void (ExecutionEvent event) { MojoExecution mojoExec = event.getMojoExecution(); String projectId = event.getProject() == null ? "unknown" : event.getProject().getId(); if (mojoExec != null) { String errMessage = event.getException() == null ? "" : getErrorMessage(event.getException()); printMavenEventInfo(event.getType(), "source", String.valueOf(mojoExec.getSource()), "goal", mojoExec.getGoal(), "id", projectId, "error", errMessage); } else { if (event.getType() == ExecutionEvent.Type.SessionStarted) { printSessionStartedEventAndReactorData(event, projectId); } else { printMavenEventInfo(event.getType(), "id", projectId); } } }