Bringing the discussion in hbase-user That usually happens after a DNS hiccup. There's a fix for that in https://issues.apache.org/jira/browse/HBASE-2174
J-D On Wed, Mar 10, 2010 at 1:41 PM, Ted Yu <yuzhih...@gmail.com> wrote: > I noticed two lines for the same region server on HBase Master page: > X.com:60030 1268160765854 requests=0, regions=16, usedHeap=1068, > maxHeap=6127 > X.com:60030 1268250726442 requests=21, regions=9, usedHeap=1258, > maxHeap=6127 > > I checked there is only one > org.apache.hadoop.hbase.regionserver.HRegionServer instance running on that > machine. > > This is from region server log: > > 2010-03-10 13:25:38,157 ERROR [IPC Server handler 43 on 60020] > regionserver.HRegionServer(844): > org.apache.hadoop.hbase.NotServingRegionException: ruletable,,1268083966723 > at > org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2307) > at > org.apache.hadoop.hbase.regionserver.HRegionServer.get(HRegionServer.java:1784) > at sun.reflect.GeneratedMethodAccessor10.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$Server.call(HBaseRPC.java:648) > at > org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915) > 2010-03-10 13:25:38,189 ERROR [IPC Server handler 0 on 60020] > regionserver.HRegionServer(844): > org.apache.hadoop.hbase.NotServingRegionException: ruletable,,1268083966723 > at > org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2307) > at > org.apache.hadoop.hbase.regionserver.HRegionServer.get(HRegionServer.java:1784) > at sun.reflect.GeneratedMethodAccessor10.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$Server.call(HBaseRPC.java:648) > at > org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915) > > If you know how to troubleshoot, please share. >
