I think Tomcat creates a session, unless you tell it otherwise.
http://wiki.jboss.org/wiki/Wiki.jsp?page=DisableSessionPersistence I repeat the popular refrain "Google is your friend." Michael Rimov wrote: > Environment: Tomcat 5.5.17 using http connector, Servlet API 2.4. > > Hi All, > > I'm not sure where to go from here, so I'm going to assume it's a Catalina > issue and go from there. > > I was working on a front controller that wouldn't instantiate a session > unless absolutely necessary - (for scalability reasons) -- To my dismay, > I was seeing a session created anyway. > > After some debugging, I came across the source of my problem: > > The following JSP will generate a session token: > <%@ taglib uri="http://java.sun.com/jsp/jstl/core"; prefix="c" %> > <html> > <head> > <title>Example</title> > </head> > <body> > <h1>Sample Form</h1> > </body> > </html> > > > Here's the relevant stack trace. > > > RequestFacade.getSession(boolean) line: 822 > > ApplicationHttpRequest(HttpServletRequestWrapper).getSession(boolean) line: > 215 > ApplicationHttpRequest.getSession(boolean) line: 544 > ApplicationHttpRequest.getSession() line: 493 > PageContextImpl._initialize(Servlet, ServletRequest, > ServletResponse, String, boolean, int, boolean) line: 148 > PageContextImpl.initialize(Servlet, ServletRequest, ServletResponse, > String, boolean, int, boolean) line: 123 > JspFactoryImpl.internalGetPageContext(Servlet, ServletRequest, > ServletResponse, String, boolean, int, boolean) line: 104 > JspFactoryImpl.getPageContext(Servlet, ServletRequest, > ServletResponse, String, boolean, int, boolean) line: 61 > Example.jsp line: not available > Example_jsp(HttpJspBase).service(HttpServletRequest, > HttpServletResponse) line: 97 > Example_jsp(HttpServlet).service(ServletRequest, ServletResponse) > line: 802 > JspServletWrapper.service(HttpServletRequest, HttpServletResponse, > boolean) line: 332 > > In this case, the boolean value for creating the session is true. > > > I got some raw source code (older tomcat) and the _jspService looked like > this: > > > _jspxFactory = JspFactory.getDefaultFactory(); > response.setContentType("text/html"); > pageContext = _jspxFactory.getPageContext(this, request, response, > null, true, 8192, true); > _jspx_page_context = pageContext; > application = pageContext.getServletContext(); > config = pageContext.getServletConfig(); > session = pageContext.getSession(); > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > > > Is this really by design? Bug? Obviously, I'd rather not have a new > session created until I need it. > > Is this situation submittable as a bug or am I misusing the library? > > Thanks in advance! > > -Mike > > > > > > --------------------------------------------------------------------- > To start a new topic, e-mail: users@tomcat.apache.org > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > > --------------------------------------------------------------------- To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
