed migration
- it seems to make more sense to have the constants just be ints, and then convert the cell contents to an int where we do the comparison, rather than have the constants be byte arrays and use byte array comparison.
> Second start after migration from 90 to trunk crashes
> -----------------------------------------------------
>
> Key: HBASE-4388
> URL: https://issues.apache.org/jira/browse/HBASE-4388
> Project: HBase
> Issue Type: Bug
> Components: master, migration
> Affects Versions: 0.92.0
> Reporter: Todd Lipcon
> Assignee: stack
> Priority: Blocker
> Fix For: 0.92.0
>
> Attachments: 4388-v2.txt, 4388-v3.txt, 4388.txt, meta.tgz
>
>
> I started a trunk cluster to upgrade from 90, inserted a ton of data, then did a clean shutdown. When I started again, I got the following exception:
> 11/09/13 12:29:09 INFO master.HMaster: Meta has HRI with HTDs. Updating meta now.
> 11/09/13 12:29:09 FATAL master.HMaster: Unhandled exception. Starting shutdown.
> java.lang.NegativeArraySizeException: -102
> at org.apache.hadoop.hbase.util.Bytes.readByteArray(Bytes.java:147)
> at org.apache.hadoop.hbase.HTableDescriptor.readFields(HTableDescriptor.java:606)
> at org.apache.hadoop.hbase.migration.HRegionInfo090x.readFields(HRegionInfo090x.java:641)
> at org.apache.hadoop.hbase.util.Writables.getWritable(Writables.java:133)
> at org.apache.hadoop.hbase.util.Writables.getWritable(Writables.java:103)
> at org.apache.hadoop.hbase.util.Writables.getHRegionInfoForMigration(Writables.java:228)
> at org.apache.hadoop.hbase.catalog.MetaEditor.getHRegionInfoForMigration(MetaEditor.java:350)
> at org.apache.hadoop.hbase.catalog.MetaEditor$1.visit(MetaEditor.java:273)
> at org.apache.hadoop.hbase.catalog.MetaReader.fullScan(MetaReader.java:633)
> at org.apache.hadoop.hbase.catalog.MetaReader.fullScan(MetaReader.java:255)
> at org.apache.hadoop.hbase.catalog.MetaReader.fullScan(MetaReader.java:235)
> at org.apache.hadoop.hbase.catalog.MetaEditor.updateMetaWithNewRegionInfo(MetaEditor.java:284)
> at org.apache.hadoop.hbase.catalog.MetaEditor.migrateRootAndMeta(MetaEditor.java:298)
> at org.apache.hadoop.hbase.master.HMaster.updateMetaWithNewHRI(HMaster.java:529)
> at org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:472)
> at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:309)
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