>From: Laurie Harper <laurie <at> holoweb.net> >Subject: Re: Leading slash on forward causes problem in proxied environments<http://news.gmane.org/find-root.php?message_id=%3cdrop13%24ipn%241%40sea.gmane.org%3e> >Newsgroups: >gmane.comp.jakarta.struts.user<http://news.gmane.org/gmane.comp.jakarta.struts.user> >Date: 2006-01-31 22:40:35 GMT (23 hours ago)
J T wrote: > We have four environments: dev, int, stg, and prod. Each of these is fronted > by an apache server > that proxies to our weblogic application server. > > The URLs to the apps look like this > (dev) http://devserver.com/dev/Application > (int) http://intserver.com/int/Application > (stg) http://stgserver.com/stg/Application > (prod) http://prodserver.com/Application (no directory) > > > Two of my actions look like this > <action > path="/viewMain" > parameter=".Main" > name="myForm" > validate="false" > type="org.apache.struts.actions.ForwardAction" > scope="session"> > </action> > > <action > path="/processMain" > name="myForm" > input=".Main" > type="com.company.action.ProcessFormAction" > scope="session" > validate="true"> > <forward name="success" path="/viewNew.do"/> > </action> > > > When my jsp is rendered in the dev environment it looks like this… > > ... > <head> > <base href="http://devserver.com/Application/jsp/mainLayout.jsp";> > > ... > </head> > > ... > <form name="myForm" method="POST" action="/Application/processMain.do"> > <input type="text" name="mynbr" value=""> > <input type="submit" value="Submit"> > </form> > > ... > > So when I click submit the POST goes to http://devserver.com/Application/ > and not http://devserver.com/dev/Application > > I don't want to hard code my struts-config since this needs be > deployed to 4 places. > > I have read through the mailing list archives and the only viable > solution that I have seen is to create a base action that strips the > leading slash off of the forwards so that the POST goes back to > the right place. > > Is there a better way of doing this? >See: >http://struts.apache.org/struts-doc-1.2.x/userGuide/struts-html.html#base <http://struts.apache.org/struts-doc-1.2.x/userGuide/struts-html.html#base> >html:base tag, will set up your <base> element for you so you can use >relative URLs > >http://struts.apache.org/struts-doc-1.2.x/userGuide/struts-html.html#link <http://struts.apache.org/struts-doc-1.2.x/userGuide/struts-html.html#link> >html:link tag, helps construct URLs without having to know the >deployment context path, etc. > >Between the two, you should be able to make your application independent >of the path under which you deploy it. > >L. <html:base> did not work in this case because the leading slash on the form action would always send the browser back to /Application (e.g. even if changed my base to http://devserver.com/dev <http://devserver.com/Application/jsp/mainLayout.jsp> the form would still submit to http://devserver.com/Application <http://devserver.com/Application/jsp/mainLayout.jsp> I ended up creating my own struts-html.tld that specified my class for FormTag so I ended up with some like this: public class MyFormTag extends FormTag { protected void renderAction(StringBuffer results) { HttpServletResponse response =(HttpServletResponse) this.pageContext.getResponse(); // call our config file to get intermediate directory String intmdir = "/dev"; results.append(" action= " + intmdir ); results.append( response.encodeURL( TagUtils.getInstance().getActionMappingURL( this.action, this.pageContext))); results.append("\""); } } I hope that this is a *good* way to do this. It seems to work ok.
