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getting null pointer exeception
Joined: Nov 06, 2001
Apr 11, 2002 09:47:00
I am geeting Null pointer exception if any of the fields which I am selecting in
HOw to deal with NULL values in JSP code.
I am using mysql database.
Author and ninkuma
Joined: Jan 10, 2002
Apr 11, 2002 12:56:00
The same way you would deal with them in any other Java code.
before you use the reference.
String xyz = request.getParameter( "whatever" ); if (xyz != null) xyz.trim();
A useful idiom in JSP:
String xyz = request.getParameter( "whatever" ); if (xyz == null) xyz = " "
Another, to safely compare strings when the parameter might be null:
if ("xyz".equals( request.getParameter( "whatever" )) ...
[ April 11, 2002: Message edited by: Bear Bibeault ]
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