daemon-m39/src/main/java/org/apache/maven/cli/DaemonMavenCli.java [695:729]:
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                .strong(Environment.MVND_ID.asString())
                .toString());

        MavenExecutionResult result = maven.execute(request);

        LoggingOutputStream.forceFlush(System.out);
        LoggingOutputStream.forceFlush(System.err);

        eventSpyDispatcher.onEvent(result);

        if (result.hasExceptions()) {
            ExceptionHandler handler = new DefaultExceptionHandler();

            Map<String, String> references = new LinkedHashMap<>();

            List<MavenProject> failedProjects = new ArrayList<>();

            for (Throwable exception : result.getExceptions()) {
                ExceptionSummary summary = handler.handleException(exception);

                logSummary(summary, references, "", cliRequest.showErrors);

                if (exception instanceof LifecycleExecutionException) {
                    MavenProject project = ((LifecycleExecutionException) exception).getProject();
                    if (project != null) {
                        failedProjects.add(project);
                    }
                }
            }

            slf4jLogger.error("");

            if (!cliRequest.showErrors) {
                slf4jLogger.error(
                        "To see the full stack trace of the errors, re-run Maven with the {} switch.",
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daemon-m40/src/main/java/org/apache/maven/cli/DaemonMavenCli.java [772:806]:
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                .strong(Environment.MVND_ID.asString())
                .toString());

        MavenExecutionResult result = maven.execute(request);

        LoggingOutputStream.forceFlush(System.out);
        LoggingOutputStream.forceFlush(System.err);

        eventSpyDispatcher.onEvent(result);

        if (result.hasExceptions()) {
            ExceptionHandler handler = new DefaultExceptionHandler();

            Map<String, String> references = new LinkedHashMap<>();

            List<MavenProject> failedProjects = new ArrayList<>();

            for (Throwable exception : result.getExceptions()) {
                ExceptionSummary summary = handler.handleException(exception);

                logSummary(summary, references, "", cliRequest.showErrors);

                if (exception instanceof LifecycleExecutionException) {
                    MavenProject project = ((LifecycleExecutionException) exception).getProject();
                    if (project != null) {
                        failedProjects.add(project);
                    }
                }
            }

            slf4jLogger.error("");

            if (!cliRequest.showErrors) {
                slf4jLogger.error(
                        "To see the full stack trace of the errors, re-run Maven with the {} switch.",
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