Cluster confused about where -ROOT- is
--------------------------------------
Key: HBASE-1121
URL: https://issues.apache.org/jira/browse/HBASE-1121
Project: Hadoop HBase
Issue Type: Bug
Environment: TRUNK trying to do big upload
Reporter: stack
Each node in cluster is doing below:
{code}
2009-01-11 20:52:22,739 [regionserver/0:0:0:0:0:0:0:0:60020.compactor] DEBUG
org.apache.hadoop.hbase.client.HConnectionManager$TableServers: Attempt 0 of 10
failed with <org.apache.hadoop.hbase.NotServingRegionException:
org.apache.hadoop.hbase.NotServingRegionException: -ROOT-,,0
at
org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2064)
at
org.apache.hadoop.hbase.regionserver.HRegionServer.getClosestRowBefore(HRegionServer.java:1545)
at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:632)
at
org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:894)
>. Retrying after sleep of 20002009-01-11 20:52:22,742
>[regionserver/0:0:0:0:0:0:0:0:60020.compactor] DEBUG
>org.apache.hadoop.hbase.client.HConnectionManager$TableServers: Found ROOT
>REGION => {NAME => '-ROOT-,,0', STARTKEY => '', ENDKEY => '', ENCODED =>
>70236052, TABLE => {{NAME => '-ROOT-', IS_ROOT => 'true', IS_META => 'true',
>FAMILIES => [{NAME => 'info', BLOOMFILTER => 'false', COMPRESSION => 'NONE',
>VERSIONS => '10', LENGTH => '2147483647', TTL => '-1', IN_MEMORY => 'false',
>BLOCKCACHE => 'true'}], INDEXES => []}}2009-01-11 20:52:24,759
>[regionserver/0:0:0:0:0:0:0:0:60020.compactor] DEBUG
>org.apache.hadoop.hbase.client.HConnectionManager$TableServers: Attempt 1 of
>10 failed with <org.apache.hadoop.hbase.NotServingRegionException:
>org.apache.hadoop.hbase.NotServingRegionException: -ROOT-,,0
at
org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2064)
at
org.apache.hadoop.hbase.regionserver.HRegionServer.getClosestRowBefore(HRegionServer.java:1545)
at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:632)
at
org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:894)
{code}
I tried to close the root region and tripped over hbase-1120.
So I killed the regionserver hosting -ROOT- but weirdly had no effect as though
the regionservers' internal cache of -ROOT- location cannot be changed.
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