logback-test.xml

<?xml version="1.0" encoding="UTF-8"?>

<configuration>
    <logger name="org.apache.spark" level="WARN"/>
    <logger name="org.sparkproject" level="WARN"/>
    <logger name="org.apache.solr" level="WARN" />
    <logger name="ch.qos.logback" level="WARN" />

    <appender name="SystemErr"
              class="ch.qos.logback.core.ConsoleAppender" target="System.err">
        <target>System.err</target>
        <encoder>
            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
        </encoder>
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
            <level>ERROR</level>
        </filter>

    </appender>

    <appender name="SystemOut"
              class="ch.qos.logback.core.ConsoleAppender">
        <target>System.out</target>
        <encoder>
            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
        </encoder>
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
            <level>INFO</level>
        </filter>
    </appender>


    <appender name="DOC-CONVERSION-FAILED-ENTRIES-FILE"
              class="ch.qos.logback.core.FileAppender">
        <file>indexing-doc-conversion-failed-entries.error</file>
        <!-- overwrite previous log -->
        <append>false</append>
        <encoder>
            <pattern>%msg%n</pattern>
        </encoder>
    </appender>
    <!-- additivity=false ensures doc conversion data only goes to the doc conversion
        log -->
    <logger name="indexing-doc-conversion-failed-entries"
            level="DEBUG" additivity="false">
        <appender-ref ref="DOC-CONVERSION-FAILED-ENTRIES-FILE" />
    </logger>
    <appender name="STORE-WRITE-FAILED-ENTRIES-FILE"
              class="ch.qos.logback.core.FileAppender">
        <file>store-write-failed-entries.error</file>
        <!-- overwrite previous log -->
        <append>false</append>
        <encoder>
            <pattern>%msg%n</pattern>
        </encoder>
    </appender>
    <!-- additivity=false ensures doc write data only goes to the doc write
        log -->
    <logger name="store-write-failed-entries" level="DEBUG"
            additivity="false">
        <appender-ref ref="STORE-WRITE-FAILED-ENTRIES-FILE" />
    </logger>

    <root level="INFO">
        <appender-ref ref="SystemErr" />
        <appender-ref ref="SystemOut" />
    </root>
</configuration>