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These are mail server related error messages, and for these you can try to move these message again back to Inbox. If there are message malformed issues like message boundary asd so on is missing, in these cases the message cannot be downloaded. System is trying to process a very very large message, and as a result there may be some contention in getting resources.

There is as such no limitation, but if business does not require processing of large sized emails, it is better to avoid them to provide a better response from the system. Large sized email can cause a contention issue with a mail server because considerable time may be required to download messages.

To know the reason, enable logging and provide the information to development for further research. This could also be due to heap memory exhaustion.

Is sufficient memory available? Iit could be advisable to check it by increasing the heap size in the OC4J instance. Please make sure that all threads are not looking into a single account.

Splitting the processing across multiple accounts is the way to go. This is a must if the volume of email is more than per hour. Also try to avoid processing large sized emails, or move these large sized emails to a separate account. When the preprocessing thread looks to write into new email information, the only unique way to identify a new email is by the message uid that is return by the mail server.

There are some mail servers where this message uid can get reset. In some cases moving a message manually to Inbox from the Retry folder can reprocess the message. Sometime intermittent environment-related issues cause the download processor to encounter an error.

As a result, messages cannot be downloaded in 5 attempts and are moved to the Retry folder. After this intermittent issue is resolved, the same messages can be processed again. What we recommend is that you review the errors and see whether they caused messages to be moved to the Retry folder or not.

Some of the common error you can find are as follows:. The most likely cause for this error is malformed messages. If the message is in the Retry folder, then the admin can try to manually move it to Inbox to see if in a second try these can be processed or not. If not, try to see if these message can be opened by Outlook Express or not. If not, then Email Center cannot process them.

If these message can be opened by Outloek Express, then development would like to see them. The DP parsing program may need to improvement to process these types of emails. These are some of the common errors that can get logged in DP logs and are email server issues.

Please verify whether these messages are getting processed by Download Processor on the 2nd retry. Download Processor can download all standard RFC formed email. Download Processor does not write to Mail Server. If there is a mail server related issue, it can cause a generic problem at the download processor. So it cannot download emails. In such type of scenario, please check the mail server and find if there are any issues.

Also, in order to understand what exactly is happening, enable logging. Due to this type of generic issues, all threads may be errored out or stuck in contention. Restarting the download processor clears these and enables it to spawn a new set of threads. Download Processor cannot delete the emails from the Oracle Processed folder.

This is something that the mail server needs to handle with a rule. Email Center Diagnostics provide some test cases to check the health of the system. Whenever the download processor encounters an error, we suggest to run these tests to see if there are some connectivity issues or mail server related issues. So please run these whenever you encounter any mail downloading problem. That implies download processor is working fine. If email is present here and the Email Center processing concurrent program is running, then that implies there are some issues in processing these emails that can be diagnosed further by enabling fnd logging to further troubleshoot.

If email is visible here, that means that both download processor and the Email Center processing concurrent program are working fine. It could be an access issue that a particular agent may not have access to see this email. Try to see if emails are visible from the supervisor queue or not.

If you can view emails in this table, that means both download processor and Email Center processing concurrent program are working fine. There may be some auto processing rules setup that is either deleting or resolving emails by some custom procedure or auto-create or update SR action. As a result. So you need to revisit the rules. Oracle Processed After a message is downloaded, it is moved to this folder where it stays forever. Oracle Retry If for some reason a message cannot be downloaded, then it is moved to the Oracle Retry folder.

Frequently Asked Questions What is the message life cycle during the download processor operation? Here is the sequence of events for an email message: Email comes to Inbox. What are the various folders that Email Center requires, and what are their purposes?

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