What does this expression language ${pageContext.request.contextPath} exactly do in JSP EL?
The pageContext is an implicit object available in JSPs. The EL documentation says The context for the JSP page. Provides access to various objects including:servletContext: …session: …request: …response: … Thus this expression will get the current HttpServletRequest object and get the context path for the current request and append /JSPAddress.jsp to it to create a … Read more