In addition, when running hbase hfile -f -p, kv pairs were printed until the program hit the following exception:
Exception in thread "main" java.lang.RuntimeException: Unknown code 65 at org.apache.hadoop.hbase.KeyValue$Type.codeToType(KeyValue.java:259) at org.apache.hadoop.hbase.KeyValue.keyToString(KeyValue.java:1246) at org.apache.hadoop.hbase.io.encoding.BufferedDataBlockEncoder$ClonedSeekerState.toString(BufferedDataBlockEncoder.java:506) at java.lang.String.valueOf(String.java:2994) at java.lang.StringBuilder.append(StringBuilder.java:131) at org.apache.hadoop.hbase.io.hfile.HFilePrettyPrinter.scanKeysValues(HFilePrettyPrinter.java:382) at org.apache.hadoop.hbase.io.hfile.HFilePrettyPrinter.processFile(HFilePrettyPrinter.java:316) at org.apache.hadoop.hbase.io.hfile.HFilePrettyPrinter.run(HFilePrettyPrinter.java:255) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70) at org.apache.hadoop.hbase.io.hfile.HFilePrettyPrinter.main(HFilePrettyPrinter.java:677) On Wed, Dec 5, 2018 at 2:24 PM William Shen <wills...@marinsoftware.com> wrote: > Thank you Stack. > I was able to isolate the specific Hfile causing the exception. Do you > mind teaching me how to play with the file standalone? I am not sure if I > know how to do that. > Thanks! > > On Wed, Dec 5, 2018 at 1:04 PM Stack <st...@duboce.net> wrote: > >> Looks like bug in FastDiffDeltaEncoder triggered by whatever the current >> form of the target file. Can you figure which file it is (going by the Get >> coordinates?). I suppose the compactor is running into the same problem >> (was thinking a major compaction might get you over this hump). You could >> make a copy of the problematic file and play with it standalone to see if >> can figure the bug. Failing that, post to a JIRA if you yourself can't >> figure it so someone else might have a go at it? >> >> Thanks, >> S >> >> On Wed, Dec 5, 2018 at 11:22 AM William Shen <wills...@marinsoftware.com> >> wrote: >> >> > Hi there, >> > >> > We've recently encountered issue retrieving data from our HBase cluster, >> > and have not had much luck troubleshooting the issue. We narrowed down >> our >> > issue to a single GET, which appears to be caused by >> > FastDiffDeltaEncoder.java running into >> java.lang.IndexOutOfBoundsException. >> > Has anyone encountered similar issues before, or does anyone have >> > experience troubleshooting issues such as this one? Any help would be >> much >> > appreciated! We are running 1.2.0-cdh5.9.2, and the GET in question is: >> > >> > hbase(main):004:0> get 'qa2.ADGROUPS', >> > >> > >> "\x05\x80\x00\x00\x00\x00\x1F\x54\x9C\x80\x00\x00\x00\x00\x1C\x7D\x45\x00\x04\x80\x00\x00\x00\x00\x1D\x0F\x19\x80\x00\x00\x00\x00\x4A\x64\x6F\x80\x00\x00\x00\x01\xD9\xDB\xCE" >> > >> > COLUMN CELL >> > >> > >> > >> > >> > ERROR: java.io.IOException >> > >> > at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2215) >> > >> > at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:109) >> > >> > at >> > >> org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:185) >> > >> > at >> > >> org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:165) >> > >> > Caused by: java.lang.IndexOutOfBoundsException >> > >> > at java.nio.Buffer.checkBounds(Buffer.java:567) >> > >> > at java.nio.HeapByteBuffer.get(HeapByteBuffer.java:149) >> > >> > at >> > org.apache.hadoop.hbase.io >> > .encoding.FastDiffDeltaEncoder$1.decode(FastDiffDeltaEncoder.java:465) >> > >> > at >> > org.apache.hadoop.hbase.io >> > >> .encoding.FastDiffDeltaEncoder$1.decodeNext(FastDiffDeltaEncoder.java:516) >> > >> > at >> > org.apache.hadoop.hbase.io >> > >> .encoding.BufferedDataBlockEncoder$BufferedEncodedSeeker.next(BufferedDataBlockEncoder.java:618) >> > >> > at >> > org.apache.hadoop.hbase.io >> > .hfile.HFileReaderV2$EncodedScannerV2.next(HFileReaderV2.java:1277) >> > >> > at >> > >> > >> org.apache.hadoop.hbase.regionserver.StoreFileScanner.next(StoreFileScanner.java:180) >> > >> > at >> > >> > >> org.apache.hadoop.hbase.regionserver.KeyValueHeap.next(KeyValueHeap.java:108) >> > >> > at >> > >> > >> org.apache.hadoop.hbase.regionserver.StoreScanner.next(StoreScanner.java:588) >> > >> > at >> > >> > >> org.apache.hadoop.hbase.regionserver.KeyValueHeap.next(KeyValueHeap.java:147) >> > >> > at >> > >> > >> org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.populateResult(HRegion.java:5706) >> > >> > at >> > >> > >> org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextInternal(HRegion.java:5865) >> > >> > at >> > >> > >> org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextRaw(HRegion.java:5643) >> > >> > at >> > >> > >> org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.next(HRegion.java:5620) >> > >> > at >> > >> > >> org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.next(HRegion.java:5606) >> > >> > at org.apache.hadoop.hbase.regionserver.HRegion.get(HRegion.java:6801) >> > >> > at org.apache.hadoop.hbase.regionserver.HRegion.get(HRegion.java:6779) >> > >> > at >> > >> > >> org.apache.hadoop.hbase.regionserver.RSRpcServices.get(RSRpcServices.java:2029) >> > >> > at >> > >> > >> org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:33644) >> > >> > at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2170) >> > >> > ... 3 more >> > >> > >> > Thank you very much in advance! >> > >> >
