NULL « Struts « JSP-Servlet Q&A

1. Struts2, String null check

I'm trying to do a null check on a String but it won't work.

<s:iterator value="matrix" var="row">
       <s:iterator value="value" var="col">

2. javax.servlet.ServletException: null

Recieved the following error whilst testing a small apache strut based web application ive been working on, the crux of the matter is that somehow a null httpservletrequest request parameter was ...

3. Struts if evaluating a big decimal value of 0.0 as null

I have two big decimal fields x and y. If x is not null I would like to display x otherwise I would like to display y in a jsp. The ...

5. Struts, ''dataSource'' is null