Details
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Bug
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Status: Closed
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Major
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Resolution: Abandoned
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None
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None
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None
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None
Description
HFileBlock#istream seems to be null. I was wondering should we hide FSDataInputStreamWrapper#useHBaseChecksum.
By the way, this happened when online schema change is enabled (encoding)
2013-10-22 10:58:43,321 ERROR [RpcServer.handler=28,port=36020] regionserver.HRegionServer:
java.lang.NullPointerException
at org.apache.hadoop.hbase.io.hfile.HFileBlock$AbstractFSReader.readAtOffset(HFileBlock.java:1200)
at org.apache.hadoop.hbase.io.hfile.HFileBlock$FSReaderV2.readBlockDataInternal(HFileBlock.java:1436)
at org.apache.hadoop.hbase.io.hfile.HFileBlock$FSReaderV2.readBlockData(HFileBlock.java:1318)
at org.apache.hadoop.hbase.io.hfile.HFileReaderV2.readBlock(HFileReaderV2.java:359)
at org.apache.hadoop.hbase.io.hfile.HFileBlockIndex$BlockIndexReader.loadDataBlockWithScanInfo(HFileBlockIndex.java:254)
at org.apache.hadoop.hbase.io.hfile.HFileReaderV2$AbstractScannerV2.seekTo(HFileReaderV2.java:503)
at org.apache.hadoop.hbase.io.hfile.HFileReaderV2$AbstractScannerV2.reseekTo(HFileReaderV2.java:553)
at org.apache.hadoop.hbase.regionserver.StoreFileScanner.reseekAtOrAfter(StoreFileScanner.java:245)
at org.apache.hadoop.hbase.regionserver.StoreFileScanner.reseek(StoreFileScanner.java:166)
at org.apache.hadoop.hbase.regionserver.StoreFileScanner.enforceSeek(StoreFileScanner.java:361)
at org.apache.hadoop.hbase.regionserver.KeyValueHeap.pollRealKV(KeyValueHeap.java:336)
at org.apache.hadoop.hbase.regionserver.KeyValueHeap.generalizedSeek(KeyValueHeap.java:293)
at org.apache.hadoop.hbase.regionserver.KeyValueHeap.requestSeek(KeyValueHeap.java:258)
at org.apache.hadoop.hbase.regionserver.StoreScanner.reseek(StoreScanner.java:603)
at org.apache.hadoop.hbase.regionserver.StoreScanner.next(StoreScanner.java:476)
at org.apache.hadoop.hbase.regionserver.KeyValueHeap.next(KeyValueHeap.java:129)
at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.populateResult(HRegion.java:3546)
at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextInternal(HRegion.java:3616)
at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextRaw(HRegion.java:3494)
at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextRaw(HRegion.java:3485)
at org.apache.hadoop.hbase.regionserver.HRegionServer.scan(HRegionServer.java:3079)
at org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:27022)
at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:1979)
at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:90)
at org.apache.hadoop.hbase.ipc.SimpleRpcScheduler.consumerLoop(SimpleRpcScheduler.java:160)
at org.apache.hadoop.hbase.ipc.SimpleRpcScheduler.access$000(SimpleRpcScheduler.java:38)
at org.apache.hadoop.hbase.ipc.SimpleRpcScheduler$1.run(SimpleRpcScheduler.java:110)
at java.lang.Thread.run(Thread.java:724)
2013-10-22 10:58:43,665 ERROR [RpcServer.handler=23,port=36020] regionserver.HRegionServer:
org.apache.hadoop.hbase.exceptions.OutOfOrderScannerNextException: Expected nextCallSeq: 53438 But the nextCallSeq got from client: 53437; request=scanner_id: 1252577470624375060 number_of_rows: 100 close_scanner: false next_call_seq: 53437
at org.apache.hadoop.hbase.regionserver.HRegionServer.scan(HRegionServer.java:3030)
at org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:27022)
at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:1979)
at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:90)
at org.apache.hadoop.hbase.ipc.SimpleRpcScheduler.consumerLoop(SimpleRpcScheduler.java:160)
at org.apache.hadoop.hbase.ipc.SimpleRpcScheduler.access$000(SimpleRpcScheduler.java:38)
at org.apache.hadoop.hbase.ipc.SimpleRpcScheduler$1.run(SimpleRpcScheduler.java:110)
at java.lang.Thread.run(Thread.java:724)