java.lang.NullPointerException

Google Groups | Amran Chen | 5 months ago
  1. 0

    Hadoop S3 Error

    Google Groups | 5 months ago | Amran Chen
    java.lang.NullPointerException
  2. 0

    Android: Saving Map State in Google map

    Stack Overflow | 11 months ago | Junie Negentien
    java.lang.RuntimeException: Unable to resume activity {com.ourThesis.junieNegentien2015/com.ourThesis.junieNegentien2015.MainActivity}: java.lang.NullPointerException
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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at alluxio.client.block.UnderStoreBlockInStream.read()
    2. alluxio.client.block
      UnderStoreBlockInStream.read
      1. alluxio.client.block.UnderStoreBlockInStream.read(UnderStoreBlockInStream.java:134)
      1 frame
    3. alluxio.client.file
      FileInStream.read
      1. alluxio.client.file.FileInStream.read(FileInStream.java:208)
      1 frame
    4. alluxio.hadoop
      HdfsFileInputStream.read
      1. alluxio.hadoop.HdfsFileInputStream.read(HdfsFileInputStream.java:185)
      1 frame
    5. Java RT
      DataInputStream.read
      1. java.io.DataInputStream.read(DataInputStream.java:100)
      1 frame
    6. Hadoop
      LineReader.readLine
      1. org.apache.hadoop.util.LineReader.fillBuffer(LineReader.java:180)
      2. org.apache.hadoop.util.LineReader.readDefaultLine(LineReader.java:216)
      3. org.apache.hadoop.util.LineReader.readLine(LineReader.java:174)
      3 frames
    7. Hadoop
      YarnChild$2.run
      1. org.apache.hadoop.mapreduce.lib.input.LineRecordReader.skipUtfByteOrderMark(LineRecordReader.java:143)
      2. org.apache.hadoop.mapreduce.lib.input.LineRecordReader.nextKeyValue(LineRecordReader.java:183)
      3. org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.nextKeyValue(MapTask.java:553)
      4. org.apache.hadoop.mapreduce.task.MapContextImpl.nextKeyValue(MapContextImpl.java:80)
      5. org.apache.hadoop.mapreduce.lib.map.WrappedMapper$Context.nextKeyValue(WrappedMapper.java:91)
      6. org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:144)
      7. org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:784)
      8. org.apache.hadoop.mapred.MapTask.run(MapTask.java:341)
      9. org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:163)
      9 frames
    8. Java RT
      Subject.doAs
      1. java.security.AccessController.doPrivileged(Native Method)
      2. javax.security.auth.Subject.doAs(Subject.java:415)
      2 frames
    9. Hadoop
      UserGroupInformation.doAs
      1. org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1628)
      1 frame
    10. Hadoop
      YarnChild.main
      1. org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
      1 frame