java.lang.NullPointerException

helix-user | kishore g | 2 years ago
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  1. 0

    NPE during start up

    helix-user | 2 years ago | kishore g
    java.lang.NullPointerException

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at org.apache.helix.messaging.handling.HelixTaskExecutor.createMessageHandler()
    2. org.apache.helix
      ZkHelixParticipant.start
      1. org.apache.helix.messaging.handling.HelixTaskExecutor.createMessageHandler(HelixTaskExecutor.java:661)
      2. org.apache.helix.messaging.handling.HelixTaskExecutor.onMessage(HelixTaskExecutor.java:581)
      3. org.apache.helix.manager.zk.ZkCallbackHandler.invoke(ZkCallbackHandler.java:202)
      4. org.apache.helix.manager.zk.ZkCallbackHandler.init(ZkCallbackHandler.java:336)
      5. org.apache.helix.manager.zk.ZkCallbackHandler.<init>(ZkCallbackHandler.java:130)
      6. org.apache.helix.manager.zk.ZkHelixConnection.addListener(ZkHelixConnection.java:533)
      7. org.apache.helix.manager.zk.ZkHelixConnection.addMessageListener(ZkHelixConnection.java:267)
      8. org.apache.helix.manager.zk.ZkHelixParticipant.setupMsgHandler(ZkHelixParticipant.java:347)
      9. org.apache.helix.manager.zk.ZkHelixParticipant.init(ZkHelixParticipant.java:383)
      10. org.apache.helix.manager.zk.ZkHelixParticipant.onConnected(ZkHelixParticipant.java:401)
      11. org.apache.helix.manager.zk.ZkHelixParticipant.start(ZkHelixParticipant.java:428)
      11 frames
    3. com.example
      ProtostuffServerNode.spinUpParticipant
      1. com.example.ProtostuffServerNode.spinUpParticipant(ProtostuffServerNode.java:134)
      1 frame