super(project, execTime, wallTime);
        this.cause = cause;
    }

    /**
     * Gets the cause of the build failure.
     *
     * @return The cause of the build failure or {@code null} if unknown.
     */
    public Throwable getCause() {
        return cause;
    }

     * Constructs a new TransportException with the specified cause.
     * @param rootCause the cause of this exception
     */
    public TransportException(final Throwable rootCause) {
        super(rootCause);
    }

    /**
     * Constructs a new TransportException with the specified detail message and cause.
     * @param msg the detail message
     * @param rootCause the cause of this exception
     */

     *              A {@code null} value is permitted, and indicates that the cause is nonexistent or unknown.
     * @since 3.8.3
     */
    public MojoExecutionException(Throwable cause) {
        super(cause);
    }

        super(message, cause);
    }

    /**
     * Constructs a new {@code AbstractMojoExecutionException} exception wrapping an underlying {@code Throwable}.
     *
     * @param cause the cause which is saved for later retrieval by the {@link #getCause()} method.
     *              A {@code null} value is permitted, and indicates that the cause is nonexistent or unknown.
     * @since 3.8.3

        this(session, project, null, cause);
    }

    public ProjectExecutionEvent(
            MavenSession session, MavenProject project, List<MojoExecution> executionPlan, Throwable cause) {
        this.session = session;
        this.project = project;
        this.executionPlan = executionPlan;
        this.cause = cause;
    }

    public MavenSession getSession() {

     *              A {@code null} value is permitted, and indicates that the cause is nonexistent or unknown.
     */
    public MojoException(Throwable cause) {
        super(cause);
    }

    public String getLongMessage() {
        return longMessage;
    }

    public Object getSource() {
        return source;
    }

     *                permitted, and indicates that the cause is nonexistent or unknown.
     */
    public InterpolatorException(String message, Throwable cause) {
        super(message, cause);
    }

            Throwable t = projectExecutionEvent.getCause();
            halted = (t instanceof RuntimeException || !(t instanceof Exception))
                    || !MavenExecutionRequest.REACTOR_FAIL_NEVER.equals(session.getReactorFailureBehavior())
                            && !MavenExecutionRequest.REACTOR_FAIL_AT_END.equals(session.getReactorFailureBehavior());
        }
        Throwable cause = projectExecutionEvent.getCause();

     */
    public int getNtStatus() {
        return this.status;
    }

    /**
     * Get the root cause of this exception (deprecated - use getCause() instead)
     *
     * @return cause
     */
    @Deprecated
    public Throwable getRootCause() {
        return this.getCause();
    }

    /**
     * @param e
     * @return a CIFS exception wrapped in an SmbException
     */

    private final Mojo mojo;

    private final Throwable cause;

    public MojoExecutionEvent(MavenSession session, MavenProject project, MojoExecution mojoExecution, Mojo mojo) {
        this(session, project, mojoExecution, mojo, null);
    }

    public MojoExecutionEvent(
            MavenSession session, MavenProject project, MojoExecution mojoExecution, Mojo mojo, Throwable cause) {
        this.session = session;