hbase issure
9:00:24.951[main]DEBUGorg.apache.hadoop.hbase.client.ScannerCallableWithReplicas-Scanwithprimaryregionreturnsorg.apache.hadoop.hbase.UnknownScannerException:org.apache.hadoop.hbase.UnknownScannerException:Unknownscanner'-4537678028200738798'.Thiscanhappenduetoanyofthefollowingreasons:a)Scanneridgiveniswrong,b)Scannerleaseexpiredbecauseoflongwaitbetweenconsecutiveclientcheckins,c)Servermaybeclosingdown,d)RegionServerrestartduringupgrade.
Iftheissueisduetoreason(b),apossiblefixwouldbeincreasingthevalueof'hbase.client.scanner.timeout.period'configuration.
atorg.apache.hadoop.hbase.regionserver.RSRpcServices.getRegionScanner(RSRpcServices.java:2640)
atorg.apache.hadoop.hbase.regionserver.RSRpcServices.scan(RSRpcServices.java:3006)
atorg.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:36613)
atorg.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2380)
atorg.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:124)
atorg.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:297)
atorg.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:277)
19:00:47.208[main-SendThread(gaiaa:2181)]DEBUGorg.apache.zookeeper.ClientCnxn-Gotpingresponseforsessionid:0x100001722230005after0ms
19:00:47.466[main-SendThread(gaiaa:2181)]DEBUGorg.apache.zookeeper.ClientCnxn-Gotpingresponseforsessionid:0x100001722230006after0ms
19:01:17.235[main-SendThread(gaiaa:2181)]DEBUGorg.apache.zookeeper.ClientCnxn-Gotpingresponseforsessionid:0x100001722230005after0ms
19:01:17.496[main-SendThread(gaiaa:2181)]DEBUGorg.apache.zookeeper.ClientCnxn-Gotpingresponseforsessionid:0x100001722230006after0ms
19:01:47.266[main-SendThread(gaiaa:2181)]DEBUGorg.apache.zookeeper.ClientCnxn-Gotpingresponseforsessionid:0x100001722230005after0ms
19:01:47.551[main-SendThread(gaiaa:2181)]DEBUGorg.apache.zookeeper.ClientCnxn-Gotpingresponseforsessionid:0x100001722230006after0ms
19:02:04.606[main]DEBUGorg.apache.hadoop.hbase.client.ScannerCallableWithReplicas-Scanwithprimaryregionreturnsorg.apache.hadoop.hbase.UnknownScannerException:org.apache.hadoop.hbase.UnknownScannerException:Unknownscanner'-4537678028200738797'.Thiscanhappenduetoanyofthefollowingreasons:a)Scanneridgiveniswrong,b)Scannerleaseexpiredbecauseoflongwaitbetweenconsecutiveclientcheckins,c)Servermaybeclosingdown,d)RegionServerrestartduringupgrade.
Iftheissueisduetoreason(b),apossiblefixwouldbeincreasingthevalueof'hbase.client.scanner.timeout.period'configuration.
atorg.apache.hadoop.hbase.regionserver.RSRpcServices.getRegionScanner(RSRpcServices.java:2640)
atorg.apache.hadoop.hbase.regionserver.RSRpcServices.scan(RSRpcServices.java:3006)
atorg.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:36613)
atorg.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2380)
atorg.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:124)
atorg.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:297)
atorg.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:277)