** Changed in: evolution (Ubuntu)
Importance: Undecided => Low
** Also affects: evolution via
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Execution of filter 'Junk check' fails with "Empty cache file"
Status in Evolution:
Status in evolution package in Ubuntu:
I currently use an Evolution setup in which I retrieve email via IMAP
from an unfiltered mailbox, and then use Evolution to automatically
filter for spam/junk mail.
This process works as expected upon starting Evolution: all email is
retrieved from the mailbox (and thus resides in the Inbox folder,
where it arrived), then it's filtered to identify spam, and then the
spam is moved from the Inbox to a Junk folder.
However, after Evolution has been running for some time (hard to
estimate because it requires an email to be received, but likely 5-10
minutes; it's possible that this is just "one email refresh interval"
but also possible that something else is going on), newly received
email stops being filtered for spam, and all the email remains in the
Inbox. This happens at least in the case of receiving one email at a
time, and most likely in the case where multiple emails are received
in one send/receive cycle.
When this failure to remove spam/junk happens, there's a yellow banner
at the top of the screen saying, for example (the filename is not
always the same),
"Error while performing operation.
Execution of filter 'Junk check' failed: Empty cache file:
I checked the contents of the file in question; it appears to be a
copy of the email that was just received, including all headers. (It's
possible that there's a race condition here and that the file was
empty when the filter looked at it, but became populated just after it
errored out, but perhaps something else is going on.)
This behaviour is a problem because it means that either I have to
delete junk mail by hand, or else that I have to repeatedly close and
reopen Evolution so that the automated system will work.
DistroRelease: Ubuntu 16.04
Package: evolution 22.214.171.124-0ubuntu3.1
ProcVersionSignature: Ubuntu 4.4.0-36.55-generic 4.4.16
Uname: Linux 4.4.0-36-generic x86_64
Date: Mon Aug 22 17:19:59 2016
InstallationDate: Installed on 2014-06-03 (811 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
UpgradeStatus: Upgraded to xenial on 2016-05-02 (112 days ago)
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