Can I apply those two commands to resolve the following (hbase 0.20.1) ?
2010-03-09 11:06:49,229 DEBUG [pool-1-thread-1] hfile.LruBlockCache(551):
Cache Stats: Sizes: Total=12.646942MB (13261280), Free=1212.828MB
(1271742368), Max=1225.475MB (1285003648), Counts: Blocks=43, Access=5141,
Hit=5098, Miss=43, Evictions=0, Evicted=0, Ratios: Hit
Ratio=99.16358590126038%, Miss Ratio=0.8364131674170494%, Evicted/Run=NaN
2010-03-09 11:07:40,759 ERROR [IPC Server handler 49 on 60020]
regionserver.HRegionServer(846): Failed openScanner
org.apache.hadoop.hbase.NotServingRegionException: .META.,,1
at
org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2307)
at
org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1893)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at
org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:648)
at
org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
2010-03-09 11:07:42,766 ERROR [IPC Server handler 50 on 60020]
regionserver.HRegionServer(844):
org.apache.hadoop.hbase.NotServingRegionException: -ROOT-,,0
at
org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2307)
at
org.apache.hadoop.hbase.regionserver.HRegionServer.getClosestRowBefore(HRegionServer.java:1769)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at
org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:648)
at
org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
On Mon, Mar 8, 2010 at 6:22 PM, Ryan Rawson <ryano...@gmail.com> wrote:
> Try this in the shell:
>
> flush '.META.'
> // Wait about 20 seconds
> major_compact '.META.'
>
> what version of hbase are you running?
>
> On Mon, Mar 8, 2010 at 6:21 PM, Yabo Xu <arber.resea...@gmail.com> wrote:
> > Hi there:
> >
> > We have been using HBase for a while in our project, and once in a while
> we
> > have encountered the "NoServerForRegionException" exception. Some region
> of
> > a certain table seems to be broken, and a simple count will throw the
> > following exception.
> >
> > Any idea on how to fix the table, and also anybody knows where the
> exception
> > might be from?
> >
> > We are rushing for a deadline, but are stucking on this issue now. So
> your
> > help would be really appreciated!
> >
> > Arber
> >
> > ---------------------------
> > NativeException: java.lang.RuntimeException: org.apache.hadoop.hbase.
> > client.RetriesExhaustedException: Trying to contact region server null
> for
> > region , row
> '1267733340|com.ifeng.finance/stock/ts/20100304/1887962.shtml|1|45',
> > but failed after 5 attempts.
> > Exceptions:
> > org.apache.hadoop.hbase.client.NoServerForRegionException: No server
> address
> > listed in .META. for
> >
> regionSummba.RAFE.sentence,1267733340|com.ifeng.finance/stock/ts/20100304/1887962.shtml|1|45,1267781626626
> > org.apache.hadoop.hbase.client.NoServerForRegionException: No server
> address
> > listed in .META. for region
> >
> Summba.RAFE.sentence,1267733340|com.ifeng.finance/stock/ts/20100304/1887962.shtml|1|45,1267781626626
> > org.apache.hadoop.hbase.client.NoServerForRegionException: No server
> address
> > listed in .META. for region
> >
> Summba.RAFE.sentence,1267733340|com.ifeng.finance/stock/ts/20100304/1887962.shtml|1|45,1267781626626
> > org.apache.hadoop.hbase.client.NoServerForRegionException: No server
> address
> > listed in .META. for region
> >
> Summba.RAFE.sentence,1267733340|com.ifeng.finance/stock/ts/20100304/1887962.shtml|1|45,1267781626626
> > org.apache.hadoop.hbase.client.NoServerForRegionException: No server
> address
> > listed in .META. for region
> >
> Summba.RAFE.sentence,1267733340|com.ifeng.finance/stock/ts/20100304/1887962.shtml|1|45,1267781626626
> > from org/apache/hadoop/hbase/
> >
> > client/HTable.java:1716:in `hasNext'
> > from sun.reflect.GeneratedMethodAccessor3:-1:in `invoke'
> > from sun/reflect/DelegatingMethodAccessorImpl.java:25:in `invoke'
> > from java/lang/reflect/Method.java:597:in `invoke'
> > from org/jruby/javasupport/JavaMethod.java:298:in
> > `invokeWithExceptionHandling'
> > from org/jruby/javasupport/JavaMethod.java:259:in `invoke'
> > from org/jruby/java/invokers/InstanceMethodInvoker.java:36:in `call'
> > from org/jruby/runtime/callsite/CachingCallSite.java:73:in `call'
> > from org/jruby/ast/CallNoArgNode.java:61:in `interpret'
> > from org/jruby/ast/WhileNode.java:124:in `interpret'
> > from org/jruby/ast/NewlineNode.java:101:in `interpret'
> > from org/jruby/ast/BlockNode.java:68:in `interpret'
> > from org/jruby/internal/runtime/methods/DefaultMethod.java:156:in
> > `interpretedCall'
> > from org/jruby/internal/runtime/methods/DefaultMethod.java:133:in `call'
> > from org/jruby/internal/runtime/methods/DefaultMethod.java:246:in `call'
> > from org/jruby/runtime/callsite/CachingCallSite.java:114:in `call'
> > ... 107 levels...
> >
>
