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From Ted Yu <yuzhih...@gmail.com>
Subject Re: table not shown on master UI but creating same table fails
Date Fri, 19 Nov 2010 18:08:47 GMT
How do I delete the other regions for this table in .META. ?

Thanks

On Fri, Nov 19, 2010 at 10:01 AM, Jean-Daniel Cryans <jdcryans@apache.org>wrote:

> Seems like a classic .META. issue from 0.20, I would suggest that you
> look at the master's state (regions in transition, etc), and that you
> scan .META. for that table.
>
> Also, looking at the code that lists the table, I see one case where a
> row would be in .META. but not listed:
>
>            byte[] value = result.getValue(CATALOG_FAMILY,
> REGIONINFO_QUALIFIER);
>            HRegionInfo info = null;
>            if (value != null) {
>              info = Writables.getHRegionInfo(value);
>            }
>            // Only examine the rows where the startKey is zero length
>            if (info != null && info.getStartKey().length == 0) {
>              uniqueTables.add(info.getTableDesc());
>            }
>
>
> Could it be that the first region isn't in .META.?
>
> J-D
> On Fri, Nov 19, 2010 at 9:56 AM, Ted Yu <yuzhihong@gmail.com> wrote:
> > Hi,
> > We use hbase 0.20.6
> > We're facing weird state for a particular table:
> >
> > 2010-11-19 09:25:08,350 Thread-20 ERROR [StripedHBaseTable] Could not
> > create packageindex
> > org.apache.hadoop.hbase.TableExistsException:
> > org.apache.hadoop.hbase.TableExistsException: packageindex
> >        at
> org.apache.hadoop.hbase.master.HMaster.createTable(HMaster.java:799)
> >        at
> org.apache.hadoop.hbase.master.HMaster.createTable(HMaster.java:763)
> >        at sun.reflect.GeneratedMethodAccessor25.invoke(Unknown Source)
> >        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >        at java.lang.reflect.Method.invoke(Method.java:597)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:657)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:998)
> >
> >        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
> Method)
> >        at
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
> >        at
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
> >        at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
> >        at
> org.apache.hadoop.hbase.RemoteExceptionHandler.decodeRemoteException(RemoteExceptionHandler.java:94)
> >        at
> org.apache.hadoop.hbase.client.HBaseAdmin.createTableAsync(HBaseAdmin.java:283)
> >        at
> org.apache.hadoop.hbase.client.HBaseAdmin.createTable(HBaseAdmin.java:240)
> >        at
> org.apache.hadoop.hbase.client.HBaseAdmin.createTable(HBaseAdmin.java:206)
> > ...
> > 2010-11-19 09:25:08,352 Thread-20 INFO
> > [HBasePackageIndexTableMapperNew] Creating table packageindex - Done
> > 2010-11-19 09:25:08,374 Thread-20 INFO  [CodecPool] Got brand-new
> decompressor
> > 2010-11-19 09:25:08,396 Thread-20 INFO
> > [HBasePackageIndexTableMapperNew] OnClose called
> > 2010-11-19 09:25:08,397 Thread-20 WARN  [LocalJobRunner] job_local_0001
> > org.apache.hadoop.hbase.TableNotFoundException: packageindex
> >        at
> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegionInMeta(HConnectionManager.java:698)
> >        at
> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:634)
> >        at
> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:601)
> >        at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:134)
> >        at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:112)
> >
> > Can someone suggest what I should do so that I can create this table
> again ?
> >
> > Thanks
> >
>

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