You can access text labels in Java code from standard Wicket localizers for a Web page, then access the text string using a key and a class name. The class name allows you to search the class resource hierarchy, which is the same as searching static Wicket text labels in HTML templates.
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} catch (Exception e) {
LOG.error("# An error occurred while updating the consumer from friends list", e);
error(getLocalizer().getString("update.friend.error", this));
}
...