java.lang.NullPointerException

  1. 0

    Error on Map Style Tutorial

    Geographic Information Systems | 1 year ago | Lloyd Smith
    java.lang.NullPointerException
  2. 0

    Android: Saving Map State in Google map

    Stack Overflow | 11 months ago | Junie Negentien
    java.lang.RuntimeException: Unable to resume activity {com.ourThesis.junieNegentien2015/com.ourThesis.junieNegentien2015.MainActivity}: java.lang.NullPointerException
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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at org.geotools.data.shapefile.ShapefileFeatureSource.getReaderInternal()
    2. org.geotools.data
      ContentFeatureCollection.features
      1. org.geotools.data.shapefile.ShapefileFeatureSource.getReaderInternal(ShapefileFeatureSource.java:336)
      2. org.geotools.data.shapefile.ShapefileFeatureStore.getReaderInternal(ShapefileFeatureStore.java:126)
      3. org.geotools.data.store.ContentFeatureSource.getReader(ContentFeatureSource.java:634)
      4. org.geotools.data.store.ContentFeatureCollection.features(ContentFeatureCollection.java:173)
      4 frames
    3. com.mycompany.mapselection
      App$1$1.onMouseClicked
      1. com.mycompany.mapselection.App.selectFeatures(App.java:167)
      2. com.mycompany.mapselection.App$1$1.onMouseClicked(App.java:132)
      2 frames
    4. org.geotools.swing
      DefaultMapMouseEventDispatcher.mouseClicked
      1. org.geotools.swing.event.DefaultMapMouseEventDispatcher.mouseClicked(DefaultMapMouseEventDispatcher.java:99)
      1 frame
    5. Java RT
      EventDispatchThread.run
      1. java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:270)
      2. java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:269)
      3. java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:269)
      4. java.awt.Component.processMouseEvent(Component.java:6519)
      5. javax.swing.JComponent.processMouseEvent(JComponent.java:3321)
      6. java.awt.Component.processEvent(Component.java:6281)
      7. java.awt.Container.processEvent(Container.java:2229)
      8. java.awt.Component.dispatchEventImpl(Component.java:4872)
      9. java.awt.Container.dispatchEventImpl(Container.java:2287)
      10. java.awt.Component.dispatchEvent(Component.java:4698)
      11. java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4832)
      12. java.awt.LightweightDispatcher.processMouseEvent(Container.java:4501)
      13. java.awt.LightweightDispatcher.dispatchEvent(Container.java:4422)
      14. java.awt.Container.dispatchEventImpl(Container.java:2273)
      15. java.awt.Window.dispatchEventImpl(Window.java:2719)
      16. java.awt.Component.dispatchEvent(Component.java:4698)
      17. java.awt.EventQueue.dispatchEventImpl(EventQueue.java:747)
      18. java.awt.EventQueue.access$300(EventQueue.java:103)
      19. java.awt.EventQueue$3.run(EventQueue.java:706)
      20. java.awt.EventQueue$3.run(EventQueue.java:704)
      21. java.security.AccessController.doPrivileged(Native Method)
      22. java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
      23. java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87)
      24. java.awt.EventQueue$4.run(EventQueue.java:720)
      25. java.awt.EventQueue$4.run(EventQueue.java:718)
      26. java.security.AccessController.doPrivileged(Native Method)
      27. java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
      28. java.awt.EventQueue.dispatchEvent(EventQueue.java:717)
      29. java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
      30. java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
      31. java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
      32. java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
      33. java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
      34. java.awt.EventDispatchThread.run(EventDispatchThread.java:91)
      34 frames