The error reported was:
Processing IssuesController#gantt (for xxx.xxx.xxx.xxx at 2010-10-02 00:00:00) [POST]
Parameters: {"set_filter"=>"1", "action"=>"gantt", "authenticity_token"=>"XXX", "controller"=>"issues"}
Filter chain halted as [:authorize] rendered_or_redirected.
Completed in 14ms (View: 2, DB: 2) | 403 Forbidden [http://redmine.host.tld/issues/gantt?set_filter=1]
Quick patch to fix the issue:
Index: app/views/gantts/show.html.erb
===================================================================
--- app/views/gantts/show.html.erb (revision 4101)
+++ app/views/gantts/show.html.erb (working copy)
@@ -31,6 +31,7 @@
<%= link_to_remote l(:button_clear),
{ :url => { :set_filter => (@query.new_record? ? 1 : nil) },
:update => "content",
+ :method => :put,
}, :class => 'icon icon-reload' if @query.new_record? %>
</p>
<% end %>
I noticed that the apply button works as expected without the specific param. Is it due to the use of the form-builder or have I missed something?