[jboss-user] [Beginner's Corner] - Singleton Timerbean cannot be installed

Ulrich Kriegel [https://community.jboss.org/people/ukriegel] created the discussion "Singleton Timerbean cannot be installed" To view the discussion, visit: https://community.jboss.org/message/736664#736664 -------------------------------------------------------------- Hi there, I'm new here and hope thats the correct forum to ask. If not, please, give me a a link to the correct one. I'm trying to install a simple timer bean in JBoss6.1.Final, which sould publish every 10 sec a Testmessage with content "foo" on a given Topic package foo.baz; import javax.annotation.Resource; import javax.ejb.LocalBean; import javax.ejb.Schedule; import javax.ejb.Singleton; import javax.ejb.Stateless; import javax.ejb.Timeout; import javax.jms.Connection; import javax.jms.ConnectionFactory; import javax.jms.JMSException; import javax.jms.MessageProducer; import javax.jms.Session; import javax.jms.TextMessage; import javax.jms.Topic; import org.apache.log4j.Logger; /** * Session Bean implementation class LifeEventTimer */ //@Singleton @Stateless @LocalBean public class LifeEventTimer{           private static Logger logger = Logger.getLogger(LifeEventTimer.class);           @Resource(mappedName="/ConnectionFactory")           private ConnectionFactory connectionFactory;           @Resource(mappedName="topic/Output")           private Topic topic;           private static String INTERNAL_LIFE_MESSAGE = "foo";           private String USER_NAME="foo";           private String PASSWD = "baz";     /**      * Default constructor.      */     public LifeEventTimer() {     }           public void send(final String messageText, String userName, String passwd) {                     try {                               Connection connection = connectionFactory.createConnection(userName, passwd);                               logger.trace("connection: "+connection);                               Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);                               logger.trace("session: "+session);                               MessageProducer publisher = session.createProducer(topic);                               logger.trace("publisher: "+publisher);                               final TextMessage message = session.createTextMessage(messageText);                               logger.debug("textMessage: " + message.getText());                               publisher.send(message);                               connection.close();                     } catch (JMSException e) {                               logger.error("JMSException: ", e);                     }           }             @Timeout           @Schedule(second = "*/10", minute = "*", hour = "*", persistent = false)           public void timeout() {                     send(INTERNAL_LIFE_MESSAGE,USER_NAME, PASSWD);           } } -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/736664#736664] Start a new discussion in Beginner's Corner at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]