Koji Kawamura created NIFI-3976:
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Summary: ConsumePOP3 and ConsumeIMAP do NOT delete messages
Key: NIFI-3976
URL: https://issues.apache.org/jira/browse/NIFI-3976
Project: Apache NiFi
Issue Type: Bug
Components: Extensions
Affects Versions: 1.0.0
Reporter: Koji Kawamura
Assignee: Koji Kawamura
Those processors have 'Delete Messages' property but even if user configured it
to 'true' messages are not deleted from mail server.
AbstractEmailProcessor which is a superclass for both processors, has been
using:
{code}
emailMessage.setFlag(Flags.Flag.DELETED, this.shouldSetDeleteFlag);
{code}
However, since we are using Spring mail, the underlying receiver does not close
the inbox connection so messages are not deleted.
Instead, we should use:
{code}
receiver.setShouldDeleteMessages(boolean)
{code}
To specify whether it should delete fetched messages or not.
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