java.lang.NullPointerException

GitHub | jgilmore | 3 months ago
tip
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  1. 0
    samebug tip
    Try "File -> Invalidate Cache" and restarting, this should kill old indexing process and start a new one, wait until it's finished and let the project build.
  2. 0
    samebug tip
    This happens because of the background indexing processes, wait until it's finished to change values on the properties table.
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  4. 0

    Optaplanner Solving Phase Stuck in Construction Heuristic Phase

    Stack Overflow | 1 year ago | the.wizard
    java.lang.IllegalStateException: Solving failed.

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at com.droidquest.devices.DirectionalSensor.Function()
    2. com.droidquest.devices
      DirectionalSensor.Function
      1. com.droidquest.devices.DirectionalSensor.Function(DirectionalSensor.java:51)
      1 frame
    3. com.droidquest
      RoomDisplay$5.actionPerformed
      1. com.droidquest.RoomDisplay.Electricity(RoomDisplay.java:382)
      2. com.droidquest.RoomDisplay$5.actionPerformed(RoomDisplay.java:232)
      2 frames
    4. Java RT
      EventDispatchThread.pumpEvents
      1. javax.swing.Timer.fireActionPerformed(Timer.java:313)
      2. javax.swing.Timer$DoPostEvent.run(Timer.java:245)
      3. java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
      4. java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756)
      5. java.awt.EventQueue.access$500(EventQueue.java:97)
      6. java.awt.EventQueue$3.run(EventQueue.java:709)
      7. java.awt.EventQueue$3.run(EventQueue.java:703)
      8. java.security.AccessController.doPrivileged(Native Method)
      9. java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
      10. java.awt.EventQueue.dispatchEvent(EventQueue.java:726)
      11. java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
      12. java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
      13. java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
      14. java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
      14 frames