Mail check is performed correctly only once (after first timeout of pollingInterval) and then never again...

18:43:13,690 INFO [org.jboss.ejb3.deployers.JBossASKernel] installing bean: jboss.j2ee:ear=CTAEar.ear,jar=CTAEJB3.jar,name=MailBean,service=EJB3
18:43:13,690 INFO [org.jboss.ejb3.deployers.JBossASKernel] with dependencies:
18:43:13,690 INFO [org.jboss.ejb3.deployers.JBossASKernel] and demands:
18:43:13,690 INFO [org.jboss.ejb3.deployers.JBossASKernel] jboss.ejb:service=EJBTimerService; Required: Described
18:43:13,690 INFO [org.jboss.ejb3.deployers.JBossASKernel] and supplies:
18:43:13,690 INFO [org.jboss.ejb3.deployers.JBossASKernel] jndi:null
18:43:13,691 INFO [org.jboss.ejb3.deployers.JBossASKernel] Class:org.jboss.resource.adapter.mail.inflow.MailListener
18:43:13,691 INFO [org.jboss.ejb3.deployers.JBossASKernel] Added bean(jboss.j2ee:ear=CTAEar.ear,jar=CTAEJB3.jar,name=MailBean,service=EJB3) to KernelDeployment of: CTAEJB3.jar
18:43:13,741 INFO [org.jboss.ejb3.EJBContainer] STARTED EJB: com.contactulater.ba.MailBean ejbName: MailBean
***snip***
18:44:13,749 INFO [STDOUT] DEBUG: JavaMail version 1.4.2
18:44:13,760 INFO [STDOUT] DEBUG: successfully loaded resource: /META-INF/javamail.default.providers
18:44:13,761 INFO [STDOUT] DEBUG: Tables of loaded providers
18:44:13,761 INFO [STDOUT] DEBUG: Providers Listed By Class Name: {com.sun.mail.smtp.SMTPSSLTransport=javax.mail.Provider **snip**
18:44:13,763 INFO [STDOUT] DEBUG: successfully loaded resource: /META-INF/javamail.default.address.map
18:44:13,771 INFO [STDOUT] DEBUG: setDebug: JavaMail version 1.4.2
18:44:13,771 INFO [STDOUT] DEBUG: getProvider() returning javax.mail.Provider[STORE,imap,com.sun.mail.imap.IMAPStore,Sun Microsystems, Inc]
18:44:13,772 INFO [STDOUT] DEBUG: mail.imap.fetchsize: 16384
18:44:13,772 INFO [STDOUT] DEBUG: mail.imap.statuscachetimeout: 1000
18:44:13,773 INFO [STDOUT] DEBUG: mail.imap.appendbuffersize: -1
18:44:13,773 INFO [STDOUT] DEBUG: mail.imap.minidletime: 10
18:44:13,774 INFO [STDOUT] DEBUG: trying to connect to host "127.0.0.1", port 143, isSSL false
18:44:13,799 INFO [STDOUT] * OK **** Cyrus IMAP4 v2.2.13-Debian-2.2.13-19 server ready
18:44:13,800 INFO [STDOUT] A0 CAPABILITY
18:44:13,820 INFO [STDOUT] * CAPABILITY IMAP4 IMAP4rev1 ACL QUOTA LITERAL+ NAMESPACE UIDPLUS ID NO_ATOMIC_RENAME UNSELECT CHILDREN MULTIAPPEND BINARY SORT THREAD=ORDEREDSUBJECT THREAD=REFERENCES ANNOTATEMORE IDLE STARTTLS
18:44:13,821 INFO [STDOUT] A0 OK Completed
18:44:13,821 INFO [STDOUT] DEBUG: protocolConnect login, host=127.0.0.1, user=jbossra, password=<non-null>
18:44:13,844 INFO [STDOUT] A1 OK User logged in
18:44:13,845 INFO [STDOUT] A2 CAPABILITY
18:44:13,868 INFO [STDOUT] * CAPABILITY IMAP4 IMAP4rev1 ACL QUOTA LITERAL+ NAMESPACE UIDPLUS ID NO_ATOMIC_RENAME UNSELECT CHILDREN MULTIAPPEND BINARY SORT THREAD=ORDEREDSUBJECT THREAD=REFERENCES ANNOTATEMORE IDLE LOGINDISABLED
18:44:13,869 INFO [STDOUT] A2 OK Completed
18:44:13,870 INFO [STDOUT] A3 LIST "" INBOX
18:44:13,889 INFO [STDOUT] * LIST (\HasChildren) "." "INBOX"
18:44:13,890 INFO [STDOUT] A3 OK Completed (0.000 secs 4 calls)
18:44:13,891 INFO [STDOUT] DEBUG: connection available – size: 1
18:44:13,891 INFO [STDOUT] A4 SELECT INBOX
18:44:13,973 INFO [STDOUT] * FLAGS (\Answered \Flagged \Draft \Deleted \Seen)
18:44:13,973 INFO [STDOUT] * OK [PERMANENTFLAGS (\Answered \Flagged \Draft \Deleted \Seen \*)]
18:44:13,973 INFO [STDOUT] * 2 EXISTS
18:44:13,974 INFO [STDOUT] * 0 RECENT
18:44:13,974 INFO [STDOUT] * OK [UIDVALIDITY 1288029487]
18:44:13,974 INFO [STDOUT] * OK [UIDNEXT 4]
18:44:13,974 INFO [STDOUT] A4 OK [READ-WRITE] Completed
18:44:13,974 INFO [STDOUT] A5 SEARCH UNSEEN ALL
18:44:13,993 INFO [STDOUT] * SEARCH
18:44:13,993 INFO [STDOUT] A5 OK Completed (0 msgs in 0.000 secs)
18:44:13,993 INFO [STDOUT] A6 CLOSE
18:44:14,138 INFO [STDOUT] A6 OK Completed
18:44:14,138 INFO [STDOUT] DEBUG: added an Authenticated connection – size: 1
18:44:14,138 INFO [STDOUT] IMAP DEBUG: IMAPProtocol noop
18:44:14,138 INFO [STDOUT] A7 NOOP
18:44:14,156 INFO [STDOUT] A7 OK Completed
18:44:14,156 INFO [STDOUT] A8 LOGOUT
18:44:14,175 INFO [STDOUT] * BYE LOGOUT received
18:44:14,175 INFO [STDOUT] A8 OK Completed
18:44:14,176 INFO [STDOUT] DEBUG: IMAPStore connection dead
18:44:14,176 INFO [STDOUT] DEBUG: IMAPStore cleanup, force false
18:44:14,176 INFO [STDOUT] DEBUG: IMAPStore cleanup done

MDB implementation:

@MessageDriven(activationConfig=

{ @ActivationConfigProperty(propertyName="mailServer", propertyValue="127.0.0.1"), @ActivationConfigProperty(propertyName="mailFolder", propertyValue="INBOX"), @ActivationConfigProperty(propertyName="storeProtocol", propertyValue="imap"), @ActivationConfigProperty(propertyName="userName", propertyValue="jbossra"), @ActivationConfigProperty(propertyName="password", propertyValue="****"), @ActivationConfigProperty(propertyName="debug", propertyValue="true"), @ActivationConfigProperty(propertyName="starttls", propertyValue="false"), @ActivationConfigProperty(propertyName="pollingInterval", propertyValue="60000") }

)
@ResourceAdapter("mail-ra.rar")
public class MailBean implements MailListener {

public void onMessage(Message message) {
// Process the message
try

{ System.out.println("Message received:"+message.getSubject()); }

catch (MessagingException e)

{ e.printStackTrace(); }

}

}