Using getDefaultSession istead of getSession in org/jboss/resource/adapter/mail/inflow/MailFolder.java ------------------------------------------------------------------------------------------------------ Key: JBAS-4124 URL: http://jira.jboss.com/jira/browse/JBAS-4124 Project: JBoss Application Server Issue Type: Bug Security Level: Public (Everyone can see) Components: JCA service Affects Versions: JBossAS-4.0.5.GA Environment: Linux Reporter: Ilya Assigned To: Weston Price Priority: Critical I'm using MDB of type org.jboss.resource.adapter.mail.inflow.MailListener it was working incorrectly. Sometimes, out of blue, it stopped fetching mail with exception (which I could see after fix from JBAS-3769): 2007-02-02 11:51:52,220 ERROR [MailActivation] Failed to execute folder check, spec=MailActivationSpec(mailServer=10.0.0.1, storeProtocol=imap, mailFolder=INBOX, pollingInterval=60000, messageSelector=null, userName=***, maxMessages=1) javax.mail.NoSuchProviderException: Invalid protocol: null at javax.mail.Session.getProvider(Session.java:412) at javax.mail.Session.getStore(Session.java:511) at javax.mail.Session.getStore(Session.java:491) at javax.mail.Session.getStore(Session.java:477) at org.jboss.resource.adapter.mail.inflow.MailFolder.open(MailFolder.java:69) at org.jboss.resource.adapter.mail.inflow.MailActivation.run(MailActivation.java:121) at org.jboss.resource.work.WorkWrapper.execute(WorkWrapper.java:204) at org.jboss.util.threadpool.BasicTaskWrapper.run(BasicTaskWrapper.java:275) at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExecutor.java:743) at java.lang.Thread.run(Thread.java:595) problem was fixed, when I applyed this patch: Index: src/main/org/jboss/resource/adapter/mail/inflow/MailFolder.java =================================================================== --- src/main/org/jboss/resource/adapter/mail/inflow/MailFolder.java (revision 60713) +++ src/main/org/jboss/resource/adapter/mail/inflow/MailFolder.java (working copy) @@ -64,7 +64,8 @@ throws Exception { // Get a session object - session = Session.getDefaultInstance(sessionProps); + session = Session.getInstance(sessionProps); + // Get a store object store = session.getStore(); store.connect(mailServer, userName, password); I believe that using getDefaultSession() was incorrect, because we don't need _defaul_ we need _our_ session =) Please plan this to be fixed. -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://jira.jboss.com/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira