java.lang.NullPointerException Error in Download Processor Upon Transfer Of Certain Emails

(Doc ID 1060710.1)

Last updated on SEPTEMBER 06, 2016

Applies to:

Oracle Email Center - Version 12 and later
Information in this document applies to any platform.
Checked for relevance on 13-Jan-2012


Some emails are sent into Oracle Email Center system but they do not get processed and Download Processor gets stuck (must be restarted) or they get downloaded but never processed.

Error given from the Download Processor is as follows, even after having applied patch for <Bug 11805841> EMAILS ARE NOT GETTING DOWNLOADED BY DOWNLOAD PROCESSOR

at com.test.mail.imap.Utility.toMessageSet(
at com.test.mail.imap.IMAPMessage.fetch(
at com.test.mail.imap.IMAPFolder.fetch(

The expected behavior is to get all emails processed.

The issue can be reproduced at will with the following steps:

1. Send an email to an account in Email Center
2. Check if it has been processed
(R) Email Center Agent Console
(N) My Inbox 


The instance that is causing the issue is a cloned instance.


Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms