java.lang.NullPointerException

JIRA | Mingkai Qiu | 1 year ago
  1. 0

    NullPointerException in worker when the leader of master was switching.

    Google Groups | 1 year ago | 2748...@qq.com
    java.lang.NullPointerException
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  3. 0
    Assign onCickListener to imageView in ExpandableListView inside getChildView.
  4. 0
    The Fragment was destroyed, and getActivity() returned null. Don't destroy the Fragment.

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at tachyon.util.NetworkUtils.getFqdnHost()
    2. Tachyon Project Core
      TachyonWorker.main
      1. tachyon.util.NetworkUtils.getFqdnHost(NetworkUtils.java:143)
      2. tachyon.master.MasterClient.connect(MasterClient.java:183)
      3. tachyon.master.MasterClient.worker_register(MasterClient.java:817)
      4. tachyon.worker.WorkerStorage.register(WorkerStorage.java:780)
      5. tachyon.worker.WorkerStorage.initialize(WorkerStorage.java:336)
      6. tachyon.worker.TachyonWorker.<init>(TachyonWorker.java:206)
      7. tachyon.worker.TachyonWorker.createWorker(TachyonWorker.java:90)
      8. tachyon.worker.TachyonWorker.main(TachyonWorker.java:126)
      8 frames