assertEquals(
                "{\"@timestamp\":\"2022-01-01T00:00:00.000Z\",\"log.level\":\"INFO\",\"ecs.version\":\"1.2.0\",\"service.name\":\"fess\",\"event.dataset\":\"app\",\"process.thread.name\":\"main\",\"log.logger\":\"org.codelibs.fess.helper.ActivityHelperTest$1\",\"labels.action\":\"LOGIN\",\"labels.user\":\"-\",\"labels.permissions\":\"-\"}",
                localLogMsg.get());

* [fess_label_en.properties](https://github.com/codelibs/fess/blob/master/src/main/resources/fess_label_en.properties)
* [fess_message_en.properties](https://github.com/codelibs/fess/blob/master/src/main/resources/fess_message_en.properties)

        // /- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
        // copied from super's method and extends it
        // basically for JVN#14876762
        // thought not all problems are resolved however the main case is safety
        // - - - - - - - - - -/
        final ServletFileUpload upload = createServletFileUpload(request);
        prepareElementsHash();
        try {

        }
        final String webinfBase = root + base;
        if (Files.exists(Paths.get(webinfBase))) {
            return Paths.get(webinfBase, names);
        }
        final String srcWebInfBase = "src/main/webapps" + root + base;
        if (Files.exists(Paths.get(srcWebInfBase))) {
            return Paths.get(srcWebInfBase, names);
        }
        final String targetWebInfBase = "target/fess/" + root + base;

import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.mylasta.mail.CrawlerPostcard;
import org.codelibs.fess.timer.HotThreadMonitorTarget;
import org.codelibs.fess.timer.SystemMonitorTarget;
import org.codelibs.fess.util.ComponentUtil;
import org.codelibs.fess.util.SystemUtil;
import org.codelibs.fess.util.ThreadDumpUtil;
import org.dbflute.mail.send.hook.SMailCallbackContext;
import org.kohsuke.args4j.CmdLineException;

    /** The key of the configuration. e.g. true */
    String MAIL_SEND_MOCK = "mail.send.mock";

    /** The key of the configuration. e.g. localhost:25 */
    String MAIL_SMTP_SERVER_MAIN_HOST_AND_PORT = "mail.smtp.server.main.host.and.port";

    /** The key of the configuration. e.g. [Test] */
    String MAIL_SUBJECT_TEST_PREFIX = "mail.subject.test.prefix";

    /** The key of the configuration. e.g. root@localhost */

	<property name="webinf.dir" value="${basedir}/src/main/webapp/WEB-INF" />
	<property name="crawler.dir" value="${basedir}/src/main/webapp/WEB-INF/env/crawler" />
	<property name="suggest.dir" value="${basedir}/src/main/webapp/WEB-INF/env/suggest" />
	<property name="thumbnail.dir" value="${basedir}/src/main/webapp/WEB-INF/env/thumbnail" />
	<property name="site.dir" value="${basedir}/src/main/webapp/WEB-INF/site" />

						</data>
						<!-- Add bin directory -->
						<data>
							<type>files</type>
							<paths>
								<path>${project.basedir}/src/main/assemblies/files/fess</path>
								<path>${project.basedir}/src/main/assemblies/files/fess.in.sh</path>
								<path>${project.basedir}/src/main/assemblies/files/generate-thumbnail</path>
								<path>${project.basedir}/plugin.xml</path>
							</paths>

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.mylasta.mail;

import org.lastaflute.core.mail.LaTypicalPostcard;
import org.lastaflute.core.mail.MPCall;
import org.lastaflute.core.mail.Postbox;

/**
 * The postcard for MailFlute on LastaFlute.
 * @author FreeGen
 */
public class TestmailPostcard extends LaTypicalPostcard {

import org.codelibs.fess.helper.SystemHelper;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.mylasta.mail.EsStatusPostcard;
import org.codelibs.fess.util.ComponentUtil;
import org.dbflute.mail.send.hook.SMailCallbackContext;
import org.lastaflute.core.mail.Postbox;

public class PingSearchEngineJob {

    private static final Logger logger = LogManager.getLogger(PingSearchEngineJob.class);