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    Root Cause Analysis

    1. java.lang.NullPointerException

      null

      at co.cask.cdap.kafka.flow.KafkaConsumerFlowlet$4.apply()
    2. co.cask.cdap
      KafkaConsumerFlowlet.pollMessages
      1. co.cask.cdap.kafka.flow.KafkaConsumerFlowlet$4.apply(KafkaConsumerFlowlet.java:390)[cdap-kafka-flow-core-0.9.0.jar:na]
      2. co.cask.cdap.kafka.flow.KafkaConsumerFlowlet$4.apply(KafkaConsumerFlowlet.java:387)[cdap-kafka-flow-core-0.9.0.jar:na]
      3. co.cask.cdap.kafka.flow.KafkaConsumerFlowlet.decodeKey(KafkaConsumerFlowlet.java:275)[cdap-kafka-flow-core-0.9.0.jar:na]
      4. co.cask.cdap.kafka.flow.KafkaConsumerFlowlet.processMessage(KafkaConsumerFlowlet.java:246)[cdap-kafka-flow-core-0.9.0.jar:na]
      5. co.cask.cdap.kafka.flow.KafkaConsumerFlowlet.pollMessages(KafkaConsumerFlowlet.java:144)[cdap-kafka-flow-core-0.9.0.jar:na]
      5 frames
    3. Java RT
      Method.invoke
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)[na:1.7.0_75]
      2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)[na:1.7.0_75]
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)[na:1.7.0_75]
      4. java.lang.reflect.Method.invoke(Method.java:606)[na:1.7.0_75]
      4 frames
    4. co.cask.cdap
      FlowletProcessDriver$1.run
      1. co.cask.cdap.internal.app.runtime.flow.ReflectionProcessMethod.invoke(ReflectionProcessMethod.java:95)[co.cask.cdap.cdap-app-fabric-3.5.1.jar:na]
      2. co.cask.cdap.internal.app.runtime.flow.FlowletProcessDriver.handleProcessEntry(FlowletProcessDriver.java:246)[co.cask.cdap.cdap-app-fabric-3.5.1.jar:na]
      3. co.cask.cdap.internal.app.runtime.flow.FlowletProcessDriver.access$000(FlowletProcessDriver.java:61)[co.cask.cdap.cdap-app-fabric-3.5.1.jar:na]
      4. co.cask.cdap.internal.app.runtime.flow.FlowletProcessDriver$1.run(FlowletProcessDriver.java:194)[co.cask.cdap.cdap-app-fabric-3.5.1.jar:na]
      4 frames
    5. Java RT
      Thread.run
      1. java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)[na:1.7.0_75]
      2. java.util.concurrent.FutureTask.run(FutureTask.java:262)[na:1.7.0_75]
      3. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)[na:1.7.0_75]
      4. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)[na:1.7.0_75]
      5. java.lang.Thread.run(Thread.java:745)[na:1.7.0_75]
      5 frames