Details
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Bug
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Status: Resolved
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Major
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Resolution: Abandoned
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1.2.0
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None
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None
Description
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.
Perhaps there is a bug on a corner case for FastDiffDeltaEncoder?
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$2.callBlockingMethod(ClientProtos.java:33644) at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2170) ... 3 more
Likewise, running {{ hbase hfile -f -p }} on the specific hfile, a subset of kv pairs were printed until the program hits the following exception and crashes:
Exception in thread "main" java.lang.RuntimeException: Unknown code 65 at org.apache.hadoop.hbase.KeyValue$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)
I have attached the HFile related to this issue for debugging.
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Issue Links
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