specify variable context path in spring security (3.0.x)
We are developing "box" web-product, so I cannot foreseen the environment where application is deployed. This application uses spring-security. But it is appeared that if Tomcat placed application not at the root then following configuration fails:

    <sec:http auto-config="true" >
        ....
        <sec:form-login login-page="/ui/Login" />
    
Following recommendation: http://stackoverflow.com/a/6934712/149818 to use 

`#{servletContext.contextPath}` doesn't work. User instead of http://foo/myApp/ui/Login is redirected to http://foo/ui/Login

So my question is

 - either how to get #{servletContext.contextPath} alive
 - or how to force spring-security recognize actual contextPath
specify variable context path in spring security (3.0.x)
===

We are developing "box" web-product, so I cannot foreseen the environment where application is deployed. This application uses spring-security. But it is appeared that if Tomcat placed application not at the root then following configuration fails:

    <sec:http auto-config="true" >
        ....
        <sec:form-login login-page="/ui/Login" />
    
Following recommendation: http://stackoverflow.com/a/6934712/149818 to use 

`#{servletContext.contextPath}` doesn't work. User instead of http://foo/myApp/ui/Login is redirected to http://foo/ui/Login

So my question is

 - either how to get #{servletContext.contextPath} alive
 - or how to force spring-security recognize actual contextPath