java.lang.NullPointerException

Talend Open Integration Solution | lei ju | 6 months ago
  1. 0

    Talend Open Integration Solution | 6 months ago | lei ju
    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 org.apache.spark.storage.BlockManagerMaster.removeRdd()
    2. Spark
      RDD.unpersist
      1. org.apache.spark.storage.BlockManagerMaster.removeRdd(BlockManagerMaster.scala:104)
      2. org.apache.spark.SparkContext.unpersistRDD(SparkContext.scala:1623)
      3. org.apache.spark.rdd.RDD.unpersist(RDD.scala:203)
      3 frames
    3. Spark Project Streaming
      DStream$$anonfun$clearMetadata$3.apply
      1. org.apache.spark.streaming.dstream.DStream$$anonfun$clearMetadata$3.apply(DStream.scala:469)
      2. org.apache.spark.streaming.dstream.DStream$$anonfun$clearMetadata$3.apply(DStream.scala:468)
      2 frames
    4. Scala
      HashMap$$anon$2.foreach
      1. scala.collection.mutable.HashMap$$anon$2$$anonfun$foreach$3.apply(HashMap.scala:107)
      2. scala.collection.mutable.HashMap$$anon$2$$anonfun$foreach$3.apply(HashMap.scala:107)
      3. scala.collection.mutable.HashTable$class.foreachEntry(HashTable.scala:226)
      4. scala.collection.mutable.HashMap.foreachEntry(HashMap.scala:39)
      5. scala.collection.mutable.HashMap$$anon$2.foreach(HashMap.scala:107)
      5 frames
    5. Spark Project Streaming
      DStream$$anonfun$clearMetadata$5.apply
      1. org.apache.spark.streaming.dstream.DStream.clearMetadata(DStream.scala:468)
      2. org.apache.spark.streaming.dstream.DStream$$anonfun$clearMetadata$5.apply(DStream.scala:481)
      3. org.apache.spark.streaming.dstream.DStream$$anonfun$clearMetadata$5.apply(DStream.scala:481)
      3 frames