java.lang.NullPointerException

GitHub | mycFelix | 7 months ago
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Root Cause Analysis

  1. java.lang.NullPointerException

    No message provided

    at storm.kafka.KafkaSpout.open()
  2. storm.kafka
    KafkaSpout.open
    1. storm.kafka.KafkaSpout.open(KafkaSpout.java:80)
    1 frame
  3. backtype.storm.topology
    IRichSpoutDelegate.open
    1. backtype.storm.topology.IRichSpoutDelegate.open(IRichSpoutDelegate.java:43)
    1 frame
  4. com.twitter.heron
    Slave.run
    1. com.twitter.heron.instance.spout.SpoutInstance.start(SpoutInstance.java:125)
    2. com.twitter.heron.instance.Slave.startInstance(Slave.java:173)
    3. com.twitter.heron.instance.Slave.handleNewAssignment(Slave.java:159)
    4. com.twitter.heron.instance.Slave.access$200(Slave.java:40)
    5. com.twitter.heron.instance.Slave$1.run(Slave.java:85)
    6. com.twitter.heron.common.basics.WakeableLooper.executeTasksOnWakeup(WakeableLooper.java:142)
    7. com.twitter.heron.common.basics.WakeableLooper.runOnce(WakeableLooper.java:74)
    8. com.twitter.heron.common.basics.WakeableLooper.loop(WakeableLooper.java:64)
    9. com.twitter.heron.instance.Slave.run(Slave.java:169)
    9 frames
  5. Java RT
    Thread.run
    1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    3. java.lang.Thread.run(Thread.java:745)
    3 frames