Hi
Using hbase-0.20.6
mapreduce job started failing in the map phase (using hbase table as input for
mapper)..(ran fine for a week or so starting with empty tables)..
task tracker log:
Task attempt_201105121141_0002_m_000452_0 failed to report status for 600
seconds. Killing
Region server log:
2011-05-12 18:27:39,919 INFO
org.apache.hadoop.hbase.regionserver.HRegionServer: Scanner
-7857209327501974146 lease expired
2011-05-12 18:28:29,716 ERROR
org.apache.hadoop.hbase.regionserver.HRegionServer:org.apache.hadoop.hbase.UnknownScannerException:
Name: -7857209327501974146
at
org.apache.hadoop.hbase.regionserver.HRegionServer.next(HRegionServer.java:1880)
at sun.reflect.GeneratedMethodAccessor5.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:915)
2011-05-12 18:28:29,897 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server
handler 3 on 60020, call next(-78572093275019
74146, 1) from .....:35202: error:
org.apache.hadoop.hbase.UnknownScannerException: Name: -7857209327501974146
org.apache.hadoop.hbase.UnknownScannerException: Name: -7857209327501974146
at
org.apache.hadoop.hbase.regionserver.HRegionServer.next(HRegionServer.java:1880)
at sun.reflect.GeneratedMethodAccessor5.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:915)
I don't see any error in datanodes
Appreciate any help
thanks
v
