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[jetty-users] LOG.info(), LOG.warn() not visible in log files
Good morning,

on CentOS 7 Linux I have installed Jetty as:

# java -jar /usr/share/java/jetty-distribution-9.4.6.v20170531/start.jar jetty.home=/usr/share/java/jetty-distribution-9.4.6.v20170531 jetty.base=/var/www/jetty-base --create-startd --add-to-start=http,servlet,webapp,deploy,resources,fcgi,websocket,proxy-protocol

and then start it as:

java -Djdbc.drivers=org.postgresql.Driver -jar /usr/share/java/jetty-distribution-9.4.6.v20170531/start.jar jetty.home=/usr/share/java/jetty-distribution-9.4.6.v20170531 jetty.base=/var/www/jetty-base jetty.http.host=127.0.0.1

In $JETTY_BASE/webapps I have 2 files to run my app (a custom WebSocketServlet) and to proxy Wordpress -

1) ws-slova.de.xml:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE Configure PUBLIC "-//Jetty//Configure//EN"
    "http://www.eclipse.org/jetty/configure_9_0.dtd">
<Configure class="org.eclipse.jetty.webapp.WebAppContext">

    <Set name="contextPath">/ws</Set>

    <Set name="virtualHosts">
            <Array type="java.lang.String">
                    <Item>slova.de</Item>
                    <Item>www.slova.de</Item>
            </Array>
    </Set>

    <Set name="war"><SystemProperty name="jetty.base"/>/webapps/ws-servlet-0.1-SNAPSHOT.war</Set>

    <Call name="insertHandler">
        <Arg>
            <New id="RequestLog" class="org.eclipse.jetty.server.handler.RequestLogHandler">
                <Set name="requestLog">
                    <New id="RequestLogImpl" class="org.eclipse.jetty.server.NCSARequestLog">
                        <Set name="filename">/var/log/jetty/ws-slova.de/yyyy_mm_dd.request.log</Set>
                        <Set name="filenameDateFormat">yyyy_MM_dd</Set>
                        <Set name="LogTimeZone">GMT</Set>
                        <Set name="retainDays">30</Set>
                        <Set name="append">true</Set>
                    </New>
                </Set>
            </New>
        </Arg>
    </Call>

</Configure>

2)  slova.de.xml:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE Configure PUBLIC "-//Mort Bay Consulting//DTD Configure//EN"
    "http://www.eclipse.org/jetty/configure_9_3.dtd">
<Configure class="org.eclipse.jetty.servlet.ServletContextHandler">

    <New id="root" class="java.lang.String">
        <Arg>/var/www/html/slova.de</Arg>
    </New>

    <Set name="contextPath">/</Set>

    <Set name="virtualHosts">
            <Array type="java.lang.String">
                    <Item>slova.de</Item>
                    <Item>www.slova.de</Item>
            </Array>
    </Set>

    <Set name="resourceBase"><Ref refid="root" /></Set>

    <Set name="welcomeFiles">
        <Array type="string">
                <Item>index.html</Item>
                <Item>index.php</Item>
        </Array>
    </Set>

    <Call name="addFilter">
        <Arg>org.eclipse.jetty.fcgi.server.proxy.TryFilesFilter</Arg>
        <Arg>/*</Arg>
        <Arg>
            <Call name="of" class="java.util.EnumSet">
                <Arg><Get name="REQUEST" class="javax.servlet.DispatcherType" /></Arg>
            </Call>
        </Arg>
        <Call name="setInitParameter">
            <Arg>files</Arg>
            <Arg>$path /index.php?p=$path</Arg>
        </Call>
    </Call>

    <Call name="addServlet">
        <Arg>
            <New class="org.eclipse.jetty.servlet.ServletHolder">
                <Arg>default</Arg>
                <Arg>
                    <Call name="forName" class="java.lang.Class">
                        <Arg>org.eclipse.jetty.servlet.DefaultServlet</Arg>
                    </Call>
                </Arg>
                <Call name="setInitParameter">
                    <Arg>dirAllowed</Arg>
                    <Arg>false</Arg>
                </Call>
                <Call name="setInitParameter">
                    <Arg>gzip</Arg>
                    <Arg>true</Arg>
                </Call>
            </New>
        </Arg>
        <Arg>/</Arg>
    </Call>

    <Call name="addServlet">
        <Arg>org.eclipse.jetty.fcgi.server.proxy.FastCGIProxyServlet</Arg>
        <Arg>*.php</Arg>
        <Call name="setInitParameter">
            <Arg>proxyTo</Arg>
            <Arg>http://localhost:9000</Arg>
        </Call>
        <Call name="setInitParameter">
            <Arg>prefix</Arg>
            <Arg>/</Arg>
        </Call>
        <Call name="setInitParameter">
            <Arg>scriptRoot</Arg>
            <Arg><Ref refid="root" /></Arg>
        </Call>
        <Call name="setInitParameter">
            <Arg>scriptPattern</Arg>
            <Arg>(.+?\\.php)</Arg>
        </Call>
    </Call>

    <Call name="insertHandler">
        <Arg>
            <New id="RequestLog" class="org.eclipse.jetty.server.handler.RequestLogHandler">
                <Set name="requestLog">
                    <New id="RequestLogImpl" class="org.eclipse.jetty.server.NCSARequestLog">
                        <Set name="filename">/var/log/jetty/slova.de/yyyy_mm_dd.request.log</Set>
                        <Set name="filenameDateFormat">yyyy_MM_dd</Set>
                        <Set name="LogTimeZone">GMT</Set>
                        <Set name="retainDays">30</Set>
                        <Set name="append">true</Set>
                    </New>
                </Set>
            </New>
        </Arg>
    </Call>

</Configure>

This works well, but I have one problem - in the log files

    /var/log/jetty/ws-slova.de/2017_08_30.request.log

    /var/log/jetty/slova.de/2017_08_30.request.log

I do not see any output by java directives LOG.info and LOG.warn, which I call in my servlet as -

import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;

public static final Logger LOG = Log.getLogger("slova");

public class MyListener implements WebSocketListener {

    @Override
    public void onWebSocketConnect(Session session) {
        LOG.info("onWebSocketConnect: {}", session);            // UNFORTUNATELY I DO NOT SEE THIS
        mSession = session;
    }

I have read https://www.eclipse.org/jetty/documentation/9.4.x/configuring-logging.html but I am still confused, what should I do? The doc talks about jetty-logging.properties file, should I create one?

Currently there is only one such file in $JETTY_HOME:

# cat /usr/share/java/jetty-distribution-9.4.6.v20170531/modules/logging-jetty/resources/jetty-logging.properties

## Force jetty logging implementation
#org.eclipse.jetty.util.log.class=org.eclipse.jetty.util.log.StdErrLog

## Set logging levels from: ALL, DEBUG, INFO, WARN, OFF
#org.eclipse.jetty.LEVEL=INFO
#com.example.LEVEL=INFO

## Hide stacks traces in logs?
#com.example.STACKS=false

## Show the source file of a log location?
#com.example.SOURCE=false

Am I really supposed to edit that file? I was thinking $JETTY_HOME files are not to be touched.

Regards
Alex





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