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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Deleted: (HADOOP-2307) [hbase] null regioninfo breaks meta scanner
Date Thu, 29 Nov 2007 17:56:45 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-2307?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack deleted HADOOP-2307:
--------------------------


> [hbase] null regioninfo breaks meta scanner
> -------------------------------------------
>
>                 Key: HADOOP-2307
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2307
>             Project: Hadoop
>          Issue Type: Bug
>            Reporter: stack
>            Priority: Minor
>
> From pauls master log last night:
> {code}
> ...
> 2007-11-28 23:37:46,927 DEBUG hbase.HMaster - HMaster.metaScanner scanner: -915674454874775062
regioninfo: {regionname: postlog,img223/8154/img002qk3.jpg,1196321112639, startKey: <img223/8154/img002qk3.jpg>,
tableDesc: {name: postlog, families: {cookie:={name: cookie, max versions: 1, compression:
NONE, in memory: false, max length: 2147483647, bloom filter: none}, ip:={name: ip, max versions:
1, compression: NONE, in memory: false, max length: 2147483647, bloom filter: none}}}}, server:
38.99.76.16:60020, startCode: 1196311487014                                              
                                                 2007-11-28 23:37:46,927 DEBUG hbase.HMaster
- Checking postlog,img223/8154/img002qk3.jpg,1196321112639 is assigned
> 2007-11-28 23:37:46,928 DEBUG hbase.HMaster - HMaster.metaScanner scanner: -915674454874775062
regioninfo: {regionname: postlog,img225/2462/babyyua1.jpg,1196315340001, startKey: <img225/2462/babyyua1.jpg>,
tableDesc: {name: postlog, families: {cookie:={name: cookie, max versions: 1, compression:
NONE, in memory: false, max length: 2147483647, bloom filter: none}, ip:={name: ip, max versions:
1, compression: NONE, in memory: false, max length: 2147483647, bloom filter: none}}}}, server:
38.99.76.101:60020, startCode: 1196311489607                                             
                                                   2007-11-28 23:37:46,929 DEBUG hbase.HMaster
- Checking postlog,img225/2462/babyyua1.jpg,1196315340001 is assigned
> 2007-11-28 23:37:46,929 DEBUG hbase.HMaster - Checking postlog,img225/2462/babyyua1.jpg,1196315340001
is assigned
> 2007-11-28 23:37:46,930 ERROR hbase.HMaster - Unexpected exception
> java.lang.IllegalArgumentException: Can't build a writable with empty bytes array   
                                                                                         
                                                                                         
                                                       at org.apache.hadoop.hbase.util.Writables.getWritable(Writables.java:78)
>     at org.apache.hadoop.hbase.HMaster$BaseScanner.scanRegion(HMaster.java:238)
>     at org.apache.hadoop.hbase.HMaster$MetaScanner.scanOneMetaRegion(HMaster.java:695)
                                                                                         
                                                                                         
                                                     at org.apache.hadoop.hbase.HMaster$MetaScanner.maintenanceScan(HMaster.java:758)
>     at org.apache.hadoop.hbase.HMaster$BaseScanner.chore(HMaster.java:202)
>     at org.apache.hadoop.hbase.Chore.run(Chore.java:58) 
> ...
> {code}
> Eventually the bad regioninfo seems to go away because scans start running to completion
again.

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