log4j2.xml

<?xml version="1.0" encoding="UTF-8"?>
<!-- Logging configuration for DSpace command line tools -->
<Configuration strict='true'
               xmlns='http://logging.apache.org/log4j/2.0/config'>

    <Properties>
        <!-- Default log file directory for DSpace.
             NOTE: The value of 'dspace.dir' will be replaced by its value in
             your configuration when DSpace is installed. -->
        <Property name='log.dir'>${log4j:configParentLocation}/../log</Property>

        <!-- Log level for all DSpace-specific code (org.dspace.*)
             Possible values (from most to least info):
	     DEBUG, INFO, WARN, ERROR, FATAL -->
        <Property name='loglevel.dspace'>INFO</Property>

        <!-- Log level for other third-party tools/APIs used by DSpace
             Possible values (from most to least info):
	     DEBUG, INFO, WARN, ERROR, FATAL -->
        <Property name='loglevel.other'>INFO</Property>
    </Properties>

    <Appenders>
        <!-- A1 is for most DSpace activity -->
        <Appender name='A1'
                  filePattern="${log.dir}/dspace.log-%d{yyyy-MM-dd}"
                  type='RollingFile'
                  fileName='${log.dir}/dspace.log'

        >
            <!-- NOTE: The %equals patterns are providing a default value of "unknown" if "correlationID" or
                 "requestID" are not currently set in the ThreadContext. -->
            <Layout type='PatternLayout'
                    pattern='%d %-5p %equals{%X{correlationID}}{}{unknown} %equals{%X{requestID}}{}{unknown} %c @ %m%n'/>
            <policies>
                <policy type='TimeBasedTriggeringPolicy'>yyyy-MM-dd</policy>
            </policies>
            <!-- Sample deletion policy:  keep last 30 archived files
            <DefaultRolloverStrategy>
                <Delete basePath='${log.dir}'>
                    <IfFileName glob='dspace.log-*'/>
                    <IfAccumulatedFileCount exceeds='30'/>
                </Delete>
            </DefaultRolloverStrategy>
            -->
        </Appender>

        <!-- A2 is for the checksum checker -->
        <Appender name='A2'
                  filePattern="${log.dir}/checker.log-%d{yyyy-MM-dd}"
                  type='RollingFile'
                  fileName='${log.dir}/checker.log'>
            <Layout type='PatternLayout'
                    pattern='%m%n'/>
            <policies>
                <policy type='TimeBasedTriggeringPolicy'>yyyy-MM-dd</policy>
            </policies>
            <!-- Sample deletion policy:  keep last 30 archived files
            <DefaultRolloverStrategy>
                <Delete basePath='${log.dir}'>
                    <IfFileName glob='checker.log-*'/>
                    <IfAccumulatedFileCount exceeds='30'/>
                </Delete>
            </DefaultRolloverStrategy>
            -->
        </Appender>

        <!-- A3 is for tracking file downloads  -->
        <Appender name='A3'
                  filePattern="${log.dir}/file_downloads.log-%d{yyyy-MM-dd}"
                  type='RollingFile'
                  fileName='${log.dir}/file_downloads.log'>
            <Layout type='PatternLayout'
                    pattern='%m%n'/>
            <policies>
                <policy type='TimeBasedTriggeringPolicy'>yyyy-MM-dd</policy>
            </policies>
        </Appender>

        <!-- A4 is for Warns and errors -->
        <Appender name='A4'
                  filePattern="${log.dir}/warn.log-%d{yyyy-MM-dd}"
                  type='RollingFile'
                  fileName='${log.dir}/warn.log'
        >
            <!-- NOTE: The %equals patterns are providing a default value of "unknown" if "correlationID" or
                 "requestID" are not currently set in the ThreadContext. -->
            <Layout type='PatternLayout'
                    pattern='%d %-5p %equals{%X{correlationID}}{}{unknown} %equals{%X{requestID}}{}{unknown} %c @ %m%n'/>
            <policies>
                <policy type='TimeBasedTriggeringPolicy'>yyyy-MM-dd</policy>
            </policies>
        </Appender>
    </Appenders>

    <Loggers>


        <!-- Most parts of DSpace -->
        <Logger name='org.dspace'
                level='${loglevel.dspace}'
                additivity='false'>
            <AppenderRef ref='A1'/>
            <AppenderRef ref="A4" level="WARN"/>
        </Logger>

        <!-- The checksum checker -->
        <Logger name='org.dspace.checker'
                level='INFO'
                additivity='false'>
            <AppenderRef ref='A2'/>
        </Logger>

        <!-- The file downloads -->
        <Logger name="org.dspace.app.statistics.clarin.ClarinMatomoBitstreamTracker"
                level="INFO"
                additivity="false">
            <AppenderRef ref="A3"/>
        </Logger>

        <!-- Block services logging except on exceptions -->
        <Logger name='org.dspace.kernel'
                level='ERROR'/>
        <Logger name='org.dspace.services'
                level='ERROR'/>
        <Logger name='org.dspace.servicemanager'
                level='WARN'/>
        <Logger name='org.dspace.providers'
                level='ERROR'/>
        <Logger name='org.dspace.utils'
                level='ERROR'/>

        <!-- Block passwords from being exposed in Axis logs. (DEBUG exposes passwords in Basic Auth) -->
        <Logger name='org.apache.axis.handlers.http.HTTPAuthHandler'
                level='INFO'/>
        <!-- Anything not a part of DSpace -->
        <Root level='${loglevel.other}'>
            <AppenderRef ref='A1'/>
            <AppenderRef ref="A4" level="WARN"/>
        </Root>
    </Loggers>
</Configuration>