request.getParameter is null
Paid O'Cuana
Greenhorn
Posts: 24
posted 13 years ago
Hi,
I've transferred a website from a test server to a live one, which seemingly has the exact same set up, but I have one problem.
Whenever a parameter is sent in a URL, e.g.
www.website.com/script.jsp?action=enter
the action parameter isn't picked up.
This
String szAction = null;
szAction = request.getParameter("action");
System.out.println("Action is "+szAction);
results in "Action is null".
It's the same throughout the site since I moved it over. Running on Apache with mod_jk to tomcat 3.2.3
Any idea what the problem could be?
I've transferred a website from a test server to a live one, which seemingly has the exact same set up, but I have one problem.
Whenever a parameter is sent in a URL, e.g.
www.website.com/script.jsp?action=enter
the action parameter isn't picked up.
This
String szAction = null;
szAction = request.getParameter("action");
System.out.println("Action is "+szAction);
results in "Action is null".
It's the same throughout the site since I moved it over. Running on Apache with mod_jk to tomcat 3.2.3
Any idea what the problem could be?
Alex Kravets
Ranch Hand
Posts: 476
posted 13 years ago
I had the same problem. We used to run our applications on eWave web server and then moved to JBoss. All of a sudden some applications did not pick up parameters from URL. A workraround that worked for me was putting URL encoded fields into hidden form fields in the page:
I am not sure why I encountered this problem when moving to JBoss...
I am not sure why I encountered this problem when moving to JBoss...
All right brain, you don't like me and I don't like you, but let's just do this one thing so I can get back to killing you with beer.<br /> <br />- Homer Simpson
Paid O'Cuana
Greenhorn
Posts: 24
Alex Kravets
Ranch Hand
Posts: 476
posted 13 years ago
try this, in script.jsp just write:
Replacing 'action' with 'command'. In one application I did, I would get error when I passed parameter called delete, once I renamed it to deleteRecord everything worked fine.
Replacing 'action' with 'command'. In one application I did, I would get error when I passed parameter called delete, once I renamed it to deleteRecord everything worked fine.
All right brain, you don't like me and I don't like you, but let's just do this one thing so I can get back to killing you with beer.<br /> <br />- Homer Simpson
Paid O'Cuana
Greenhorn
Posts: 24
posted 13 years ago
Ok I've set up a test for this on two different servers. Click on the link that appears to view the output.
Server A Test
and
Server B Test
It works on Server B, but breaks down on Server A. You'll notice that request.getParameter gets the correct values from the URL in Server B, but it's null in Server A.
However, request.getQueryString() returns the proper query string in both examples.
Here's the source code used:
I've done a Tomcat re-install, hoping that might solve my problems, but got the same error. Has anyone encountered this problem before?
[ June 14, 2004: Message edited by: Paid O'Cuana ]
[ June 14, 2004: Message edited by: Paid O'Cuana ]
Server A Test
and
Server B Test
It works on Server B, but breaks down on Server A. You'll notice that request.getParameter gets the correct values from the URL in Server B, but it's null in Server A.
However, request.getQueryString() returns the proper query string in both examples.
Here's the source code used:
I've done a Tomcat re-install, hoping that might solve my problems, but got the same error. Has anyone encountered this problem before?
[ June 14, 2004: Message edited by: Paid O'Cuana ]
[ June 14, 2004: Message edited by: Paid O'Cuana ]
