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

GitHub | kyleblythe | 6 months ago
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    GitHub comment 3274#250586056

    GitHub | 6 months ago | kyleblythe
    org.apache.wicket.WicketRuntimeException: Error attaching this container for rendering: [Form [Component id = form]]

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at org.sakaiproject.gradebookng.tool.panels.importExport.GradeItemImportSelectionStep$6.populateItem()
    2. org.sakaiproject.gradebookng
      GradeItemImportSelectionStep$6.populateItem
      1. org.sakaiproject.gradebookng.tool.panels.importExport.GradeItemImportSelectionStep$6.populateItem(GradeItemImportSelectionStep.java:296)
      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