[ http://issues.apache.org/jira/browse/JAMES-447?page=all ]
     
Stefano Bagnara resolved JAMES-447:
-----------------------------------

    Fix Version: 2.3.0a2
     Resolution: Invalid

Please comment here if you have updates so that I reopen this one instead of 
creating a new issue.

> ClassCastException when storing multipart message without Msg ID
> ----------------------------------------------------------------
>
>          Key: JAMES-447
>          URL: http://issues.apache.org/jira/browse/JAMES-447
>      Project: James
>         Type: Bug
>   Components: MailStore & MailRepository
>     Versions: 2.3.0a1
>     Reporter: Bernd Fondermann
>     Assignee: Stefano Bagnara
>      Fix For: 2.3.0a2
>  Attachments: MimeMessageUtilTest.java, test.zip
>
> This problem occurs with James HEAD, but not with James 2.2.0
> When sending a multipart message which has no Message-ID header field to an 
> internal user, the following exception is raised:
> javax.mail.MessagingException: Exception caught while storing Message 
> Container: javax.mail.MessagingException: MIME part of type "multipart/mixed; 
> boundary="bmQykoPt9wvlXeBFetOZnNCi/trubV+f25KeVm5YJYo="" contains object of 
> type com.sun.mail.util.SharedByteArrayInputStream instead of MimeMultipart
>         at 
> org.apache.james.mailrepository.AvalonMailRepository.store(AvalonMailRepository.java:329)
>         at 
> org.apache.james.transport.mailets.ToMultiRepository.storeMail(ToMultiRepository.java:226)
>         at 
> org.apache.james.transport.mailets.ToMultiRepository.service(ToMultiRepository.java:151)
>         at 
> org.apache.james.transport.mailets.LocalDelivery.service(LocalDelivery.java:64)
>         at 
> org.apache.james.transport.LinearProcessor.service(LinearProcessor.java:414)
>         at 
> org.apache.james.transport.JamesSpoolManager.process(JamesSpoolManager.java:397)
>         at 
> org.apache.james.transport.JamesSpoolManager.run(JamesSpoolManager.java:306)
>         at java.lang.Thread.run(Thread.java:534)
> the exception is thrown within JavaMail, the last related James call is in 
> line 67 of MimeMessageUtil:
>     public static void writeTo(MimeMessage message, OutputStream headerOs, 
> OutputStream bodyOs, String[] ignoreList) throws IOException, 
> MessagingException {
>         if (message instanceof MimeMessageCopyOnWriteProxy) {
>             MimeMessageCopyOnWriteProxy wr = (MimeMessageCopyOnWriteProxy) 
> message;
>             MimeMessage m = wr.getWrappedMessage();
>             if (m instanceof MimeMessageWrapper) {
>                 MimeMessageWrapper wrapper = (MimeMessageWrapper)m;
>                 wrapper.writeTo(headerOs, bodyOs, ignoreList);
>                 return;
>             }
>         } else if (message instanceof MimeMessageWrapper) {
>             MimeMessageWrapper wrapper = (MimeMessageWrapper)message;
>             wrapper.writeTo(headerOs, bodyOs, ignoreList);
>             return;
>         }
>         if(message.getMessageID() == null) {
>             message.saveChanges(); //// <====== exception thrown from here
>         }
> the exception is going away if at least one of the following is done:
> + a message id header field is added when sending the message
> + the receiver is not a James internal account
> + the message mime type is changed from "multipart" to something else
> + James 2.2.0 is being used.
> I did the first one for the stress test tool, but wonder if a Message-ID is 
> mandatory.
> I debugged this problem but did not find neither a fix nor the critical 
> change from 2.2.0

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