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From tamil <thamizhanna...@gmail.com>
Subject Issue on hbase table import to hdfs
Date Wed, 02 Jan 2013 10:25:01 GMT
Hi,

When I tried to import the hbase table to hdfs using MR code, it ended with
below error.
I am using hbase-0.92.2 and hadoop-0.20.2.
In my code, I used TableMapper<ImmutableBytesWritable, Result> mapper to
read the data.
Any fix/suggestion for this issue would be appreciated.

Job log:
13/01/02 09:24:42 INFO mapred.JobClient: Running job: job_201212311508_13510
13/01/02 09:24:43 INFO mapred.JobClient:  map 0% reduce 0%
13/01/02 09:25:49 INFO mapred.JobClient:  map 9% reduce 0%
13/01/02 09:26:03 INFO mapred.JobClient:  map 18% reduce 0%
13/01/02 09:26:09 INFO mapred.JobClient:  map 27% reduce 0%
13/01/02 09:26:20 INFO mapred.JobClient:  map 36% reduce 0%
13/01/02 09:26:39 INFO mapred.JobClient:  map 45% reduce 0%
13/01/02 09:26:49 INFO mapred.JobClient:  map 54% reduce 0%
13/01/02 09:26:57 INFO mapred.JobClient: Task Id :
attempt_201212311508_13510_m_000006_0, Status : FAILED on node
hst-gti-grid080.scur.colo
org.apache.hadoop.hbase.client.RetriesExhaustedException: Failed after
attempts=10, exceptions:
Wed Jan 02 09:26:14 UTC 2013,
org.apache.hadoop.hbase.client.ScannerCallable@4bc348d3,
java.io.IOException: java.io.IOException:
java.lang.StringIndexOutOfBoundsException: String index out of range: -12
        at
org.apache.hadoop.hbase.regionserver.HRegionServer.convertThrowableToIOE(HRegionServer.java:1083)
        at
org.apache.hadoop.hbase.regionserver.HRegionServer.convertThrowableToIOE(HRegionServer.java:1072)
        at
org.apache.hadoop.hbase.regionserver.HRegionServer.next(HRegionServer.java:2189)
        at sun.reflect.GeneratedMethodAccessor96.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.WritableRpcEngine$Server.call(WritableRpcEngine.java:364)
        at
org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:1336)
Caused by: java.lang.StringIndexOutOfBoundsException: String index out of
range: -12
        at java.lang.String.checkBounds(String.java:397)
        at java.lang.String.<init>(String.java:442)
        at org.apache.hadoop.hbase.util.Bytes.toStringBinary(Bytes.java:342)
        at org.apache.hadoop.hbase.KeyValue.keyToString(KeyValue.java:655)
        at org.apache.hadoop.hbase.KeyValue.toString(KeyValue.java:609)
        at java.lang.String.valueOf(String.java:2826)
        at java.lang.StringBuilder.append(StringBuilder.java:115)
        at
org.apache.hadoop.hbase.regionserver.StoreScanner.next(StoreScanner.java:266)
        at
org.apache.hadoop.hbase.regionserver.KeyValueHeap.next(KeyValueHeap.java:138)
        at
org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextInternal(HRegion.java:3025)
        at
org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.next(HRegion.java:2972)
        at
org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.next(HRegion.java:2989)
        at
org.apache.hadoop.hbase.regionserver.HRegionServer.next(HRegionServer.java:2162)

Wed Jan 02 09:26:15 UTC 2013,
org.apache.hadoop.hbase.client.ScannerCallable@4bc348d3,
java.io.IOException: java.io.IOException:
java.lang.IllegalArgumentException: offset (66510) + length (2) exceed the
capacity of the array: 66511
        at
org.apache.hadoop.hbase.regionserver.HRegionServer.convertThrowableToIOE(HRegionServer.java:1083)
        at
org.apache.hadoop.hbase.regionserver.HRegionServer.convertThrowableToIOE(HRegionServer.java:1072)
        at
org.apache.hadoop.hbase.regionserver.HRegionServer.next(HRegionServer.java:2189)
        at sun.reflect.GeneratedMethodAccessor96.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.WritableRpcEngine$Server.call(WritableRpcEngine.java:364)
        at
org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:1336)



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