Anybody knows why some queries on HBASE fails with “unable to learn schema”?
SCHEMA_CHANGE ERROR: Schema change detected but unable to learn schema, query failed. Original: schema(row_key::varbinary, CF::struct<ENUMAgent::varbinary, TimeStamp::varbinary, ConnectedCalls::varbinary, Contexts::varbinary, IncomingCalls::varbinary, IncomingChannels::varbinary, OutgoingCalls::varbinary, OutgoingChannels::varbinary, QueuedMesseges::varbinary, TPKTChannels::varbinary, UDPChannels::varbinary>), New: schema(row_key::varbinary, CF::struct<ENUMAgent::varbinary, TimeStamp::varbinary, ConnectedCalls::varbinary, Contexts::varbinary, IncomingCalls::varbinary, IncomingChannels::varbinary, OutgoingCalls::varbinary, OutgoingChannels::varbinary, QueuedMesseges::varbinary, TPKTChannels::varbinary, UDPChannels::varbinary, AdminStatus::varbinary, Description::varbinary, IfLastChange::varbinary, InDiscards::varbinary, InErrors::varbinary, InNon-UnicastPackets::varbinary, InOctets::varbinary, InUnicastPackets::varbinary, Index::varbinary, MTU::varbinary, OperationalState::varbinary, OutDiscards::varbinary, OutErrors::varbinary, OutNon-UnicastPackets::varbinary, OutOctets::varbinary, OutUnicastPackets::varbinary, PhysicalAddress::varbinary, Speed::varbinary, Type::varbinary, RxUtilization::varbinary, TxUtilization::varbinary, Answer/SeizureRatio::varbinary, AverageOne-WaySignalingLatency::varbinary, Hostname::varbinary, InboundActiveSessions::varbinary, InboundAverageSessionRate::varbinary, InboundConcurrentSessionsHigh::varbinary, InboundSessionRate::varbinary, InboundSessionsAdmitted::varbinary, InboundSessionsNotAdmitted::varbinary, MaxBurstRate::varbinary, MaximumOne-WaySignalingLatency::varbinary, OutboundActiveSessions::varbinary, OutboundAverageSessionsRate::varbinary, OutboundConcurrentSessionsHigh::varbinary, OutboundSessionRate::varbinary, OutboundSessionsAdmitted::varbinary, OutboundSessionsNotAdmitted::varbinary, Status::varbinary, SystemType::varbinary, TotalAnsweredSessions::varbinary, TotalSeizures::varbinary>).
SqlOperatorImpl HBASE_SUB_SCAN
Location 0:0:10
Fragment 0:0
[Error Id: 30a111be-f5e5-4b17-b831-90d232d8c111 on 968efe5d15e7:31010]
(org.apache.arrow.vector.util.SchemaChangeRuntimeException) Schema change error
com.dremio.common.exceptions.UserException.schemaChangeError():55
com.dremio.sabot.op.scan.ScanOperator.checkAndLearnSchema():251
com.dremio.sabot.op.scan.ScanOperator.outputData():226
com.dremio.sabot.driver.SmartOp$SmartProducer.outputData():510
com.dremio.sabot.driver.StraightPipe.pump():56
com.dremio.sabot.driver.Pipeline.doPump():82
com.dremio.sabot.driver.Pipeline.pumpOnce():72
com.dremio.sabot.exec.fragment.FragmentExecutor$DoAsPumper.run():288
com.dremio.sabot.exec.fragment.FragmentExecutor$DoAsPumper.run():284
java.security.AccessController.doPrivileged():-2
javax.security.auth.Subject.doAs():-1
org.apache.hadoop.security.UserGroupInformation.doAs():1807
com.dremio.sabot.exec.fragment.FragmentExecutor.run():243
com.dremio.sabot.exec.fragment.FragmentExecutor.access$800():83
com.dremio.sabot.exec.fragment.FragmentExecutor$AsyncTaskImpl.run():577
com.dremio.sabot.task.AsyncTaskWrapper.run():92
com.dremio.sabot.task.slicing.SlicingThread.run():71
SqlOperatorImpl HBASE_SUB_SCAN
Location 0:0:10
Fragment 0:0
com.dremio.common.exceptions.UserException(UserException.java:55)
com.dremio.sabot.op.scan.ScanOperator(ScanOperator.java:251)
com.dremio.sabot.op.scan.ScanOperator(ScanOperator.java:226)
com.dremio.sabot.driver.SmartOp$SmartProducer(SmartOp.java:510)
com.dremio.sabot.driver.StraightPipe(StraightPipe.java:56)
com.dremio.sabot.driver.Pipeline(Pipeline.java:82)
com.dremio.sabot.driver.Pipeline(Pipeline.java:72)
com.dremio.sabot.exec.fragment.FragmentExecutor$DoAsPumper(FragmentExecutor.java:288)
com.dremio.sabot.exec.fragment.FragmentExecutor$DoAsPumper(FragmentExecutor.java:284)
…(:0)
org.apache.hadoop.security.UserGroupInformation(UserGroupInformation.java:1807)
com.dremio.sabot.exec.fragment.FragmentExecutor(FragmentExecutor.java:243)
com.dremio.sabot.exec.fragment.FragmentExecutor(FragmentExecutor.java:83)
com.dremio.sabot.exec.fragment.FragmentExecutor$AsyncTaskImpl(FragmentExecutor.java:577)
com.dremio.sabot.task.AsyncTaskWrapper(AsyncTaskWrapper.java:92)
com.dremio.sabot.task.slicing.SlicingThread(SlicingThread.java:71)