</goals>
            <configuration>
              <module>com.google.common.ForceGuavaCompilation</module>
              <failOnError>true</failOnError>
              <logLevel>${gwt.logLevel}</logLevel>
              <generateJsInteropExports>true</generateJsInteropExports>
              <validateOnly>true</validateOnly>
              <sourceLevel>1.8</sourceLevel>
              <!--

    public void setLogLevel(final String level) {
        final Level logLevel = Level.toLevel(level, Level.WARN);
        System.setProperty(Constants.FESS_LOG_LEVEL, logLevel.toString());
        split(ComponentUtil.getFessConfig().getLoggingAppPackages(), ",")
                .of(stream -> stream.map(String::trim).filter(StringUtil::isNotEmpty).forEach(s -> Configurator.setLevel(s, logLevel)));
    }

    /**
     * Gets the current log level.