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Date: Thu, 20 Oct 2005 16:38:14 +0100
From: "Archana Mathur" <A.Mathur.1@warwick.ac.uk>
To: <users@tomcat.apache.org>
Subject: RE: Accessing resource from another context.. ..
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thanks Robert it works with this crossContext =3D "true" attribute.=20

>>> rgw@lsoft.com 10/20/05 04:21pm >>>
Remember that you have to configure your web context "app1" to
allow cross-context access. If you have not done so, the method
you call below will always return null.

So your context xml file should look similar to this here:

<Context docBase=3D"YOUR_DOC_BASE" crossContext=3D"true"/>

I.e. the parameter crossContext=3D"true" must be there, otherwise
all calls to getContext() with whatever cross-context path will
return null.

Robert

> -----Original Message-----
> From: Archana Mathur [mailto:A.Mathur.1@warwick.ac.uk]=20
> Sent: Thursday, October 20, 2005 5:03 PM
> To: <Tomcat Users List
> Subject: Accessing resource from another context.. ..
>=20
>=20
> Hi,
> I have got a jsp page a.jsp within tomcat 5.5.9 application=20
> (say app1). I need to access some other page a2  which is at=20
> different location ( at root context) within a.jsp.
> Example - http://localhost/app1/a.jsp - (a.jsp  wants access=20
> to other jsp which is at location (http://localhost/a2.jsp) -=20
> root context
> =20
> tag jsp:include  will only pick up pages from current context (app1)
> =20
> I added had some code in my jsp page  to make it working -
> ServletContext ctx =3D pageContext.getServletContext().getContext("/");
> String myUrl =3D "/a2.jsp";=20
>  RequestDispatcher dispatcher =3D ctx.getRequestDispatcher(myUrl);=20
>  dispatcher.include(request, response);
> Somehow getContext("/") returns me null. After reading=20
> getContext method ,it mentions - " In security conscious=20
> environments, the servlet engine can return null for a given=20
> URL."  What do I need to do so that this getContext("/")=20
> doen't return null value.=20
> =20
> Please help..
> =20
> Archana
> =20
>=20
>=20

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