remove dbunit log config for sharding-jdbc-server logback.xml

    <logger name="io.shardingjdbc" level="info" additivity="false">

        <appender-ref ref="console"/>

    </logger>

    <logger name="org.dbunit" level="info" additivity="false">

        <appender-ref ref="console"/>

    </logger>

    <logger name="io.shardingjdbc.core.executor.threadlocal.ExecutorExceptionHandler" level="off" />

    <logger name="org.dbunit.database.DatabaseTableMetaData" level="off" />

    <root>

        <level value="info" />