java.lang.NullPointerException

Google Groups | Maurizio Gallelli | 2 months ago
  1. 0

    Realtime - Failed to persist merged index

    Google Groups | 2 months ago | Maurizio Gallelli
    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 io.druid.query.aggregation.LongSumAggregator.combineValues()
    2. Druid Processing
      IndexMerger$RowboatMergeFunction.apply
      1. io.druid.query.aggregation.LongSumAggregator.combineValues(LongSumAggregator.java:39)[druid-processing-0.8.1.jar:0.8.1]
      2. io.druid.query.aggregation.LongSumAggregatorFactory.combine(LongSumAggregatorFactory.java:78)[druid-processing-0.8.1.jar:0.8.1]
      3. io.druid.segment.IndexMerger$RowboatMergeFunction.apply(IndexMerger.java:1242)[druid-processing-0.8.1.jar:0.8.1]
      4. io.druid.segment.IndexMerger$RowboatMergeFunction.apply(IndexMerger.java:1218)[druid-processing-0.8.1.jar:0.8.1]
      4 frames
    3. Druid Common
      CombiningIterator.next
      1. io.druid.collections.CombiningIterator.next(CombiningIterator.java:78)[druid-common-0.8.1.jar:0.8.1]
      1 frame
    4. Druid Processing
      IndexMerger.mergeQueryableIndex
      1. io.druid.segment.IndexMerger.makeIndexFiles(IndexMerger.java:730)[druid-processing-0.8.1.jar:0.8.1]
      2. io.druid.segment.IndexMerger.merge(IndexMerger.java:336)[druid-processing-0.8.1.jar:0.8.1]
      3. io.druid.segment.IndexMerger.mergeQueryableIndex(IndexMerger.java:218)[druid-processing-0.8.1.jar:0.8.1]
      4. io.druid.segment.IndexMerger.mergeQueryableIndex(IndexMerger.java:207)[druid-processing-0.8.1.jar:0.8.1]
      4 frames
    5. Druid Server
      RealtimePlumber$4.doRun
      1. io.druid.segment.realtime.plumber.RealtimePlumber$4.doRun(RealtimePlumber.java:444)[druid-server-0.8.1.jar:0.8.1]
      1 frame
    6. Druid Common
      ThreadRenamingRunnable.run
      1. io.druid.common.guava.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:40)[druid-common-0.8.1.jar:0.8.1]
      1 frame
    7. Java RT
      Thread.run
      1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)[?:1.8.0_60]
      2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)[?:1.8.0_60]
      3. java.lang.Thread.run(Thread.java:745)[?:1.8.0_60]
      3 frames