Re: [jetty-users] NCSA request logging does not work for me

[Joakim Erdfelt <joakim@xxxxxxxxxxx>]

Can't put the RequestLogHandler after the DefaultHandler.

It will never be called, as DefaultHandler is the fallback for all unhandled prior requests. :-)

Best if you setup a hierarchy for your handlers instead.

server

  + -- RequestLogHandler

          + -- ResourceHandler

          + -- DefaultHandler

Like this ...

https://gist.github.com/joakime/27c42782c9a2712a1010

package jetty;

import java.io.File;

import java.net.InetSocketAddress;

import org.eclipse.jetty.server.Handler;

import org.eclipse.jetty.server.NCSARequestLog;

import org.eclipse.jetty.server.Server;

import org.eclipse.jetty.server.ServerConnector;

import org.eclipse.jetty.server.handler.DefaultHandler;

import org.eclipse.jetty.server.handler.HandlerList;

import org.eclipse.jetty.server.handler.RequestLogHandler;

import org.eclipse.jetty.server.handler.ResourceHandler;

public class RequestLogging

{

    public static void main(String[] args) throws Exception

    {

        Server server = new Server();

        ServerConnector connector = new ServerConnector(server);

        connector.setHost("localhost");

        connector.setPort(8765);

        server.addConnector(connector);

        // Setup directories and file references

        File userHomeDir = new File(System.getProperty("user.home"));

        File tmpDir = new File(userHomeDir, "tmp");

        File baseResourceDir = new File(tmpDir, "docroot");

        baseResourceDir.mkdirs();

        File logFile = new File(tmpDir, "access.log");

        logFile.getParentFile().mkdirs();

        

        // Create resource handler (for serving static content)

        ResourceHandler resourceHandler = new ResourceHandler();

        resourceHandler.setDirectoriesListed(true);

        resourceHandler.setWelcomeFiles(new String[] { "index.html" });

        resourceHandler.setResourceBase(baseResourceDir.getAbsolutePath());

        

        // Create request log handler (access log)

        NCSARequestLog requestLog = new NCSARequestLog(logFile.getAbsolutePath());

        requestLog.setExtended(true);

        RequestLogHandler requestLogHandler = new RequestLogHandler();

        requestLogHandler.setRequestLog(requestLog);

        requestLog.setAppend(true);

        

        // Create main handler list (the meat of what is being done)

        HandlerList mainHandlers = new HandlerList();

        mainHandlers.addHandler(resourceHandler);

        // default for all prior unhandled requests

        mainHandlers.addHandler(new DefaultHandler());

        // Make main handler list be tracked by request logging

        requestLogHandler.setHandler(mainHandlers);

        

        // Setup top level handler list, what the server uses

        HandlerList topLevelHandlers = new HandlerList();

        // NOTE: If you want some handlers to exist, and not be tracked by

        // the request log handler (such as rewrites), then declare them

        // outside of the scop of the requestLogHandler.

        // Example: baseHandler.addHandler(rewriteHandler);

        topLevelHandlers.addHandler(requestLogHandler);

        

        // Add top level handler list to server

        server.setHandler(topLevelHandlers);

        

        server.start();

        server.join();

    }

}

--

Joakim Erdfelt <joakim@xxxxxxxxxxx>

webtide.com - intalio.com/jetty

Expert advice, services and support from from the Jetty & CometD experts

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On Tue, Jul 1, 2014 at 3:23 AM, Robert Krüger <krueger@xxxxxxxxxxx> wrote:

I am trying to get a jetty instance, that I set up programmatically,
to write an access log. This is the code I use:

public class FileServer
{
  public static void main(String[] args) throws Exception
  {
    final InetSocketAddress serverAddress = new
InetSocketAddress("localhost", 8765);
    Server server = new Server(serverAddress);

    ResourceHandler resourceHandler = new ResourceHandler();
    resourceHandler.setDirectoriesListed(true);
    resourceHandler.setWelcomeFiles(new String[]{"index.html"});

    resourceHandler.setResourceBase("/Users/krueger/tmp");

    final File logFile = new
File("/Users/krueger/Library/Logs/StreamingTest/access.log");
    logFile.getParentFile().mkdirs();
    final NCSARequestLog requestLog = new
NCSARequestLog(logFile.getAbsolutePath());
    requestLog.setExtended(true);
    final RequestLogHandler requestLogHandler = new RequestLogHandler();
    requestLogHandler.setRequestLog(requestLog);
    requestLog.setAppend(true);

    HandlerList handlers = new HandlerList();
    handlers.setHandlers(new Handler[] { resourceHandler, new
DefaultHandler(), requestLogHandler });
    server.setHandler(handlers);

    server.start();
    server.join();
  }
}

The server works as expected and the log file is created but no
requests are logged. The file remains empty. What am I missing?

Thanks in advance,

Robert
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