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  1. Apache Drill
  2. DRILL-5733

Unable to SELECT from parquet file with Hadoop 2.7.4

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Details

    • Bug
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • 1.11.0
    • 1.18.0
    • None

    Description

      SELECT * FROM hdfs.`/user/drill/nation.parquet`; fails with Hadoop 2.7.4 with 

      1/2          SELECT * FROM hdfs.`/user/drill/nation.parquet`;
Error: SYSTEM ERROR: RemoteException: /user/drill/nation.parquet (is
not a directory)
        at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkTraverse(FSPermissionChecker.java:272)
        at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:215)
        at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:199)
        at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:1752)
        at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getFileInfo(FSDirStatAndListingOp.java:100)
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getFileInfo(FSNamesystem.java:3820)
        at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getFileInfo(NameNodeRpcServer.java:1012)
        at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getFileInfo(ClientNamenodeProtocolServerSideTranslatorPB.java:855)
        at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
        at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:616)
        at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:982)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2217)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2213)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:422)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1746)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2213)

      Query correctly executes with Hadoop 2.7.3, while it fails with:

      • Hadoop 2.7.4 with Drill 1.11 (default pom.xml)
      • Hadoop 2.7.4 with Drill 1.11 (with -Dhadoop.version=2.7.4)
      • Hadoop 2.8.0 with Drill 1.11 (default pom.xml)
      • Hadoop 3.0.0-alpha4 with Drill 1.11 (default pom.xml)
        thus looking related to https://issues.apache.org/jira/browse/HDFS-10673

      Temporary workaround consists in querying on an enclosing directory, as suggested by Kunal Khatua on drill-user mailinglist.

      Relevant stacktrace from drillbit log

      2017-08-19 09:00:45,570 [26681de9-2b48-2c3a-cc7c-2c7ceeb1beae:foreman] INFO  o.a.drill.exec.work.foreman.Foreman - Query text for query id 26681de9-2b48-2c3a-cc7c-2c7ceeb1beae: SELECT * FROM hdfs.`/user/drill/nation.parquet`
2017-08-19 09:00:45,571 [UserServer-1] WARN  o.a.drill.exec.rpc.user.UserServer - Message of mode REQUEST of rpc type 3 took longer than 500ms.  Actual duration was 7137ms.
2017-08-19 09:00:45,617 [26681de9-2b48-2c3a-cc7c-2c7ceeb1beae:foreman] INFO  o.a.d.c.s.persistence.ScanResult - loading 7 classes for org.apache.drill.exec.store.dfs.FormatPlugin took 0ms
2017-08-19 09:00:45,618 [26681de9-2b48-2c3a-cc7c-2c7ceeb1beae:foreman] INFO  o.a.d.c.s.persistence.ScanResult - loading 8 classes for org.apache.drill.common.logical.FormatPluginConfig took 0ms
2017-08-19 09:00:45,619 [26681de9-2b48-2c3a-cc7c-2c7ceeb1beae:foreman] INFO  o.a.d.c.s.persistence.ScanResult - loading 8 classes for org.apache.drill.common.logical.FormatPluginConfig took 0ms
2017-08-19 09:00:45,619 [26681de9-2b48-2c3a-cc7c-2c7ceeb1beae:foreman] INFO  o.a.d.c.s.persistence.ScanResult - loading 8 classes for org.apache.drill.common.logical.FormatPluginConfig took 0ms
2017-08-19 09:00:45,648 [26681de9-2b48-2c3a-cc7c-2c7ceeb1beae:foreman] INFO  o.a.d.c.s.persistence.ScanResult - loading 7 classes for org.apache.drill.exec.store.dfs.FormatPlugin took 0ms
2017-08-19 09:00:45,649 [26681de9-2b48-2c3a-cc7c-2c7ceeb1beae:foreman] INFO  o.a.d.c.s.persistence.ScanResult - loading 8 classes for org.apache.drill.common.logical.FormatPluginConfig took 0ms
2017-08-19 09:00:45,649 [26681de9-2b48-2c3a-cc7c-2c7ceeb1beae:foreman] INFO  o.a.d.c.s.persistence.ScanResult - loading 8 classes for org.apache.drill.common.logical.FormatPluginConfig took 0ms
2017-08-19 09:00:45,650 [26681de9-2b48-2c3a-cc7c-2c7ceeb1beae:foreman] INFO  o.a.d.c.s.persistence.ScanResult - loading 8 classes for org.apache.drill.common.logical.FormatPluginConfig took 0ms
2017-08-19 09:00:45,726 [26681de9-2b48-2c3a-cc7c-2c7ceeb1beae:foreman] INFO  o.a.d.exec.store.dfs.FileSelection - FileSelection.getStatuses() took 0 ms, numFiles: 1
2017-08-19 09:00:45,726 [26681de9-2b48-2c3a-cc7c-2c7ceeb1beae:foreman] INFO  o.a.d.exec.store.dfs.FileSelection - FileSelection.getStatuses() took 0 ms, numFiles: 1
2017-08-19 09:00:45,726 [26681de9-2b48-2c3a-cc7c-2c7ceeb1beae:foreman] INFO  o.a.d.exec.store.dfs.FileSelection - FileSelection.getStatuses() took 0 ms, numFiles: 1
2017-08-19 09:00:45,726 [26681de9-2b48-2c3a-cc7c-2c7ceeb1beae:foreman] INFO  o.a.d.exec.store.dfs.FileSelection - FileSelection.getStatuses() took 0 ms, numFiles: 1
2017-08-19 09:00:45,726 [26681de9-2b48-2c3a-cc7c-2c7ceeb1beae:foreman] INFO  o.a.d.exec.store.dfs.FileSelection - FileSelection.getStatuses() took 0 ms, numFiles: 1
2017-08-19 09:00:45,726 [26681de9-2b48-2c3a-cc7c-2c7ceeb1beae:foreman] INFO  o.a.d.exec.store.dfs.FileSelection - FileSelection.getStatuses() took 0 ms, numFiles: 1
2017-08-19 09:00:45,726 [26681de9-2b48-2c3a-cc7c-2c7ceeb1beae:foreman] INFO  o.a.d.exec.store.dfs.FileSelection - FileSelection.getStatuses() took 0 ms, numFiles: 1
2017-08-19 09:00:45,726 [26681de9-2b48-2c3a-cc7c-2c7ceeb1beae:foreman] INFO  o.a.d.exec.store.dfs.FileSelection - FileSelection.getStatuses() took 0 ms, numFiles: 1
2017-08-19 09:00:45,726 [26681de9-2b48-2c3a-cc7c-2c7ceeb1beae:foreman] INFO  o.a.d.exec.store.dfs.FileSelection - FileSelection.getStatuses() took 0 ms, numFiles: 1
2017-08-19 09:00:45,775 [26681de9-2b48-2c3a-cc7c-2c7ceeb1beae:foreman] ERROR o.a.drill.exec.work.foreman.Foreman - SYSTEM ERROR: RemoteException: /user/drill/nation.parquet (is not a directory)
    at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkTraverse(FSPermissionChecker.java:272)
    at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:215)
    at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:199)
    at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:1752)
    at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getFileInfo(FSDirStatAndListingOp.java:100)
    at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getFileInfo(FSNamesystem.java:3820)
    at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getFileInfo(NameNodeRpcServer.java:1012)
    at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getFileInfo(ClientNamenodeProtocolServerSideTranslatorPB.java:855)
    at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
    at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:616)
    at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:982)
    at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2217)
    at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2213)
    at java.security.AccessController.doPrivileged(Native Method)
    at javax.security.auth.Subject.doAs(Subject.java:422)
    at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1746)
    at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2213)



[Error Id: 8f351c63-d3f7-4b61-a5e6-1a09c6c2ba8d on node001.cm.cluster:31010]
org.apache.drill.common.exceptions.UserException: SYSTEM ERROR: RemoteException: /user/drill/nation.parquet (is not a directory)
    at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkTraverse(FSPermissionChecker.java:272)
    at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:215)
    at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:199)
    at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:1752)
    at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getFileInfo(FSDirStatAndListingOp.java:100)
    at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getFileInfo(FSNamesystem.java:3820)
    at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getFileInfo(NameNodeRpcServer.java:1012)
    at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getFileInfo(ClientNamenodeProtocolServerSideTranslatorPB.java:855)
    at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
    at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:616)
    at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:982)
    at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2217)
    at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2213)
    at java.security.AccessController.doPrivileged(Native Method)
    at javax.security.auth.Subject.doAs(Subject.java:422)
    at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1746)
    at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2213)



[Error Id: 8f351c63-d3f7-4b61-a5e6-1a09c6c2ba8d on node001.cm.cluster:31010]
    at org.apache.drill.common.exceptions.UserException$Builder.build(UserException.java:550) ~[drill-common-1.11.0.jar:1.11.0]
    at org.apache.drill.exec.work.foreman.Foreman$ForemanResult.close(Foreman.java:847) [drill-java-exec-1.11.0.jar:1.11.0]
    at org.apache.drill.exec.work.foreman.Foreman.moveToState(Foreman.java:977) [drill-java-exec-1.11.0.jar:1.11.0]
    at org.apache.drill.exec.work.foreman.Foreman.run(Foreman.java:297) [drill-java-exec-1.11.0.jar:1.11.0]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_141]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_141]
    at java.lang.Thread.run(Thread.java:748) [na:1.8.0_141]
Caused by: org.apache.drill.exec.work.foreman.ForemanException: Unexpected exception during fragment initialization: Internal error: Error while applying rule DrillTableRule, args [rel#152:EnumerableTableScan.ENUMERABLE.ANY([]).[](table=[hdfs, /user/drill/nation.parquet])]
    ... 4 common frames omitted
Caused by: java.lang.AssertionError: Internal error: Error while applying rule DrillTableRule, args [rel#152:EnumerableTableScan.ENUMERABLE.ANY([]).[](table=[hdfs, /user/drill/nation.parquet])]
    at org.apache.calcite.util.Util.newInternal(Util.java:792) ~[calcite-core-1.4.0-drill-r21.jar:1.4.0-drill-r21]
    at org.apache.calcite.plan.volcano.VolcanoRuleCall.onMatch(VolcanoRuleCall.java:251) ~[calcite-core-1.4.0-drill-r21.jar:1.4.0-drill-r21]
    at org.apache.calcite.plan.volcano.VolcanoPlanner.findBestExp(VolcanoPlanner.java:811) ~[calcite-core-1.4.0-drill-r21.jar:1.4.0-drill-r21]
    at org.apache.calcite.tools.Programs$RuleSetProgram.run(Programs.java:310) ~[calcite-core-1.4.0-drill-r21.jar:1.4.0-drill-r21]
    at org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.transform(DefaultSqlHandler.java:401) ~[drill-java-exec-1.11.0.jar:1.11.0]
    at org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.transform(DefaultSqlHandler.java:343) ~[drill-java-exec-1.11.0.jar:1.11.0]
    at org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.convertToRawDrel(DefaultSqlHandler.java:242) ~[drill-java-exec-1.11.0.jar:1.11.0]
    at org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.convertToDrel(DefaultSqlHandler.java:292) ~[drill-java-exec-1.11.0.jar:1.11.0]
    at org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.getPlan(DefaultSqlHandler.java:169) ~[drill-java-exec-1.11.0.jar:1.11.0]
    at org.apache.drill.exec.planner.sql.DrillSqlWorker.getQueryPlan(DrillSqlWorker.java:131) ~[drill-java-exec-1.11.0.jar:1.11.0]
    at org.apache.drill.exec.planner.sql.DrillSqlWorker.getPlan(DrillSqlWorker.java:79) ~[drill-java-exec-1.11.0.jar:1.11.0]
    at org.apache.drill.exec.work.foreman.Foreman.runSQL(Foreman.java:1050) [drill-java-exec-1.11.0.jar:1.11.0]
    at org.apache.drill.exec.work.foreman.Foreman.run(Foreman.java:280) [drill-java-exec-1.11.0.jar:1.11.0]
    ... 3 common frames omitted
Caused by: org.apache.drill.common.exceptions.DrillRuntimeException: Failure creating scan.
    at org.apache.drill.exec.planner.logical.DrillScanRel.<init>(DrillScanRel.java:92) ~[drill-java-exec-1.11.0.jar:1.11.0]
    at org.apache.drill.exec.planner.logical.DrillScanRel.<init>(DrillScanRel.java:70) ~[drill-java-exec-1.11.0.jar:1.11.0]
    at org.apache.drill.exec.planner.logical.DrillScanRel.<init>(DrillScanRel.java:63) ~[drill-java-exec-1.11.0.jar:1.11.0]
    at org.apache.drill.exec.planner.logical.DrillScanRule.onMatch(DrillScanRule.java:37) ~[drill-java-exec-1.11.0.jar:1.11.0]
    at org.apache.calcite.plan.volcano.VolcanoRuleCall.onMatch(VolcanoRuleCall.java:228) ~[calcite-core-1.4.0-drill-r21.jar:1.4.0-drill-r21]
    ... 14 common frames omitted
Caused by: org.apache.hadoop.security.AccessControlException: /user/drill/nation.parquet (is not a directory)
    at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkTraverse(FSPermissionChecker.java:272)
    at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:215)
    at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:199)
    at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:1752)
    at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getFileInfo(FSDirStatAndListingOp.java:100)
    at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getFileInfo(FSNamesystem.java:3820)
    at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getFileInfo(NameNodeRpcServer.java:1012)
    at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getFileInfo(ClientNamenodeProtocolServerSideTranslatorPB.java:855)
    at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
    at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:616)
    at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:982)
    at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2217)
    at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2213)
    at java.security.AccessController.doPrivileged(Native Method)
    at javax.security.auth.Subject.doAs(Subject.java:422)
    at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1746)
    at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2213)

    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_141]
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_141]
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_141]
    at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_141]
    at org.apache.hadoop.ipc.RemoteException.instantiateException(RemoteException.java:106) ~[hadoop-common-2.7.1.jar:na]
    at org.apache.hadoop.ipc.RemoteException.unwrapRemoteException(RemoteException.java:73) ~[hadoop-common-2.7.1.jar:na]
    at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2118) ~[hadoop-hdfs-2.7.1.jar:na]
    at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305) ~[hadoop-hdfs-2.7.1.jar:na]
    at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301) ~[hadoop-hdfs-2.7.1.jar:na]
    at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81) ~[hadoop-common-2.7.1.jar:na]
    at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1317) ~[hadoop-hdfs-2.7.1.jar:na]
    at org.apache.hadoop.fs.FileSystem.exists(FileSystem.java:1424) ~[hadoop-common-2.7.1.jar:na]
    at org.apache.drill.exec.store.dfs.DrillFileSystem.exists(DrillFileSystem.java:603) ~[drill-java-exec-1.11.0.jar:1.11.0]
    at org.apache.drill.exec.store.parquet.ParquetGroupScan.expandIfNecessary(ParquetGroupScan.java:270) ~[drill-java-exec-1.11.0.jar:1.11.0]
    at org.apache.drill.exec.store.parquet.ParquetGroupScan.<init>(ParquetGroupScan.java:207) ~[drill-java-exec-1.11.0.jar:1.11.0]
    at org.apache.drill.exec.store.parquet.ParquetGroupScan.<init>(ParquetGroupScan.java:186) ~[drill-java-exec-1.11.0.jar:1.11.0]
    at org.apache.drill.exec.store.parquet.ParquetFormatPlugin.getGroupScan(ParquetFormatPlugin.java:170) ~[drill-java-exec-1.11.0.jar:1.11.0]
    at org.apache.drill.exec.store.parquet.ParquetFormatPlugin.getGroupScan(ParquetFormatPlugin.java:66) ~[drill-java-exec-1.11.0.jar:1.11.0]
    at org.apache.drill.exec.store.dfs.FileSystemPlugin.getPhysicalScan(FileSystemPlugin.java:144) ~[drill-java-exec-1.11.0.jar:1.11.0]
    at org.apache.drill.exec.store.AbstractStoragePlugin.getPhysicalScan(AbstractStoragePlugin.java:100) ~[drill-java-exec-1.11.0.jar:1.11.0]
    at org.apache.drill.exec.planner.logical.DrillTable.getGroupScan(DrillTable.java:85) ~[drill-java-exec-1.11.0.jar:1.11.0]
    at org.apache.drill.exec.planner.logical.DrillScanRel.<init>(DrillScanRel.java:90) ~[drill-java-exec-1.11.0.jar:1.11.0]
    ... 18 common frames omitted
Caused by: org.apache.hadoop.ipc.RemoteException: /user/drill/nation.parquet (is not a directory)
    at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkTraverse(FSPermissionChecker.java:272)
    at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:215)
    at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:199)
    at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:1752)
    at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getFileInfo(FSDirStatAndListingOp.java:100)
    at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getFileInfo(FSNamesystem.java:3820)
    at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getFileInfo(NameNodeRpcServer.java:1012)
    at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getFileInfo(ClientNamenodeProtocolServerSideTranslatorPB.java:855)
    at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
    at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:616)
    at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:982)
    at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2217)
    at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2213)
    at java.security.AccessController.doPrivileged(Native Method)
    at javax.security.auth.Subject.doAs(Subject.java:422)
    at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1746)
    at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2213)

    at org.apache.hadoop.ipc.Client.call(Client.java:1476) ~[hadoop-common-2.7.1.jar:na]
    at org.apache.hadoop.ipc.Client.call(Client.java:1407) ~[hadoop-common-2.7.1.jar:na]
    at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229) ~[hadoop-common-2.7.1.jar:na]
    at com.sun.proxy.$Proxy65.getFileInfo(Unknown Source) ~[na:na]
    at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771) ~[hadoop-hdfs-2.7.1.jar:na]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_141]
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_141]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_141]
    at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_141]
    at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187) ~[hadoop-common-2.7.1.jar:na]
    at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102) ~[hadoop-common-2.7.1.jar:na]
    at com.sun.proxy.$Proxy66.getFileInfo(Unknown Source) ~[na:na]
    at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2116) ~[hadoop-hdfs-2.7.1.jar:na]
    ... 33 common frames omitted

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        Improvement - An improvement or enhancement to an existing feature or task. HADOOP-14630 Contract Tests to verify create, mkdirs and rename under a file is forbidden

        • Major - Major loss of function.
        • Resolved

        Improvement - An improvement or enhancement to an existing feature or task. HDFS-12101 DFSClient.rename() to unwrap ParentNotDirectoryException; define policy for renames under a file

        • Minor - Minor loss of function, or other problem where easy workaround is present.
        • Resolved

        Improvement - An improvement or enhancement to an existing feature or task. DRILL-6540 Upgrade to HADOOP-3.0 libraries

        • Major - Major loss of function.
        • Closed
        links to

        Web Link GitHub Pull Request #1969

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            volodymyr Vova Vysotskyi
            lammic Michele Lamarca
            Arina Ielchiieva Arina Ielchiieva
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