Thanks both. I've solved the issue. My careless mistake for adding an optional reference and invoking the service in the wrong way.Amended my code as follow:@Reference private MailService mailService; private SlingHttpServletRequest slingRequest; /** * For JSP call via sling.getService(EmailService....

Hi,I am facing some issues with the MailService (com.day.cq.mailer.MailService), while sending a simple SMTP HtmlEmail via Java Servlet (OSGI Bundle).MailService has been referenced and bound as accordingly; however, it throws me with a java.lang.NullPointerException error at the point when I try to...