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https://issues.apache.org/jira/browse/HBASE-1175?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Gray updated HBASE-1175:
---------------------------------
Attachment: hbase-1175-v1.patch
> HBA administrative tools do not work when specifying regionName
> ---------------------------------------------------------------
>
> Key: HBASE-1175
> URL: https://issues.apache.org/jira/browse/HBASE-1175
> Project: Hadoop HBase
> Issue Type: Bug
> Components: client, master
> Affects Versions: 0.19.0, 0.20.0
> Reporter: Jonathan Gray
> Assignee: Jonathan Gray
> Fix For: 0.19.1, 0.20.0
>
> Attachments: hbase-1175-v1.patch
>
>
> HBaseAdmin administrative functions allow tableName or regionName through the
> API. Things are okay if we pass tableName, but when using regionName the
> code in HMaster is incorrect. It is expecting to be passed tableName and
> startRow, but we are passing null and regionName. Patch will fix master to
> handle this case properly.
> Log for good measure:
> {code}
> [hb...@mb0 StyBase]$ java TableMaintenance chunks
> Running maintenance on table 'chunks'
> Table contains 2 regions
> > Flushing region {chunks,,1229390225893}
> EXCEPTION FLUSHING REGION! [org.apache.hadoop.ipc.RemoteException:
> java.io.IOException: Invalid arguments to openScanner
> at
> org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1695)
> at sun.reflect.GeneratedMethodAccessor16.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:616)
> at org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:632)
> at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:895)
> Caused by: java.lang.NullPointerException: firstRow for scanner is null
> at
> org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1692)
> ... 5 more
> at org.apache.hadoop.hbase.ipc.HBaseClient.call(HBaseClient.java:701)
> at
> org.apache.hadoop.hbase.ipc.HBaseRPC$Invoker.invoke(HBaseRPC.java:321)
> at $Proxy2.openScanner(Unknown Source)
> at
> org.apache.hadoop.hbase.master.HMaster.getTableRegionClosest(HMaster.java:725)
> at
> org.apache.hadoop.hbase.master.HMaster.modifyTable(HMaster.java:804)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:616)
> at org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:632)
> at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:895)
> ]
> {code}
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