org.apache.wicket.WicketRuntimeException: Error attaching this container for rendering: [WebMarkupContainer [Component id = categoriesWrap]]

GitHub | kyleblythe | 9 months ago
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    stacktrace error when attempting to enable categories/categories & weighting (trunk-mysql)

    GitHub | 9 months ago | kyleblythe
    org.apache.wicket.WicketRuntimeException: Error attaching this container for rendering: [WebMarkupContainer [Component id = categoriesWrap]]

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at org.sakaiproject.gradebookng.tool.panels.SettingsCategoryPanel$8.populateItem()
    2. org.sakaiproject.gradebookng
      SettingsCategoryPanel$8.populateItem
      1. org.sakaiproject.gradebookng.tool.panels.SettingsCategoryPanel$8.populateItem(SettingsCategoryPanel.java:393)
      1 frame
    3. Wicket Core
      MarkupContainer.onBeforeRenderChildren
      1. org.apache.wicket.markup.html.list.ListView.onPopulate(ListView.java:523)
      2. org.apache.wicket.markup.repeater.AbstractRepeater.onBeforeRender(AbstractRepeater.java:123)
      3. org.apache.wicket.Component.internalBeforeRender(Component.java:949)
      4. org.apache.wicket.Component.beforeRender(Component.java:1017)
      5. org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1684)
      5 frames