java.lang.IllegalArgumentException: A child with id 'sideHeaderColumns' already exists: [OrganisatieMeeteenhedenTree [Component id = boom]]

GitHub | dashorst | 2 years ago
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    GitHub | 2 years ago | dashorst
    java.lang.IllegalArgumentException: A child with id 'sideHeaderColumns' already exists: [OrganisatieMeeteenhedenTree [Component id = boom]]
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    Root Cause Analysis

    1. java.lang.IllegalArgumentException

      A child with id 'sideHeaderColumns' already exists: [OrganisatieMeeteenhedenTree [Component id = boom]]

      at org.apache.wicket.MarkupContainer.add()
    2. Wicket Core
      MarkupContainer.add
      1. org.apache.wicket.MarkupContainer.add(MarkupContainer.java:182)
      1 frame
    3. Wicket Extensions
      AbstractTree$TreeItem.onBeforeRender
      1. org.apache.wicket.extensions.markup.html.tree.table.TreeTable.addHeader(TreeTable.java:237)
      2. org.apache.wicket.extensions.markup.html.tree.table.TreeTable.onBeforeAttach(TreeTable.java:323)
      3. org.apache.wicket.extensions.markup.html.tree.AbstractTree.onBeforeRenderInternal(AbstractTree.java:612)
      4. org.apache.wicket.extensions.markup.html.tree.AbstractTree.access$300(AbstractTree.java:67)
      5. org.apache.wicket.extensions.markup.html.tree.AbstractTree$TreeItem.onBeforeRender(AbstractTree.java:341)
      5 frames
    4. Wicket Core
      Component.internalBeforeRender
      1. org.apache.wicket.Component.internalBeforeRender(Component.java:949)
      1 frame