java.lang.Exception: java.lang.NullPointerException

Google Groups | Gian Merlino | 3 months ago
  1. 0

    Re: [druid-user] Spatial Indexing problem

    Google Groups | 3 months ago | Gian Merlino
    java.lang.Exception: java.lang.NullPointerException
  2. 0

    NPE occures in query.clone

    GitHub | 3 years ago | johnjaylward
    java.lang.NullPointerException
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  4. 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 com.google.common.collect.Iterables$3.transform()
    2. Guava
      Sets.newHashSet
      1. com.google.common.collect.Iterables$3.transform(Iterables.java:508)[guava-16.0.1.jar:?]
      2. com.google.common.collect.Iterables$3.transform(Iterables.java:505)[guava-16.0.1.jar:?]
      3. com.google.common.collect.TransformedIterator.next(TransformedIterator.java:48)[guava-16.0.1.jar:?]
      4. com.google.common.collect.Iterators$5.hasNext(Iterators.java:543)[guava-16.0.1.jar:?]
      5. com.google.common.collect.Iterators.addAll(Iterators.java:356)[guava-16.0.1.jar:?]
      6. com.google.common.collect.Sets.newHashSet(Sets.java:238)[guava-16.0.1.jar:?]
      7. com.google.common.collect.Sets.newHashSet(Sets.java:218)[guava-16.0.1.jar:?]
      7 frames
    3. Druid Processing
      OnheapIncrementalIndex.<init>
      1. io.druid.segment.incremental.SpatialDimensionRowTransformer.<init>(SpatialDimensionRowTransformer.java:63)[druid-processing-0.9.1.1.jar:0.9.1.1]
      2. io.druid.segment.incremental.IncrementalIndex.<init>(IncrementalIndex.java:435)[druid-processing-0.9.1.1.jar:0.9.1.1]
      3. io.druid.segment.incremental.OnheapIncrementalIndex.<init>(OnheapIncrementalIndex.java:67)[druid-processing-0.9.1.1.jar:0.9.1.1]
      4. io.druid.segment.incremental.OnheapIncrementalIndex.<init>(OnheapIncrementalIndex.java:124)[druid-processing-0.9.1.1.jar:0.9.1.1]
      4 frames
    4. Druid Hadoop
      IndexGeneratorJob$IndexGeneratorReducer.reduce
      1. io.druid.indexer.IndexGeneratorJob.makeIncrementalIndex(IndexGeneratorJob.java:233)[druid-indexing-hadoop-0.9.1.1.jar:0.9.1.1]
      2. io.druid.indexer.IndexGeneratorJob.access$000(IndexGeneratorJob.java:93)[druid-indexing-hadoop-0.9.1.1.jar:0.9.1.1]
      3. io.druid.indexer.IndexGeneratorJob$IndexGeneratorReducer.reduce(IndexGeneratorJob.java:551)[druid-indexing-hadoop-0.9.1.1.jar:0.9.1.1]
      4. io.druid.indexer.IndexGeneratorJob$IndexGeneratorReducer.reduce(IndexGeneratorJob.java:469)[druid-indexing-hadoop-0.9.1.1.jar:0.9.1.1]
      4 frames
    5. Hadoop
      LocalJobRunner$Job$ReduceTaskRunnable.run
      1. org.apache.hadoop.mapreduce.Reducer.run(Reducer.java:171)[hadoop-mapreduce-client-core-2.3.0.jar:?]
      2. org.apache.hadoop.mapred.ReduceTask.runNewReducer(ReduceTask.java:627)[hadoop-mapreduce-client-core-2.3.0.jar:?]
      3. org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:389)[hadoop-mapreduce-client-core-2.3.0.jar:?]
      4. org.apache.hadoop.mapred.LocalJobRunner$Job$ReduceTaskRunnable.run(LocalJobRunner.java:319)[hadoop-mapreduce-client-common-2.3.0.jar:?]
      4 frames
    6. Java RT
      Thread.run
      1. java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)[?:1.8.0]
      2. java.util.concurrent.FutureTask.run(FutureTask.java:266)[?:1.8.0]
      3. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)[?:1.8.0]
      4. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)[?:1.8.0]
      5. java.lang.Thread.run(Thread.java:744)[?:1.8.0]
      5 frames