Hi Andy, On Tue, 2017-02-14 at 14:05 -0800, Andreas Schaefer Sr. wrote: > While working on AEM 6.2 SP1 with a Servlet Filter > I came across issues with the Parameter Support > as they interfere with the Servlet Filters or at least > with Servlet Filters that are handled before entering > the “Sling domain”. > > 1) Because of the SlingHttpContext.handleSecurity() > the Parameter Support is created as one of the first > Servlet Filters. > 2) That Parameter Support reads the parameters from the > Servlet Input stream > > 3) The Parameter Support Request Wrapper is ditched later > > 4) Any later filter will not have access to the parameters > from the request > > 5) Any Filter that wraps the Servlet Request to change > either the Query String or Parameter(s) will do that in vein > as the stored Parameter Support in 1) will provide the > parameters for anything in Sling > > In my current project I am storing the Query String > which can be quite long in a Session and re-hydrate > that in a Filter. This worked in AEM 6.0 but now fails > due to the issues from above. > > I don’t mind the Parameter Support but it should > check in the getInstance() method if the request was wrapped > and if then update the parameters from it.
This is not my domain of expertise, but creating a new ticket with a failing test would make this issue easier to tackle. Thanks, Robert > > I think this issue is related to this ticket: > > https://issues.apache.org/jira/browse/SLING-3439?jql=text%20~%20%22Pa > rameterSupport%22 <https://issues.apache.org/jira/browse/SLING- > 3439?jql=text%20~%20%22ParameterSupport%22> > > Cheers - Andy Schaefer