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Manage session with jsp/servlet

Posted on 2001-09-17
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Last Modified: 2013-11-24
Hi,

I have an intranet web application which is based on java servlet & jsp.
What is the best way to manage a user session ? & how ?



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Question by:kingasa
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7 Comments
 
LVL 16

Expert Comment

by:heyhey_
ID: 6487021
servlet API supports session management by default

read
javax.servlet.http.HttpSession documentation.
0
 

Expert Comment

by:sujatharathinam
ID: 6487062
In jsp just write
<%
request.getSession(true);
session.putValue("name",suja)
%>
while trying to get the session value..
just write
<%!
String name1;
%>
<%
name1 = (String)session.getValue("name");
%>
You can also store a array in a session.
In Servlets just instantiate HttpSession and then try to use the same code.
All The Best
0
 

Author Comment

by:kingasa
ID: 6487424
Just posted this Q please allow other pepole to comment.

How do I get the parameters values entered in one jsp from another jsp.

when will I use any of the technologies available,
url rewriting, cookies , etc..
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Accepted Solution

by:
andycandy earned 50 total points
ID: 6488895
hello kingasa!
HttpSession object instance is shared betwen every jsp pages and servlets wchich are requested by the same agent(browser I think) unless the user close the browser or session invalidate(the session timeout is specific for each servers, even for application and is configureable (see deployment descriptor or documentation for server and j2ee application)).
So,be sure you ommit the same parameter and its value from HttpSession object  on each jsp page and servlet.

If OrionServer is your server i can give you better approach.

Example
file://first.jsp
.
.
.
<%
 session.setAttribute("foo",new Integer(5));
%>
.

file://second.jsp
.
.
<%= session.getAttribute("foo")%>
...


you will see ..  5  .. instead of it


sorry for my english!

"8-) Andy


0
 

Author Comment

by:kingasa
ID: 6489535
when will I use url rewriting, cookies , etc..
0
 
LVL 16

Expert Comment

by:heyhey_
ID: 6490163
it seems that this question is quite attractive :)

most servlet engines have some configuration files that allow you to specify if you want to use cookies or URL rewriting - servlet engine handles all the low level stuff.
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by:Moondancer
ID: 6727897
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