[jira] [Created] (NIFI-6374) ConsumeEWS fails when email attachment has no content type

["JF Beauvais (JIRA)" <ji...@apache.org>]

JF Beauvais created NIFI-6374:
---------------------------------

             Summary: ConsumeEWS fails when email attachment has no content type
                 Key: NIFI-6374
                 URL: https://issues.apache.org/jira/browse/NIFI-6374
             Project: Apache NiFi
          Issue Type: Bug
          Components: Core Framework
    Affects Versions: 1.9.0
            Reporter: JF Beauvais


Exchange Version: Exchange2010_SP2

At line:

[https://github.com/apache/nifi/blob/e913f5706f3b3a0a2e98cf77ac4c96f63ba4f104/nifi-nar-bundles/nifi-email-bundle/nifi-email-processors/src/main/java/org/apache/nifi/processors/email/ConsumeEWS.java#L457]

file.getContentType() may return null. In that case, we get an exception when writting message file:

 
{code:java}
Caused by: javax.mail.internet.ParseException: In Content-Type string <null>, expected MIME type, got null
    at javax.mail.internet.ContentType.<init>(ContentType.java:97)
    at javax.mail.internet.MimeBodyPart.updateHeaders(MimeBodyPart.java:1467)
    at javax.mail.internet.MimeBodyPart.updateHeaders(MimeBodyPart.java:1131)
    at javax.mail.internet.MimeMultipart.updateHeaders(MimeMultipart.java:515)
    at javax.mail.internet.MimeBodyPart.updateHeaders(MimeBodyPart.java:1490)
    at javax.mail.internet.MimeMessage.updateHeaders(MimeMessage.java:2198)
    at javax.mail.internet.MimeMessage.saveChanges(MimeMessage.java:2159)
    at org.apache.nifi.processors.email.ConsumeEWS.parseMessage(ConsumeEWS.java:478)
    at org.apache.nifi.processors.email.ConsumeEWS.fillMessageQueueIfNecessary(ConsumeEWS.java:365)

{code}
Possible workaround:

 

 
{code:java}
String type = Optional.ofNullable(file.getContentType()).orElse("text/plain");
ByteArrayDataSource bds = new ByteArrayDataSource(file.getContent(), type);
{code}
 



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