java.lang.NullPointerException

GitHub | simon33-2 | 4 months ago
  1. 0

    Java で引数の null チェックで迷った話 - yukungのブログ

    hatenablog.com | 7 months ago
    java.lang.NullPointerException
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  3. 0

    alias in external repo causes unhandled exception

    GitHub | 7 months ago | wt
    java.lang.RuntimeException: Unrecoverable error while evaluating node 'CONFIGURED_TARGET:@nodejs_linux_amd64//:other_nodejs_tool null' (requested by nodes 'TARGET_COMPLETION:LabelAndConfiguration{label=@nodejs_linux_amd64//:other_nodejs_tool, configuration=null}')

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Root Cause Analysis

  1. java.lang.NullPointerException

    No message provided

    at com.google.common.base.Preconditions.checkNotNull()
  2. Guava
    Preconditions.checkNotNull
    1. com.google.common.base.Preconditions.checkNotNull(Preconditions.java:212)
    1 frame
  3. games.strategy.engine
    GameSelectorPanel.lambda$layoutComponents$100
    1. games.strategy.engine.framework.map.download.DownloadMapsWindow.showDownloadMapsWindow(DownloadMapsWindow.java:81)
    2. games.strategy.engine.framework.map.download.DownloadMapsWindow.showDownloadMapsWindow(DownloadMapsWindow.java:72)
    3. games.strategy.engine.framework.startup.ui.GameSelectorPanel.lambda$layoutComponents$100(GameSelectorPanel.java:188)
    3 frames
  4. games.strategy.ui
    SwingAction$2.actionPerformed
    1. games.strategy.ui.SwingComponents.lambda$newJButton$223(SwingComponents.java:164)
    2. games.strategy.ui.SwingAction$2.actionPerformed(SwingAction.java:51)
    2 frames
  5. Java RT
    BasicButtonListener.mouseReleased
    1. javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
    2. javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2348)
    3. javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
    4. javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
    5. javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
    5 frames
  6. org.pushingpixels.substance
    RolloverButtonListener.mouseReleased
    1. org.pushingpixels.substance.internal.utils.RolloverButtonListener.mouseReleased(RolloverButtonListener.java:124)
    1 frame
  7. Java RT
    EventDispatchThread.run
    1. java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:290)
    2. java.awt.Component.processMouseEvent(Component.java:6535)
    3. javax.swing.JComponent.processMouseEvent(JComponent.java:3324)
    4. java.awt.Component.processEvent(Component.java:6300)
    5. java.awt.Container.processEvent(Container.java:2236)
    6. java.awt.Component.dispatchEventImpl(Component.java:4891)
    7. java.awt.Container.dispatchEventImpl(Container.java:2294)
    8. java.awt.Component.dispatchEvent(Component.java:4713)
    9. java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4888)
    10. java.awt.LightweightDispatcher.processMouseEvent(Container.java:4525)
    11. java.awt.LightweightDispatcher.dispatchEvent(Container.java:4466)
    12. java.awt.Container.dispatchEventImpl(Container.java:2280)
    13. java.awt.Window.dispatchEventImpl(Window.java:2750)
    14. java.awt.Component.dispatchEvent(Component.java:4713)
    15. java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)
    16. java.awt.EventQueue.access$500(EventQueue.java:97)
    17. java.awt.EventQueue$3.run(EventQueue.java:709)
    18. java.awt.EventQueue$3.run(EventQueue.java:703)
    19. java.security.AccessController.doPrivileged(Native Method)
    20. java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
    21. java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86)
    22. java.awt.EventQueue$4.run(EventQueue.java:731)
    23. java.awt.EventQueue$4.run(EventQueue.java:729)
    24. java.security.AccessController.doPrivileged(Native Method)
    25. java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
    26. java.awt.EventQueue.dispatchEvent(EventQueue.java:728)
    27. java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
    28. java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
    29. java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
    30. java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
    31. java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
    32. java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
    32 frames