https://bugs.kde.org/show_bug.cgi?id=289428
Summary: changing message flags (in KMail2) can lose message
permanently
Product: Akonadi
Version: unspecified
Platform: Compiled Sources
OS/Version: Linux
Status: NEW
Severity: major
Priority: NOR
Component: Maildir Resource
AssignedTo: kdepim-bugs@kde.org
ReportedBy: j...@keelhaul.me.uk
Version: unspecified (using Devel)
OS: Linux
Changing some message flags in KMail (e.g. "Important", "Action Item")
sometimes causes the message to disappear and be permanently lost.
Reproducible: Sometimes
Steps to Reproduce:
In KMail2, select a message which is in a Maildir folder.
Do "Menu bar - Message - Mark Message - Mark Mail as Important"
or "Menu bar - Message - Mark Message - Mark Mail as Action Item"
a few times to turn the flags on or off.
Actual Results:
The email sometimes disappears. It cannot be found in the trash folder or
anywhere else.
Expected Results:
The message flags are just changed as requested.
A message appears in the debug log when this happens:
Maildir: Failed to add entry:
"/home/jjm/Mail.kmail2/.LocalFolders.directory/wastebin/cur/1324056139.R363.hostname:2,S"
! Error: "Unknown error"
kmail2(19249) KMKernel::instanceError: instance : "akonadi_maildir_resource_4"
received error : "Failed to change the flags for the mail."
The problem may be in Maildir::changeEntryFlags() in
kdepimruntime/resources/maildir/libmaildir/maildir.cpp. I have not yet
examined this in detail, but a strace of the akonadi_maildir_resource process
shows the following system calls:
open("/home/jjm/Mail.kmail2/.LocalFolders.directory/wastebin/cur/1324056139.R363.hostname:2,S",
O_RDONLY|O_LARGEFILE|O_CLOEXEC) = 14
open("/home/jjm/Mail.kmail2/.LocalFolders.directory/wastebin/cur/1324056139.R363.hostname:2,S",
O_RDONLY|O_LARGEFILE|O_CLOEXEC) = 14
unlink("/home/jjm/Mail.kmail2/.LocalFolders.directory/wastebin/cur/1324056139.R363.hostname:2,S")
= 0
lstat64("/home/jjm/Mail.kmail2/.LocalFolders.directory/wastebin/cur/1324056139.R363.hostname:2,S",
0xbf9e04a8) = -1 ENOENT (No such file or directory)
rename("/home/jjm/Mail.kmail2/.LocalFolders.directory/wastebin/cur/1324056139.R363.hostname:2,S",
"/home/jjm/Mail.kmail2/.LocalFolders.directory/wastebin/cur/1324056139.R363.hostname:2,S")
= -1 ENOENT (No such file or directory)
This sequence of calls is consistent with realKey being equal to finalKey just
before the
QFile f( realKey );
if (QFile::exists(finalKey)) {
QFile destFile(finalKey);
sequence in this function.
The result is that the original message file is removed and the message
disappears.
This may be a consequence of commit 8e09b79d1dd388ed9ad966638c29c483be6eb90a.
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