java.lang.NullPointerException

This exception has no message.

Solutions on the web123961

  • via Terracotta by Yanni, 1 year ago
    This exception has no message.
  • via Terracotta by deicool, 3 weeks ago
    This exception has no message.
  • via Terracotta by ystyle, 1 year ago
    This exception has no message.
  • Stack trace

    • java.lang.NullPointerException at org.apache.spark.storage.BlockManagerMaster.removeRdd(BlockManagerMaster.scala:104) at org.apache.spark.SparkContext.unpersistRDD(SparkContext.scala:1623) at org.apache.spark.rdd.RDD.unpersist(RDD.scala:203) at org.apache.spark.streaming.dstream.DStream$$anonfun$clearMetadata$3.apply(DStream.scala:469) at org.apache.spark.streaming.dstream.DStream$$anonfun$clearMetadata$3.apply(DStream.scala:468) at scala.collection.mutable.HashMap$$anon$2$$anonfun$foreach$3.apply(HashMap.scala:107) at scala.collection.mutable.HashMap$$anon$2$$anonfun$foreach$3.apply(HashMap.scala:107) at scala.collection.mutable.HashTable$class.foreachEntry(HashTable.scala:226) at scala.collection.mutable.HashMap.foreachEntry(HashMap.scala:39) at scala.collection.mutable.HashMap$$anon$2.foreach(HashMap.scala:107) at org.apache.spark.streaming.dstream.DStream.clearMetadata(DStream.scala:468) at org.apache.spark.streaming.dstream.DStream$$anonfun$clearMetadata$5.apply(DStream.scala:481) at org.apache.spark.streaming.dstream.DStream$$anonfun$clearMetadata$5.apply(DStream.scala:481)

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