java.lang.NullPointerException

GitHub | campanell | 5 months ago
  1. 0

    GitHub comment 98#231609097

    GitHub | 5 months ago | campanell
    java.lang.NullPointerException
  2. 0

    GitHub comment 98#236044231

    GitHub | 4 months ago | campanell
    java.lang.NullPointerException
  3. 0

    sparklyr remote connect : spark_connect()

    GitHub | 1 month ago | IrishBird
    java.lang.NullPointerException
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  5. 0

    Spark ThriftServer failed to start in secured mode

    Stack Overflow | 1 year ago | Kumar
    java.lang.NullPointerException
  6. 0

    MR fail cause by export SPARK_CLASSPATH

    GitHub | 1 year ago | AllenFang
    java.lang.NullPointerException

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at org.apache.spark.SparkContext.<init>()
    2. Spark
      SparkContext.<init>
      1. org.apache.spark.SparkContext.<init>(SparkContext.scala:583)
      1 frame
    3. Java RT
      Constructor.newInstance
      1. sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
      2. sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
      3. sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
      4. java.lang.reflect.Constructor.newInstance(Unknown Source)
      4 frames
    4. org.apache.spark
      RBackendHandler.channelRead0
      1. org.apache.spark.api.r.RBackendHandler.handleMethodCall(RBackendHandler.scala:162)
      2. org.apache.spark.api.r.RBackendHandler.channelRead0(RBackendHandler.scala:86)
      3. org.apache.spark.api.r.RBackendHandler.channelRead0(RBackendHandler.scala:38)
      3 frames
    5. Netty
      AbstractChannelHandlerContext.fireChannelRead
      1. io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105)
      2. io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:308)
      3. io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:294)
      3 frames