How to Enable Debug Logging for Log4j2

The following are sample logs extracted from the mule_ee.log file for Mule Runtime On-Premises

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+ Initializing app 'httptest'                                                  +

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INFO StatusLogger Found logging config for application 'domain/default/app/httptest' at 'file:/Users/adam/mule-enterprise-standalone/apps/httptest/log4j2.xml'

DEBUG StatusLogger Reconfiguration started for context[name=domain/default/app/httptest] at URI file:/Users/adam/mule-enterprise-standalone/apps/httptest/log4j2.xml (org.mule.runtime.module.log4j.internal.MuleLoggerContext@4636f003) with optional ClassLoader: null

DEBUG StatusLogger null null initializing configuration XmlConfiguration[location=/Users/adam/mule-enterprise-standalone/apps/httptest/log4j2.xml]

• Logs corresponding to the PatternLayout configuration in log4j2.xml file:
  <PatternLayout pattern="%-5p %d [%t] [processor: %X{processorPath}; event: %X{correlationId}] %c: %m%n"/>:

DEBUG StatusLogger Building Plugin[name=layout, class=org.apache.logging.log4j.core.layout.PatternLayout].

DEBUG StatusLogger PatternLayout$Builder(pattern="%-5p %d [%t] [processor: %X{processorPath}; event: %X{correlationId}] %c: %m%n", PatternSelector=null, Configuration(/Users/adam/mule-enterprise-standalone/apps/httptest/log4j2.xml), Replace=null, charset="null", alwaysWriteExceptions="null", disableAnsi="null", noConsoleNoAnsi="null", header="null", footer="null")

• Logs corresponding to the SizeBasedTriggeringPolicy configuration in log4j2.xml file:
  <SizeBasedTriggeringPolicy size="10 MB"/>:

DEBUG StatusLogger createPolicy(size="10 MB")

• Logs corresponding to the DefaultRolloverStrategy configuration in log4j2.xml file:
  <DefaultRolloverStrategy max="10"/>:

DEBUG StatusLogger DefaultRolloverStrategy$Builder(max="10", min="null", fileIndex="null", compressionLevel="null", ={}, stopCustomActionsOnError="null", tempCompressedFilePattern="null", Configuration(/Users/adam/mule-enterprise-standalone/apps/httptest/log4j2.xml))

DEBUG StatusLogger RollingFileAppender$Builder(fileName="/Users/adam/mule-enterprise-standalone/logs/httptest.log", filePattern="/Users/adam/mule-enterprise-standalone/logs/httptest-%i.log", append="null", locking="null", SizeBasedTriggeringPolicy(SizeBasedTriggeringPolicy(size=10485760)), DefaultRolloverStrategy(DefaultRolloverStrategy(min=1, max=10, useMax=true)), advertise="null", advertiseUri="null", createOnDemand="null", filePermissions="null", fileOwner="null", fileGroup="null", bufferedIo="null", bufferSize="null", immediateFlush="null", ignoreExceptions="null", PatternLayout(%-5p %d [%t] [processor: %X{processorPath}; event: %X{correlationId}] %c: %m%n), name="file", Configuration(/Users/adam/mule-enterprise-standalone/apps/httptest/log4j2.xml), Filter=null, ={})

TRACE StatusLogger New file '/Users/adam/mule-enterprise-standalone/logs/httptest.log' created = false

DEBUG StatusLogger Returning file creation time for /Users/adam/mule-enterprise-standalone/logs/httptest.log

DEBUG StatusLogger Starting RollingFileManager /Users/adam/mule-enterprise-standalone/logs/httptest.log

• Logs corresponding to the AsyncLogger configurations in log4j2.xml file:

        <AsyncLogger name="org.mule.runtime.core.internal.processor.LoggerMessageProcessor" level="INFO"/>

DEBUG StatusLogger AsyncLoggerConfig$Builder(additivity="null", level="INFO", levelAndRefs="null", name="org.mule.runtime.core.internal.processor.LoggerMessageProcessor", includeLocation="null", ={}, ={}, Configuration(/Users/adam/mule-enterprise-standalone/apps/httptest/log4j2.xml), Filter=null