A ResourceReference wont be created for a resource with key [scope: de.agilecoders.wicket.extensions.markup.html.bootstrap.form.fileinput.FileinputCssReference; name: img/loading.gif; locale: null; style: null; variation: null] because it cannot be located.
A ResourceReference wont be created for a resource with key [scope: de.agilecoders.wicket.extensions.markup.html.bootstrap.form.fileinput.FileinputCssReference; name: img/loading.gif; locale: null; style: null; variation: null] because it cannot be located.
This looks like a regression of https://github.com/l0rdn1kk0n/wicket-bootstrap/issues/554. The img urls moved to
img/
in the Bootstrap FileInput update to 4.3.5 but the files weren't moved back.