Can you tell us which HBase version you are using ? On Wed, Sep 19, 2012 at 7:27 AM, Bai Shen <[email protected]> wrote:
> I'm running Nutch 2 using HBase as my backend in local mode. Everything > seems to be working correctly except when I run the readdb method. When I > run readdb, I get the following stack trace. > > 2012-09-19 10:15:46,485 WARN mapred.LocalJobRunner - job_local_0001 > org.apache.hadoop.hbase.client.RetriesExhaustedException: Failed after > attempts=10, exceptions: > Wed Sep 19 10:15:07 EDT 2012, > org.apache.hadoop.hbase.client.ScannerCallable@345ac4dc, > java.io.IOException: java.io.IOException: Could not iterate > StoreFileScanner[HFileScanner for reader > > reader=file:/data1/hbase/root/webpage/583a33aae4c4003021da635aba2f70c4/ol/d09b3cd6eb0b478cbd6f64d420e42034, > compression=none, cacheConf=CacheConfig:enabled [cacheDataOnRead=true] > [cacheDataOnWrite=false] [cacheIndexesOnWrite=false] > [cacheBloomsOnWrite=false] [cacheEvictOnClose=false] > [cacheCompressed=false], firstKey=edu.ndu.www:http/aa/catalogs.cfm/ol: > http://www.ndu.edu/aa/catalogs.cfm/1348036803793/Put, > lastKey=edu.ucla.anderson.www:http/mba-admissions.xml/ol: > http://www.anderson.ucla.edu/x40700.xml/1348036827378/Put, avgKeyLen=161, > avgValueLen=14, entries=17405, length=3238861, > > cur=edu.nps.www:http/About/News/NPS-Crushes-CubeSats-for-DARPA-Challenge.html/ol: > http://www.nps.edu/Technology/HPC/ContactHPC.html/1348036805774/Put/vlen=11 > ] > at > > org.apache.hadoop.hbase.regionserver.StoreFileScanner.next(StoreFileScanner.java:104) > at > > org.apache.hadoop.hbase.regionserver.KeyValueHeap.next(KeyValueHeap.java:106) > at > > org.apache.hadoop.hbase.regionserver.StoreScanner.next(StoreScanner.java:289) > at > > org.apache.hadoop.hbase.regionserver.KeyValueHeap.next(KeyValueHeap.java:138) > at > > org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextInternal(HRegion.java:2978) > at > > org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.next(HRegion.java:2925) > at > > org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.next(HRegion.java:2942) > at > > org.apache.hadoop.hbase.regionserver.HRegionServer.next(HRegionServer.java:2159) > at sun.reflect.GeneratedMethodAccessor12.invoke(Unknown Source) > at > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:601) > at > > org.apache.hadoop.hbase.ipc.WritableRpcEngine$Server.call(WritableRpcEngine.java:364) > at > org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:1336) > Caused by: org.apache.hadoop.fs.ChecksumException: Checksum error: > > file:/data1/hbase/root/webpage/583a33aae4c4003021da635aba2f70c4/ol/d09b3cd6eb0b478cbd6f64d420e42034 > at 1378304 exp: -89200966 got: -2503767 > at > org.apache.hadoop.fs.FSInputChecker.verifySums(FSInputChecker.java:320) > at > > org.apache.hadoop.fs.FSInputChecker.readChecksumChunk(FSInputChecker.java:276) > at > org.apache.hadoop.fs.FSInputChecker.fill(FSInputChecker.java:211) > at > org.apache.hadoop.fs.FSInputChecker.read1(FSInputChecker.java:229) > at > org.apache.hadoop.fs.FSInputChecker.read(FSInputChecker.java:193) > at > org.apache.hadoop.fs.FSInputChecker.readFully(FSInputChecker.java:431) > at > org.apache.hadoop.fs.FSInputChecker.seek(FSInputChecker.java:412) > at > org.apache.hadoop.fs.FSDataInputStream.seek(FSDataInputStream.java:47) > at > > org.apache.hadoop.fs.ChecksumFileSystem$FSDataBoundedInputStream.seek(ChecksumFileSystem.java:318) > at > > org.apache.hadoop.hbase.io.hfile.HFileBlock$AbstractFSReader.readAtOffset(HFileBlock.java:1047) > at > > org.apache.hadoop.hbase.io.hfile.HFileBlock$FSReaderV2.readBlockData(HFileBlock.java:1318) > at > > org.apache.hadoop.hbase.io.hfile.HFileReaderV2.readBlock(HFileReaderV2.java:266) > at > > org.apache.hadoop.hbase.io.hfile.HFileReaderV2$ScannerV2.readNextDataBlock(HFileReaderV2.java:452) > at > > org.apache.hadoop.hbase.io.hfile.HFileReaderV2$ScannerV2.next(HFileReaderV2.java:416) > at > > org.apache.hadoop.hbase.regionserver.StoreFileScanner.next(StoreFileScanner.java:99) > ... 12 more > > Wed Sep 19 10:15:08 EDT 2012, > org.apache.hadoop.hbase.client.ScannerCallable@345ac4dc, > java.io.IOException: java.io.IOException: > java.lang.IllegalArgumentException > at > > org.apache.hadoop.hbase.regionserver.HRegionServer.convertThrowableToIOE(HRegionServer.java:1084) > at > > org.apache.hadoop.hbase.regionserver.HRegionServer.convertThrowableToIOE(HRegionServer.java:1073) > at > > org.apache.hadoop.hbase.regionserver.HRegionServer.next(HRegionServer.java:2186) > at sun.reflect.GeneratedMethodAccessor12.invoke(Unknown Source) > at > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:601) > 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.IllegalArgumentException > at java.nio.Buffer.position(Buffer.java:236) > at > > org.apache.hadoop.hbase.io.hfile.HFileReaderV2$ScannerV2.next(HFileReaderV2.java:395) > at > > org.apache.hadoop.hbase.regionserver.StoreFileScanner.next(StoreFileScanner.java:99) > at > > org.apache.hadoop.hbase.regionserver.KeyValueHeap.next(KeyValueHeap.java:106) > at > > org.apache.hadoop.hbase.regionserver.StoreScanner.next(StoreScanner.java:326) > at > > org.apache.hadoop.hbase.regionserver.KeyValueHeap.next(KeyValueHeap.java:138) > at > > org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextInternal(HRegion.java:2978) > at > > org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.next(HRegion.java:2925) > at > > org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.next(HRegion.java:2942) > at > > org.apache.hadoop.hbase.regionserver.HRegionServer.next(HRegionServer.java:2159) > ... 5 more > > > I've run "hbase hbck" and returns the following. > > Summary: > -ROOT- is okay. > Number of regions: 1 > Deployed on: node9-0,53595,1348062612459 > .META. is okay. > Number of regions: 1 > Deployed on: node9-0,53595,1348062612459 > webpage is okay. > Number of regions: 18 > Deployed on: node9-0,53595,1348062612459 > 0 inconsistencies detected. > > > Any suggestions on what's wrong and how to fix it? > > Thanks. >
