You can't. See this thread http://groups.google.com/group/google-appengine-java/browse_thread/thread/8e7e0e4ee2f491fa/b84d2e81a3cbc383?lnk=gst&q=socket#b84d2e81a3cbc383
On Sep 14, 12:33 pm, neoedmund <[email protected]> wrote: > i tried to make a pop3 client. > i add pop3.jar into /lib > when running, it said: java.lang.NoClassDefFoundError: com/sun/mail/ > util/PropUtil > at com.sun.mail.pop3.POP3Store.<init>(POP3Store.java:86) > at com.sun.mail.pop3.POP3Store.<init>(POP3Store.java:76) --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en -~----------~----~----~----~------~----~------~--~---
