java.lang.NullPointerException

Stack Overflow | Evan Zamir | 3 months ago
  1. 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.ml.regression.LinearRegression.train()
    2. org.apache.spark
      LinearRegression.train
      1. org.apache.spark.ml.regression.LinearRegression.train(LinearRegression.scala:164)
      2. org.apache.spark.ml.regression.LinearRegression.train(LinearRegression.scala:70)
      2 frames
    3. Spark Project ML Library
      Predictor.fit
      1. org.apache.spark.ml.Predictor.fit(Predictor.scala:90)
      2. org.apache.spark.ml.Predictor.fit(Predictor.scala:71)
      2 frames
    4. Java RT
      Method.invoke
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      4. java.lang.reflect.Method.invoke(Method.java:498)
      4 frames
    5. Py4J
      GatewayConnection.run
      1. py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:237)
      2. py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357)
      3. py4j.Gateway.invoke(Gateway.java:280)
      4. py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:128)
      5. py4j.commands.CallCommand.execute(CallCommand.java:79)
      6. py4j.GatewayConnection.run(GatewayConnection.java:211)
      6 frames
    6. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:745)
      1 frame