java.io.FileNotFoundException: File does not exist: /home/hdadmin/homework.dat

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    java.io.FileNotFoundException: File does not exist: /home/hdadmin/homework.dat
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    java.io.FileNotFoundException: File does not exist: /user/hduser/temp/preparePreferenceMatrix/numUsers.bin
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    org.apache.crunch.CrunchRuntimeException: Could not read runtime node information

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    Root Cause Analysis

    1. java.io.FileNotFoundException

      File does not exist: /home/hdadmin/homework.dat

      at org.apache.hadoop.hdfs.server.namenode.INodeFile.valueOf()
    2. Apache Hadoop HDFS
      ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod
      1. org.apache.hadoop.hdfs.server.namenode.INodeFile.valueOf(INodeFile.java:71)
      2. org.apache.hadoop.hdfs.server.namenode.INodeFile.valueOf(INodeFile.java:61)
      3. org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlockLocationsInt(FSNamesystem.java:1828)
      4. org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlockLocations(FSNamesystem.java:1799)
      5. org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlockLocations(FSNamesystem.java:1712)
      6. org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getBlockLocations(NameNodeRpcServer.java:587)
      7. org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getBlockLocations(ClientNamenodeProtocolServerSideTranslatorPB.java:365)
      8. org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
      8 frames
    3. Hadoop
      Server$Handler$1.run
      1. org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:616)
      2. org.apache.hadoop.ipc.RPC$Server.call(RPC.java:969)
      3. org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2049)
      4. org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2045)
      4 frames
    4. Java RT
      Subject.doAs
      1. java.security.AccessController.doPrivileged(Native Method)
      2. javax.security.auth.Subject.doAs(Subject.java:415)
      2 frames
    5. Hadoop
      Server$Handler.run
      1. org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
      2. org.apache.hadoop.ipc.Server$Handler.run(Server.java:2043)
      2 frames
    6. Java RT
      Constructor.newInstance
      1. sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
      2. sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
      3. sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
      4. java.lang.reflect.Constructor.newInstance(Constructor.java:526)
      4 frames
    7. Hadoop
      RemoteException.unwrapRemoteException
      1. org.apache.hadoop.ipc.RemoteException.instantiateException(RemoteException.java:106)
      2. org.apache.hadoop.ipc.RemoteException.unwrapRemoteException(RemoteException.java:73)
      2 frames
    8. Apache Hadoop HDFS
      DistributedFileSystem$3.doCall
      1. org.apache.hadoop.hdfs.DFSClient.callGetBlockLocations(DFSClient.java:1242)
      2. org.apache.hadoop.hdfs.DFSClient.getLocatedBlocks(DFSClient.java:1227)
      3. org.apache.hadoop.hdfs.DFSClient.getLocatedBlocks(DFSClient.java:1215)
      4. org.apache.hadoop.hdfs.DFSInputStream.fetchLocatedBlocksAndGetLastBlockLength(DFSInputStream.java:303)
      5. org.apache.hadoop.hdfs.DFSInputStream.openInfo(DFSInputStream.java:269)
      6. org.apache.hadoop.hdfs.DFSInputStream.<init>(DFSInputStream.java:261)
      7. org.apache.hadoop.hdfs.DFSClient.open(DFSClient.java:1540)
      8. org.apache.hadoop.hdfs.DistributedFileSystem$3.doCall(DistributedFileSystem.java:303)
      9. org.apache.hadoop.hdfs.DistributedFileSystem$3.doCall(DistributedFileSystem.java:299)
      9 frames
    9. Hadoop
      FileSystemLinkResolver.resolve
      1. org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
      1 frame
    10. Apache Hadoop HDFS
      DistributedFileSystem.open
      1. org.apache.hadoop.hdfs.DistributedFileSystem.open(DistributedFileSystem.java:299)
      1 frame
    11. Hadoop
      FileSystem.open
      1. org.apache.hadoop.fs.FileSystem.open(FileSystem.java:767)
      1 frame
    12. testing
      ParallelLocalToHdfsCopy.main
      1. testing.ParallelLocalToHdfsCopy.main(ParallelLocalToHdfsCopy.java:76)
      1 frame