Setting up Mail Session on Tomcat 5.5

Question

I'm trying to set a MailSession trought Tomcat JNDI service. Actually i use Sun Web Server for production. I can put some attributes to the MailSession in SunAS, like store.protocol, user.password, and provider (obviously Sun!!)), but when i try it on Tomcat 5.5 i can't put these parameters, and application throws an exception.
i'm setting up my mail session as follows
    <Resource name="mail/sedna"
              auth="Container"
              type="javax.mail.Session"
              mail.smtp.host="myhost"
              mail.smtp.auth="true"
              mail.smtp.user="myuser"
              mail.smtp.password="mypassword" // Can i do this ?
              mail.from="myuser@myhost
              mail.smtp.class="com.sun.mail.smtp.SMTPTransport" />I put the mail.jar, and activation.jar into the Tomcat's classpath, but i get these error
javax.mail.NoSuchProviderException: No provider for Address type: rfc822
     at javax.mail.Session.getTransport(Session.java:516)
     at javax.mail.Transport.send0(Transport.java:155)
     at javax.mail.Transport.send(Transport.java:81)
....THX

Answer 1

The documentation for JNDI resource on the Tomcat 5.5 website isn't complete, or at least it doesn't show you how to setup a mail session using smtp authentication.
context.xml file:
<Resource name="mail/Session" auth="Container" type="javax.mail.Session" mail.smtp.host="mailhost" mail.smtp.auth="true" mail.smtp.user="myUsername" password="myPassword" mail.from="[email protected]"/>
web.xml file:
     <resource-ref>
          <description>Resource reference to a factory for javax.mail.Session instances that may be used for sending electronic mail messages, preconfigured to connect to the appropriate SMTP server.</description>
          <res-ref-name>mail/Session</res-ref-name>
          <res-type>javax.mail.Session</res-type>
          <res-auth>Container</res-auth>
     </resource-ref>
Finally, Your code should look like this...
          Context initCtx = new InitialContext();
          Context envCtx = (Context) initCtx.lookup("java:comp/env");
          Session session = (Session) envCtx.lookup("mail/Session");
          MimeMessage message = new MimeMessage( session );
I hope this helps someone.
Peace-
Russ