java.lang.NullPointerException: Required nonnull default for apps.gui.GuiLafPreferencesManager does not exist.

GitHub | geowar1 | 1 month ago
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  1. 0

    GitHub comment 2854#274243889

    GitHub | 1 month ago | geowar1
    java.lang.NullPointerException: Required nonnull default for apps.gui.GuiLafPreferencesManager does not exist.
  2. 0

    NamedBean must not be null error

    GitHub | 4 weeks ago | JasonJanzen
    java.lang.NullPointerException: bean must be nonnull
  3. 0

    GitHub comment 2473#259176182

    GitHub | 3 months ago | bobjacobsen
    java.lang.NullPointerException: Required nonnull default for jmri.ConsistManager does not exist.
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  5. 0

    GitHub comment 2854#272769638

    GitHub | 1 month ago | bobjacobsen
    java.util.ConcurrentModificationException

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Root Cause Analysis

  1. java.lang.NullPointerException

    Required nonnull default for apps.gui.GuiLafPreferencesManager does not exist.

    at java.util.Objects.requireNonNull()
  2. Java RT
    Objects.requireNonNull
    1. java.util.Objects.requireNonNull(Objects.java:228)
    1 frame
  3. jmri
    InstanceManager.getDefault
    1. jmri.InstanceManager.getDefault(InstanceManager.java:182)
    1 frame
  4. jmri.jmrit.display
    LayoutEditor.<init>
    1. jmri.jmrit.display.layoutEditor.LayoutEditor.<init>(LayoutEditor.java:169)
    1 frame