Toshihiro Suzuki created HBASE-20219: ----------------------------------------
Summary: An error occurs when scanning with reversed=true and loadColumnFamiliesOnDemand=true Key: HBASE-20219 URL: https://issues.apache.org/jira/browse/HBASE-20219 Project: HBase Issue Type: Bug Reporter: Toshihiro Suzuki I'm facing the following error when scanning with reversed=true and loadColumnFamiliesOnDemand=true: {code} java.lang.IllegalStateException: requestSeek cannot be called on ReversedKeyValueHeap at org.apache.hadoop.hbase.regionserver.ReversedKeyValueHeap.requestSeek(ReversedKeyValueHeap.java:66) at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.joinedHeapMayHaveData(HRegion.java:6725) at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextInternal(HRegion.java:6652) at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextRaw(HRegion.java:6364) at org.apache.hadoop.hbase.regionserver.RSRpcServices.scan(RSRpcServices.java:3108) at org.apache.hadoop.hbase.regionserver.RSRpcServices.scan(RSRpcServices.java:3345) at org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:41548) at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:409) at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:130) at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:324) at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:304) {code} I will attach a UT patch to reproduce this issue. -- This message was sent by Atlassian JIRA (v7.6.3#76005)