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https://issues.apache.org/jira/browse/GERONIMO-6480?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hendrik Saly resolved GERONIMO-6480.
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Resolution: Fixed
Fixed with rev 1641428
> Wrong attachment 'Content-type' in some conditions
> --------------------------------------------------
>
> Key: GERONIMO-6480
> URL: https://issues.apache.org/jira/browse/GERONIMO-6480
> Project: Geronimo
> Issue Type: Bug
> Security Level: public(Regular issues)
> Components: mail
> Reporter: Alexandre Garnier
> Assignee: Hendrik Saly
> Labels: JM14_1.8.5
> Attachments: GERONIMO-6480.tar.gz
>
>
> When you set an attachment filename before having a Content-type defined,
> then the Content-type is set to 'text/plain'.
> {code:language=java}
> BodyPart attachmentPart = new MimeBodyPart();
> attachmentPart.setDataHandler(dh);
> attachmentPart.setFileName("test.pdf");
> {code}
> ==> Content-type = 'text/plain'
> {code:language=java}
> BodyPart attachmentPart = new MimeBodyPart();
> attachmentPart.addHeader("Content-Type", "aplication/pdf");
> attachmentPart.setDataHandler(dh);
> attachmentPart.setFileName("test.pdf");
> {code}
> ==> Content-type = 'text/plain' (because setDataHandler reset Headers)
> {code:language=java}
> BodyPart attachmentPart = new MimeBodyPart();
> attachmentPart.setDataHandler(dh);
> attachmentPart.addHeader("Content-Type", "aplication/pdf");
> attachmentPart.setFileName("test.pdf");
> {code}
> ==> Right Content-Type
> {code:language=java}
> System.setProperty("mail.mime.setcontenttypefilename",
> Boolean.FALSE.toString());
> BodyPart attachmentPart = new MimeBodyPart();
> attachmentPart.setDataHandler(dh);
> attachmentPart.setFileName("test.pdf");
> {code}
> ==> Right Content-Type
> {code:language=java}
> BodyPart attachmentPart = new MimeBodyPart();
> attachmentPart.setFileName("test.pdf");
> attachmentPart.setDataHandler(dh);
> {code}
> ==> Right Content-Type
> It's because of solution of GERONIMO-2091 (SVN rev412720).
> The right solution is in [javamail
> MimeBodyPart.java|https://java.net/projects/javamail/sources/mercurial/content/mail/src/main/java/javax/mail/internet/MimeBodyPart.java?rev=569]
> : use direct access to Header (instead of method with default value) and do
> nothing if not yet defined. This solution could allow to remove the
> {{MIME_SETCONTENTTYPEFILENAME}} property.
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