?
Solved

Checking to see if the session is valid and not NULL

Posted on 2011-09-28
6
Medium Priority
?
204 Views
Last Modified: 2012-05-12
How can I check to make sure that my session is valid and not null?
0
Comment
Question by:jkteater
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 2
  • 2
  • 2
6 Comments
 
LVL 86

Accepted Solution

by:
CEHJ earned 200 total points
ID: 36717968
Something like
HttpSession s = req.getSession(false);
boolean validSession = (s != null);

Open in new window

0
 

Author Comment

by:jkteater
ID: 36718318
can you print out anything related to the session?

HttpSession s = req.getSession(false);

System.out.println( s.toString());
0
 
LVL 47

Expert Comment

by:for_yan
ID: 36718347
You cann printa arrayy of names:
String [] ss = session.getValueNames();
for(String s: ss)System.out.println(s);

Open in new window

0
VIDEO: THE CONCERTO CLOUD FOR HEALTHCARE

Modern healthcare requires a modern cloud. View this brief video to understand how the Concerto Cloud for Healthcare can help your organization.

 
LVL 47

Assisted Solution

by:for_yan
for_yan earned 200 total points
ID: 36718405
You may try tp print s.toString() but chances are you'll get some cryptic like Session@...(some numbers or something).
 And if you print list of stored filed names - that would be meaningful:

HttpSession session = req.getSession(false);
if(session != null){
String [] ss = session.getValueNames();
for(String s: ss)System.out.println(s);
}

Open in new window

0
 

Author Comment

by:jkteater
ID: 36718427
Thanks to Both of you
0
 
LVL 86

Expert Comment

by:CEHJ
ID: 36814180
:)
0

Featured Post

Independent Software Vendors: We Want Your Opinion

We value your feedback.

Take our survey and automatically be enter to win anyone of the following:
Yeti Cooler, Amazon eGift Card, and Movie eGift Card!

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Introduction This article is the first of three articles that explain why and how the Experts Exchange QA Team does test automation for our web site. This article explains our test automation goals. Then rationale is given for the tools we use to a…
In this post we will learn how to make Android Gesture Tutorial and give different functionality whenever a user Touch or Scroll android screen.
The viewer will learn how to implement Singleton Design Pattern in Java.
This tutorial explains how to use the VisualVM tool for the Java platform application. This video goes into detail on the Threads, Sampler, and Profiler tabs.
Suggested Courses
Course of the Month8 days, 5 hours left to enroll

765 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question