I have followed the wiki regarding Repository Selectors for initialising log4j,
and have got it working for my web apps.
I am using struts 1.2 and in the struts actions, I can use log4j and have it
log properly. I also have a log statement inside the InitServlet where log4j is
initialised and it works too.
However when I try and log from inside a servlet filter the logging does not
get executed at all.
The filter is one to determine if a user is logged in, and if not redirect to
the login page. This is working as the redirection happens properly. However
the logging is not.
This works:
| public class InitServlet
| extends HttpServlet {
|
| private static Logger log;
|
| public void init(ServletConfig config)
| throws ServletException {
| super.init(config);
|
| ServletContext context = config.getServletContext();
|
| System.setProperty("log4j.log.dir",
getInitParameter("log4j.log_directory"));
|
| String configFile = getInitParameter("log4j.config_file");
|
| Log4JRepositorySelector.init(config, configFile);
| log = Logger.getLogger(getClass());
|
| log.debug("logging initialised");
|
| [snip]
| }
| }
|
This doesn't work:
| public class LoginFilter
| implements Filter {
|
| private Logger log = Logger.getLogger(getClass());
|
| public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain)
| throws IOException, ServletException {
| HttpServletRequest req = (HttpServletRequest)request;
|
| log.debug("uri = " + req.getRequestURI());
|
| [snip]
|
| // otherwise continue
| chain.doFilter(request, response);
| }
| }
|
Can someone shed some light on this please?
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