}

    public boolean isSuccess() {
        return !(hasMissingArtifacts() || hasExceptions());
    }

    // ------------------------------------------------------------------------
    // Exceptions
    // ------------------------------------------------------------------------

    public boolean hasExceptions() {
        return exceptions != null && !exceptions.isEmpty();
    }

            for (Artifact artifact : result.getMissingArtifacts()) {
                System.err.println("Missing: " + artifact);
            }
        }

        if (result.hasExceptions()) {
            for (Exception e : result.getExceptions()) {
                e.printStackTrace();
            }
        }
    }

            return addExceptionToResult(
                    result, graphResult.getProblems().iterator().next().getException());
        }

        try {
            if (result.hasExceptions()) {
                return result;
            }

            result.setTopologicallySortedProjects(session.getProjects());

            result.setProject(session.getTopLevelProject());

            buffer.setLength(0);
        }
    }

    private void logResult(MavenSession session) {
        infoLine('-');
        MessageBuilder buffer = builder();

        if (session.getResult().hasExceptions()) {
            buffer.failure("BUILD FAILURE");
        } else {
            buffer.success("BUILD SUCCESS");
        }
        logger.info(buffer.toString());
    }

            buffer.setLength(0);
        }
    }

    private void logResult(MavenSession session) {
        infoLine('-');
        MessageBuilder buffer = builder();

        if (session.getResult().hasExceptions()) {
            buffer.failure("BUILD FAILURE");
        } else {
            buffer.success("BUILD SUCCESS");
        }
        logger.info(buffer.toString());
    }

            result = context.maven.execute(request);
            context.eventSpyDispatcher.onEvent(result);
        } finally {
            context.eventSpyDispatcher.close();
        }

        if (result.hasExceptions()) {
            ExceptionHandler handler = new DefaultExceptionHandler();
            Map<String, String> references = new LinkedHashMap<>();
            List<MavenProject> failedProjects = new ArrayList<>();