streams-testing/src/test/resources/logback-test.xml

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<configuration>
    <logger name="akka" level="WARN"/>
    <logger name="ch.qos.logback" level="ERROR"/>
    <logger name="com.mongodb" level="WARN"/>
    <logger name="com.foursquare" level="WARN"/>
    <logger name="com.google" level="WARN"/>
    <logger name="org.apache.streams.youtube" level="WARN"/>
    <logger name="io.dropwizard" level="WARN"/>
    <logger name="org.apache.streams" level="WARN"/>
    <logger name="org.apache.spark" level="WARN"/>
    <logger name="org.apache.hadoop" level="ERROR"/>
    <logger name="org.apache.pig" level="WARN"/>
    <logger name="org.apache.http" level="WARN"/>
    <logger name="org.elasticsearch" level="WARN"/>
    <logger name="org.reflections" level="WARN"/>
    <logger name="org.spark-project.jetty" level="WARN"/>
    <logger name="org.eclipse.jetty" level="WARN"/>
    <logger name="Remoting" level="WARN"/>
    <appender name="STDOUT"
              class="ch.qos.logback.core.ConsoleAppender">    <!-- encoders are assigned the type         ch.qos.logback.classic.encoder.PatternLayoutEncoder by default -->
        <encoder>
            <pattern>%-4relative [%thread] %-5level %logger{35} - %msg %n</pattern>
        </encoder>
    </appender>
    <root level="INFO">
        <appender-ref ref="STDOUT"/>
    </root>
</configuration>