I think this is a bug in app engine - it doesn't seem to be following the standard. I've blogged the solution here: http://jeremyblythe.blogspot.com/2009/11/receiving-email-in-google-app-engine.html
J. On Mon, Nov 30, 2009 at 2:34 PM, Peter Ondruska <peter.ondru...@gmail.com>wrote: > I am following instructions on > http://code.google.com/appengine/docs/java/mail/receiving.html > to process incoming mail but failing on retrieving content (headers > are fine). > > "The getContent() method returns an object that implements the > Multipart interface. You can then call getCount() to determine the > number of parts and getBodyPart(int index) to return a particular body > part." > > MimeMultipart mmp = (MimeMultipart) message.getContent(); > > Error: > java.lang.ClassCastException: java.io.ByteArrayInputStream cannot be > cast to javax.mail.internet.MimeMultipart > > And when I check at runtime what class is returned by getContent() it > really is java.io.ByteArrayInputStream. > > Am I doing something wrong? > > -- > > 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 > google-appengine-j...@googlegroups.com. > To unsubscribe from this group, send email to > google-appengine-java+unsubscr...@googlegroups.com<google-appengine-java%2bunsubscr...@googlegroups.com> > . > For more options, visit this group at > http://groups.google.com/group/google-appengine-java?hl=en. > > > -- 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 google-appengine-j...@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
