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From "Stefano Bagnara (JIRA)" <server-...@james.apache.org>
Subject [jira] Commented: (JAMES-447) ClassCastException when storing multipart message without Msg ID
Date Thu, 02 Mar 2006 14:50:41 GMT
    [ http://issues.apache.org/jira/browse/JAMES-447?page=comments#action_12368510 ] 

Stefano Bagnara commented on JAMES-447:
---------------------------------------

I don't know. Run a recursive search for the mailcap files and post here their position/content.
What IDE do you use? If eclipse, have you installed any third party plugin? 

Can you also try to remove (or comment out) the first line of the "mailcap" file in src/META-INF
?


> 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
>  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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