I have to migrate an old Java 8 app from Log4j 1.x to Log4j2 due to vulnerability, application is running fine without issues but logs are not appearing properly in log file.
This is the old log4j.xml file.
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/" debug="false">
<appender name="CONSOLE" class="org.apache.log4j.ConsoleAppender">
<param name="Threshold" value="ERROR" />
<layout class="org.apache.log4j.PatternLayout">
<param name="ConversionPattern" value="%d %-5p [%t] [%c] %m%n" />
</layout>
</appender>
<appender name="APPLOG" class="org.apache.log4j.RollingFileAppender">
<param name="File" value="@LOG_DIR@/@LOG_FILE_NAME@" />
<param name="Append" value="true" />
<param name="MaxFileSize" value="15MB" />
<param name="MaxBackupIndex" value="10" />
<param name="Threshold" value="@THRESHOLD@" />
<layout class="org.apache.log4j.PatternLayout">
<param name="ConversionPattern" value="%d %-5p [%t] [%c] %m%n" />
</layout>
</appender>
<appender name="AUDITLOG" class="org.apache.log4j.DailyRollingFileAppender">
<param name="File" value="@AUDIT_LOG_DIR@/@AUDIT_LOG_FILE_NAME@"/>
<param name="Append" value="true"/>
<param name="Threshold" value="INFO"/>
<param name="DatePattern" value="'.'yyyy-MM-dd-HH" />
<layout class="org.apache.log4j.PatternLayout">
<param name="ConversionPattern" value="[%t] %m%n"/>
</layout>
</appender>
<category name="com.abc" additivity="false">
<priority value="@THRESHOLD@" />
<appender-ref ref="APPLOG" />
</category>
<category name="org.httpclient" additivity="false">
<priority value="INFO" />
<appender-ref ref="APPLOG" />
</category>
<category name="org.springframework" additivity="false">
<priority value="INFO" />
<appender-ref ref="APPLOG" />
</category>
<category name="com.mchange.v2" additivity="false">
<priority value="INFO" />
<appender-ref ref="APPLOG" />
</category>
<category name="org.mortbay" additivity="false">
<priority value="INFO" />
<appender-ref ref="APPLOG" />
</category>
<category name="org.apache" additivity="false">
<priority value="INFO" />
<appender-ref ref="APPLOG" />
</category>
<category name="AUDIT_LOGGER" additivity="false">
<priority value="INFO" />
<appender-ref ref="AUDITLOG"/>
</category>
<!-- Setup the Root category -->
<root>
<priority value="@THRESHOLD@" />
<appender-ref ref="APPLOG" />
</root>
</log4j:configuration>
This is converted log4j2.xml file
<?xml version="1.0" encoding="UTF-8"?>
<Configuration>
<!--<Properties>
<Property name="logPath">target/cucumber-logs</Property>
<Property name="rollingFileName">cucumber</Property>
</Properties>-->
<Appenders>
<Console name="CONSOLE" target="SYSTEM_OUT">
<PatternLayout pattern="%d %-5p [%t] [%c] %m%n"/>
<ThresholdFilter level="ERROR"/>
</Console>
<RollingFile name="APPLOG" append="true"
fileName="@LOG_DIR@/@LOG_FILE_NAME@"
filePattern="@LOG_DIR@/@LOG_FILE_NAME@.%d{yyyy-MM-dd-HH}">
<PatternLayout pattern="%d %-5p [%t] [%c] %m%n"/>
<ThresholdFilter level="@THRESHOLD@"/>
<SizeBasedTriggeringPolicy size="15 MB"/>
<DefaultRolloverStrategy max="10"/>
</RollingFile>
<RollingFile name="AUDITLOG" append="true"
fileName="@AUDIT_LOG_DIR@/@AUDIT_LOG_FILE_NAME@"
filePattern="@AUDIT_LOG_DIR@/@AUDIT_LOG_FILE_NAME@.%d{yyyy-MM-dd-HH}">
<PatternLayout pattern="[%t] %m%n"/>
<ThresholdFilter level="INFO"/>
<!-- Causes a rollover once the date/time pattern no longer applies to the active file -->
<TimeBasedTriggeringPolicy modulate="true"/>
</RollingFile>
</Appenders>
<Loggers>
<!-- Category definitions -->
<Logger name="com.abc" level="@THRESHOLD@" additivity="false">
<AppenderRef ref="APPLOG"/>
</Logger>
<Logger name="org.httpclient" level="INFO" additivity="false">
<AppenderRef ref="APPLOG"/>
</Logger>
<Logger name="org.springframework" level="INFO" additivity="false">
<AppenderRef ref="APPLOG"/>
</Logger>
<Logger name="com.mchange.v2" level="INFO" additivity="false">
<AppenderRef ref="APPLOG"/>
</Logger>
<Logger name="org.mortbay" level="INFO" additivity="false">
<AppenderRef ref="APPLOG"/>
</Logger>
<Logger name="org.apache" level="INFO" additivity="false">
<AppenderRef ref="APPLOG"/>
</Logger>
<Logger name="AUDIT_LOGGER" level="INFO" additivity="false">
<AppenderRef ref="AUDITLOG"/>
</Logger>
<!-- Setup the Root category -->
<Root level="DEBUG">
<AppenderRef ref="APPLOG" level="@THRESHOLD@"/>
</Root>
</Loggers>
</Configuration>
Not sure what is missing/wrong in the log4j2 file but some logs only appear in Console and not in log file even though I am expecting exactly opposite.I have configured Console for only Error messages, and log file to contain messages like Info,Debug. I am clueless, can someone help here?
Note: @LOG_DIR@/@LOG_FILE_NAME@ - These variable values are replaced during build time.