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https://issues.apache.org/jira/browse/EMAIL-155?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14599435#comment-14599435
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Thomas Neidhart commented on EMAIL-155:
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Well yes, a check would be helpful, but the behavior is still against the spec
so the question is what to do in this case.
Could you attach the mail file that you tried to parse?
> Not Able To Parse Attachments
> -----------------------------
>
> Key: EMAIL-155
> URL: https://issues.apache.org/jira/browse/EMAIL-155
> Project: Commons Email
> Issue Type: Bug
> Environment: org.apache.commons:commons-email:1.4
> Reporter: Petr Osipov
> Priority: Critical
>
> h4. Scenario
> # Sent an email from Microsoft Web UI,
> # When code tries to parse
> {code}
> public DataSource getAttachment(String username, MimeMessage mimeMessage)
> throws Exception {
> MimeMessageParser messageParser = new MimeMessageParser(mimeMessage);
> messageParser.parse();
> // further code
> }
> {code}
> An exception is thrown
> {noformat}
> java.lang.ClassCastException: javax.mail.util.SharedByteArrayInputStream
> cannot be cast to javax.mail.Multipart
> at
> org.apache.commons.mail.util.MimeMessageParser.parse(MimeMessageParser.java:195)
> at
> org.apache.commons.mail.util.MimeMessageParser.parse(MimeMessageParser.java:96)
> {noformat}
> Probably int the wild casting to javax.mail.Multipart in MimeMessageParser is
> a too brave step
> {code}
> if (isMimeType(part, "multipart/*"))
> {
> this.isMultiPart = true;
> final Multipart mp = (Multipart) part.getContent();
> final int count = mp.getCount();
> // iterate over all MimeBodyPart
> for (int i = 0; i < count; i++)
> {
> parse(mp, (MimeBodyPart) mp.getBodyPart(i));
> }
> }
> {code}
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