[jira] [Commented] (LOG4J2-3416) Line Number Not getting printed in log file

[Volkan Yazici (Jira)]

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https://issues.apache.org/jira/browse/LOG4J2-3416?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17506095#comment-17506095
 ] 

Volkan Yazici commented on LOG4J2-3416:
---------------------------------------

[~sagarsalal], your configuration works for me without a problem.

I have adopted your {{log4j2.xml}} as follows:

{code:xml}
<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="WARN">
    <Appenders>

        <Routing name="RollingFile">
            <Routes pattern="$${ctx:env}">

                <Route key="mock">
                    <RollingFile name="RollingFilePerf" fileName="xyz.log" 
filePattern="/tmp/LOG4J2-3416/mock-xyz.log.%d{yyyy-MM-dd-HH-mm}.gz">
                        <PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss,SSS} 
[%t] %-5p %c{1.}.%M():%L %X - %m%n"/>
                        <Policies>
                            <TimeBasedTriggeringPolicy interval="60" 
modulate="true"/>
                        </Policies>
                    </RollingFile>
                </Route>

                <!-- This route is chosen if ThreadContext has no value for key 
ROUTINGKEY. -->
                <Route key="$${ctx:ROUTINGKEY}">
                    <RollingFile name="Rolling-default" fileName="xyz.log" 
filePattern="/tmp/LOG4J2-3416/unknown-xyz.log.%d{yyyy-MM-dd-HH-mm}.gz">
                        <PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss,SSS} 
[%t] %-5p %c{1.}.%M():%L %X - %m%n"/>
                        <Policies>
                            <TimeBasedTriggeringPolicy interval="60" 
modulate="true"/>
                        </Policies>
                    </RollingFile>
                </Route>

                <Route key="$${ctx:env}">
                    <RollingFile name="RollingFileProd" fileName="xyz.log" 
filePattern="/tmp/LOG4J2-3416/prod-xyz.log.%d{yyyy-MM-dd-HH-mm}.gz">
                        <PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss,SSS} 
[%t] %-5p %c{1.}.%M():%L %X - %m%n"/>
                        <Policies>
                            <TimeBasedTriggeringPolicy interval="60" 
modulate="true"/>
                        </Policies>
                    </RollingFile>
                </Route>

            </Routes>
        </Routing>

    </Appenders>

    <Loggers>

        <Logger name="com.xyz" additivity="false" includeLocation="true">
            <appender-ref ref="RollingFile" level="INFO"/>
        </Logger>

        <Root level="INFO">
            <AppenderRef ref="RollingFile"/>
        </Root>

    </Loggers>

</Configuration>
{code}

I have created a simple Java class:

{code:java}
package com.xyz;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.apache.logging.log4j.ThreadContext;

public class Log4j2_3416 {
    private static final Logger LOGGER = LogManager.getLogger();
    public static void main(String[] args) {
        ThreadContext.put("env", "mock");
        LOGGER.trace("this should not get logged");
        LOGGER.info("this should be logged");
    }
}
{code}

Ran the code against Log4j 2.17.2 and got the following output:

{code}
$ zcat /tmp/LOG4J2-3416/mock-xyz.log.2022-03-14-09-59.gz 
2022-03-14 09:51:16,630 [main] INFO  c.x.Log4j2_3416.main():12 {env=mock} - 
this should be logged
{code}

See the line number and the method name above.

> Line Number Not getting printed in log file
> -------------------------------------------
>
>                 Key: LOG4J2-3416
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-3416
>             Project: Log4j 2
>          Issue Type: Bug
>          Components: Appenders
>    Affects Versions: 2.17.0
>            Reporter: Sagar Salal
>            Priority: Major
>         Attachments: log4j2.xml
>
>
> I am not able to print line numbers in logs. I am using 2.17.0 version and 
> using pattern
> <PatternLayout
> pattern="%d\{yyyy-MM-dd HH:mm:ss,SSS} [%t] %-5p %logger\{36}:%L %X - %m%n" />.
>  
> I have tried with multiple patterns but issue still persists. It is basically 
> neglecting *%L.* Can anyone please have a look at this?



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