Why is it that context parameters are null outside the doGet block of a
servlet?
For example, suppose I have the following in web.xml:
<context-param>
<param-name>basepath</param-name>
<param-value>bob</param-value>
</context-param>
Why does Servlet 1 below print out "bob" while Sevlet 2 gives me a
NullPointerException error? Why isn't the context parameter available
outside the doGet block?
Servlet 1
==========
public class Hello extends HttpServlet{
public void doGet(HttpServletRequest request HttpServletResponse response)
throws IOException, ServletException{
PrintWriter out = response.getWriter();
out.println(getServletContext()getInitParameter("basepath"));
out.close();
}
}
Servlet 2
==========
public class Hello extends HttpServlet{
private String basepath = getServletContext()getInitParameter("basepath");
public void doGet(HttpServletRequest request HttpServletResponse response)
throws IOException, ServletException{
PrintWriter out = response.getWriter();
out.println(basepath);
out.close();
}
}
Thank you,
Mike
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