assertEquals("java.lang.RuntimeException: Root cause error", exception.getMessage());

        // Test with null cause
        TransportException nullCauseException = new TransportException((Throwable) null);
        assertNull(nullCauseException.getCause());
    }

    @Test
    @DisplayName("Test constructor with message and cause creates exception with both")
    public void testConstructorWithMessageAndCause() {

/**
 * Handler for exceptions thrown by event subscribers.
 *
 * @since 16.0
 */
public interface SubscriberExceptionHandler {
  /** Handles exceptions thrown by subscribers. */
  void handleException(Throwable exception, SubscriberExceptionContext context);

        assertTrue(exception instanceof FessSystemException);
        assertTrue(exception instanceof RuntimeException);
        assertTrue(exception instanceof Exception);
        assertTrue(exception instanceof Throwable);
    }

    @Test
    public void test_stackTrace() {
        // Test that stack trace is populated
        UnsupportedSearchException exception = new UnsupportedSearchException("test message");

 */
@Deprecated
public class ExpressionDocumentationException extends Exception {
    static final long serialVersionUID = 1;

    public ExpressionDocumentationException(String message, Throwable cause) {
        super(message, cause);
    }

    public ExpressionDocumentationException(String message) {
        super(message);
    }

 */
package org.apache.maven.artifact.repository.metadata;

/**
 * Error while deploying repository metadata.
 *
 */
@Deprecated
public class RepositoryMetadataDeploymentException extends Throwable {
    public RepositoryMetadataDeploymentException(String message) {
        super(message);
    }

    public RepositoryMetadataDeploymentException(String message, Exception e) {
        super(message, e);
    }

  static class SomeUncheckedException extends RuntimeException {}

  static class SomeChainingException extends RuntimeException {
    public SomeChainingException(Throwable cause) {
      super(cause);
    }
  }

  private TestExceptions() {}

  static class SomeUncheckedException extends RuntimeException {}

  static class SomeChainingException extends RuntimeException {
    public SomeChainingException(Throwable cause) {
      super(cause);
    }
  }

  private TestExceptions() {}

  static class SomeUncheckedException extends RuntimeException {}

  static class SomeChainingException extends RuntimeException {
    public SomeChainingException(Throwable cause) {
      super(cause);
    }
  }

  private TestExceptions() {}

    /**
     *
     */
    private static final long serialVersionUID = -6090771282553728784L;

    IntrospectionException(String message) {
        super(message);
    }

    IntrospectionException(Throwable cause) {
        super(cause);
    }

  void awaitTerminated(long timeout, TimeUnit unit) throws TimeoutException;

  /**
   * Returns the {@link Throwable} that caused this service to fail.
   *
   * @throws IllegalStateException if this service's state isn't {@linkplain State#FAILED FAILED}.
   * @since 14.0
   */
  Throwable failureCause();

  /**
   * Registers a {@link Listener} to be {@linkplain Executor#execute executed} on the given