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  ~ to you under the Apache License, Version 2.0 (the
  ~ "License"); you may not use this file except in compliance
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<configuration>
    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
        <encoder>
            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{60} %X{sourceThread} - %msg%n</pattern>
        </encoder>
    </appender>

    <root level="WARN">
        <appender-ref ref="STDOUT"/>
    </root>
    <logger name="org.apache.flink.streaming" level="WARN"/>
</configuration>