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I have an use case where i need to load the Jmeter logs to elastic search without log-stash configurations.

The performance test case is being invoked using pom.xml jmeter-maven-plugin goal.

I wanted below message to be shipped into Elastic, 

[INFO] summary =    180 in 00:00:01 =  182.6/s Avg:     0 Min:     0 Max:     0 Err:   180 (100.00%)

I tried the below mentioned in documentation, instead of log4j2xml i used logback.xml.

(link)

Advanced Log Configuration If you add a "log4j2.xml" into the (defaults to ${project.base.directory}/src/test/conf) it will now be copied into the /bin folder. If one does not exist the default one supplied with JMeter will be used instead.

i also tried to provide the config file as

 mvn -X -DAPPCONFIG=home/App1 -Dlogback.configurationFile=file:path/to/conf/logback.xml -Duser.timezone=GMT com.lazerycode.jmeter:jmeter-maven-plugin:jmeter -Dtest=TestClass#testmethod

In both the cases the logback.xml is not being used. But i noticed that in git the pom.xml includes logback dependencies.

Any input, how to configure the logback.xml instead of log4j2.xml in the jmeter-maven-plugin?

Tim
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1 Answers1

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Looking into Send the Logs of a Java App to the Elastic Stack it appears that you need to:

  1. Add logstash-logback-encoder to JMeter Classpath by adding the next line to pom.xml file:

    <testPlanLibraries>
     <artifact>net.logstash.logback:logstash-logback-encoder:6.2</artifact>
</testPlanLibraries>

  2. Place a copy of log4j2.xml file to src/test/conf folder of your Maven project and configure JMeter logging according to your requirements. Make sure to add Logstash appender to it like:

    <appender name="STASH" class="ch.qos.logback.core.rolling.RollingFileAppender">
    <file>/desired/location/of/the/log/file</file>
    <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
        <fileNamePattern>/desired/location/of/the/log/file.%d{yyyy-MM-dd}.log</fileNamePattern>
        <maxHistory>7</maxHistory>
    </rollingPolicy>
    <encoder class="net.logstash.logback.encoder.LogstashEncoder"/>
</appender>
<root level="DEBUG">
    <appender-ref ref="STASH"/>
</root>

  3. That should be it, you can not point the logback.xml to read the configured file(s), convert the output to JSON and feed ELK stack with the data

Dmitri T
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