Hi, Try with Session.get().error(...) instead of component.error(....).
Martin Grigorov Wicket Training and Consulting https://twitter.com/mtgrigorov On Mon, Feb 29, 2016 at 5:28 PM, Patrick Davids < [email protected]> wrote: > Hi all, > is there any way to add a message when onBeforeRender() is called? > > I have a behavior for a special use-case which does some checks and > provides feedback to the user when a check is unsuccessfull. > > But I get a > org.apache.wicket.WicketRuntimeException: Cannot modify component > hierarchy after render phase has started (page version cant change then > anymore) > > I know this restriction... but I need this kind of check on render-time > not on configure-time of the component due to visibility issues. > > If someone has an idea how to fake "onBeforeRender()" some how to get my > feedback message... this would be great. > > Thanx and best regards > Patrick > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > >
