I'm sending this to the dev group since I'm dealing w/ tomcat4.0 (catalina)
issues and not sure how far along filters are. I can't seem to get my
filters to work so I have a basic HelloWorld that I'm using. The output of
the jsp is what my problem is.
Everything seems to come up fine (running in stand-alone)
~/logs/catalina.out shows:
---- catalina.out ---------------------------
Starting service Tomcat-Apache
Apache Tomcat/4.0-b1
A shutdown would show:
Stopping service Tomcat-Standalone
Stopping service Tomcat-Apache
Starting service Tomcat-Standalone
Apache Tomcat/4.0-b1
In my ~logs/localhost_access*, the first GET (of my ~/demo/hello.jsp)
returns a 200 (after that it's a 302, anyway to force a non-cached GET?).
--------------------------------------------
The output of the hello.jsp:
_________________ this is supposed to be an <hr>
null
Check console output!
_________________ this is supposed to be an <hr>
----------------- my hello.jsp ---------------------
<html>
<head>
<title>Testing Filters</title>
</head>
<body>
<hr>
<p><%=request.getAttribute("hello")%></p>
<p>Check console output!</p>
<hr>
</body>
</html>
------------ my filter HelloWorld.java ------
package filters;
import javax.servlet.*;
public class HelloWorld extends GenericFilter
{
private FilterConfig FilterConfig;
public void doFilter(final ServletRequest request,
final ServletResponse response,
FilterChain chain) throws java.io.IOException,
javax.servlet.ServletException {
System.out.println("Entering HelloWorld Filter");
request.setAttribute("hello", "Hello World!");
chain.doFilter(request, response);
System.out.println("Entering HelloWorld Filter");
}
}
-------- my generic filter GenericFilter.java ---------
package filters;
import javax.servlet.*;
public class GenericFilter implements javax.servlet.Filter
{
private FilterConfig filterConfig;
public void doFilter(final ServletRequest request,
final ServletResponse response,
FilterChain chain)
throws java.io.IOException, javax.servlet.ServletException {
chain.doFilter(request, response);
}
public void setFilterConfig(final FilterConfig filterConfig) {
this.filterConfig = filterConfig;
}
public FilterConfig getFilterConfig() {
return filterConfig;
}
}
---------------- my web.xml ------------------------
<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE web-app
PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/j2ee/dtds/web-app_2_3.dtd">
<web-app>
<filter>
<filter-name>prePost</filter-name>
<filter-class>filters.PrePostFilter</filter-class>
</filter>
<filter>
<filter-name>helloWorld</filter-name>
<filter-class>filters.HelloWorld</filter-class>
</filter>
<filter-mapping>
<filter-name>prePost</filter-name>
<url-pattern>/demo/*</url-pattern>
</filter-mapping>
<filter-mapping>
<filter-name>helloWorld</filter-name>
<url-pattern>/demo/hello.jsp</url-pattern>
</filter-mapping>
<!--servlet>
<servlet-name>InsertApp</servlet-name>
<servlet-class>servlets.insertapp.InsertApp</servlet-class>
<init-param>
<param-name>debug</param-name>
<param-value>2</param-value>
</init-param>
</servlet>
<servlet-mapping>
<servlet-name>InsertApp</servlet-name>
<url-pattern>/InsertApp</url-pattern>
</servlet-mapping-->
</web-app>
----------------------------------------------------
On a side note: any docs on configuring catalinas, like, how to get it out
of stand-alone mode, and the configuration differences is has of previous
tomcat's (i.e. httpd.conf, etc...)
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