java.lang.NullPointerException

Google Groups | Jiří Kolb | 2 months ago
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Root Cause Analysis

  1. java.lang.NullPointerException

    No message provided

    at java.util.Objects.requireNonNull()
  2. Java RT
    Objects.requireNonNull
    1. java.util.Objects.requireNonNull(Objects.java:203)[?:1.8.0_101]
    1 frame
  3. graylog2-shared
    Activity.<init>
    1. org.graylog2.shared.system.activities.Activity.<init>(Activity.java:34)[graylog.jar:?]
    1 frame
  4. graylog2-inputs
    InputStateListener.inputStateChanged
    1. org.graylog2.inputs.InputStateListener.inputStateChanged(InputStateListener.java:57)[graylog.jar:?]
    1 frame
  5. Java RT
    Method.invoke
    1. sun.reflect.GeneratedMethodAccessor120.invoke(Unknown Source)[?:?]
    2. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)[?:1.8.0_101]
    3. java.lang.reflect.Method.invoke(Method.java:498)[?:1.8.0_101]
    3 frames
  6. Guava
    Subscriber$1.run
    1. com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:95)[graylog.jar:?]
    2. com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:154)[graylog.jar:?]
    3. com.google.common.eventbus.Subscriber$1.run(Subscriber.java:80)[graylog.jar:?]
    3 frames
  7. Metrics Core
    InstrumentedExecutorService$InstrumentedRunnable.run
    1. com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:176)[graylog.jar:?]
    1 frame
  8. Java RT
    Thread.run
    1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)[?:1.8.0_101]
    2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)[?:1.8.0_101]
    3. java.lang.Thread.run(Thread.java:745)[?:1.8.0_101]
    3 frames