Hi all,
I have added the following behavior to all page components:
..
public void onComponentTag(Component component, ComponentTag tag) {
if (...)
component.setEnabled(false);
}
However, when the page is rendered, the following exception is thrown
(see forward).
This looks like a misbehavior of the IBehavior!
Thanks
Nili
WicketMessage: Cannot modify component hierarchy during render phase
Root cause:
wicket.WicketRuntimeException: Cannot modify component hierarchy during
render phase
at wicket.Page.checkHierarchyChange(Page.java:1040)
at wicket.Page.componentStateChanging(Page.java:957)
at wicket.Component.addStateChange(Component.java:2273)
at wicket.Component.setEnabled(Component.java:1845)
at
com.qlusters.qrm.web.wicket.behavior.DisableBehavior.onComponentTag(DisableBehavior.java:42)
at wicket.Component.renderComponentTag(Component.java:2703)
at wicket.Component.renderComponent(Component.java:1666)
at wicket.markup.html.WebComponent.onRender(WebComponent.java:61)
at wicket.Component.render(Component.java:1511)
at wicket.MarkupContainer.renderNext(MarkupContainer.java:1332)
at wicket.MarkupContainer.renderComponentTagBody(MarkupContainer.java:980)
at wicket.MarkupContainer.onComponentTagBody(MarkupContainer.java:915)
at wicket.markup.html.form.Form.onComponentTagBody(Form.java:776)
at wicket.Component.renderComponent(Component.java:1675)
at wicket.MarkupContainer.onRender(MarkupContainer.java:925)
at wicket.markup.html.form.Form.onRender(Form.java:847)
at wicket.Component.render(Component.java:1511)
at wicket.MarkupContainer.renderNext(MarkupContainer.java:1332)
at wicket.MarkupContainer.renderComponentTagBody(MarkupContainer.java:980)
at wicket.MarkupContainer.onComponentTagBody(MarkupContainer.java:915)
at wicket.Component.renderComponent(Component.java:1675)
at wicket.MarkupContainer.onRender(MarkupContainer.java:925)
at wicket.Component.render(Component.java:1511)
at wicket.Component.render(Component.java:1477)
at wicket.MarkupContainer.autoAdd(MarkupContainer.java:196)
at
wicket.markup.resolver.MarkupInheritanceResolver.resolve(MarkupInheritanceResolver.java:66)
at wicket.MarkupContainer.renderNext(MarkupContainer.java:1359)
at wicket.MarkupContainer.renderComponentTagBody(MarkupContainer.java:980)
at wicket.MarkupContainer.onComponentTagBody(MarkupContainer.java:915)
at wicket.Component.renderComponent(Component.java:1675)
at wicket.MarkupContainer.onRender(MarkupContainer.java:925)
at wicket.Component.render(Component.java:1511)
at wicket.Component.render(Component.java:1477)
at wicket.MarkupContainer.autoAdd(MarkupContainer.java:196)
at
wicket.markup.resolver.MarkupInheritanceResolver.resolve(MarkupInheritanceResolver.java:73)
at wicket.MarkupContainer.renderNext(MarkupContainer.java:1359)
at wicket.MarkupContainer.renderComponentTagBody(MarkupContainer.java:980)
at wicket.MarkupContainer.onComponentTagBody(MarkupContainer.java:915)
at wicket.Component.renderComponent(Component.java:1675)
at wicket.MarkupContainer.onRender(MarkupContainer.java:925)
at wicket.Component.render(Component.java:1511)
at wicket.MarkupContainer.renderNext(MarkupContainer.java:1332)
at wicket.MarkupContainer.renderAll(MarkupContainer.java:942)
at wicket.Page.onRender(Page.java:867)
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