/**
 * This exception is thrown when a scheduled job fails.
 */
public class ScheduledJobException extends FessSystemException {

    private static final long serialVersionUID = 1L;

    /**
     * Constructor.
     * @param message Exception message.
     * @param cause Root cause for this exception.
     */
    public ScheduledJobException(final String message, final Throwable cause) {
        super(message, cause);
    }

        // Test constructor with null message
        ScheduledJobException exception = new ScheduledJobException(null);

        assertNull(exception.getMessage());
        assertNull(exception.getCause());
    }

    public void test_constructorWithNullMessageAndCause() {
        // Test constructor with null message and null cause
        ScheduledJobException exception = new ScheduledJobException(null, null);

            }
        } catch (final Exception e) {
            throw new ScheduledJobException("Failed to delete Job: " + scheduledJob, e);
        }
    }

    /**
     * Removes a scheduled job completely from the job manager.
     *
     * @param scheduledJob the scheduled job to remove
     * @throws ScheduledJobException if the job cannot be removed
     */

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.timer.TimeoutTask;
import org.codelibs.fess.Constants;
import org.codelibs.fess.exception.ScheduledJobException;
import org.codelibs.fess.helper.JobHelper;
import org.codelibs.fess.helper.SystemHelper;
import org.codelibs.fess.job.JobExecutor;
import org.codelibs.fess.opensearch.config.exentity.JobLog;

    }

    public void test_register_with_null_scheduledJob() {
        try {
            jobHelper.register((ScheduledJob) null);
            fail("Should throw ScheduledJobException");
        } catch (ScheduledJobException e) {
            assertEquals("No job.", e.getMessage());
        } catch (Exception e) {
            // Expected due to missing dependencies in test environment
            assertTrue(true);