I use 64-bit Fedora 16 installed from the KDE spin. I can't use any Akonadi application.
[spoiler]

Code: Select all

$ akonadictl start
Starting Akonadi Server...
   done.
[marek@hirager-3 ~]$ Connecting to deprecated signal QDBusConnectionInterface::serviceOwnerChanged(QString,QString,QString)
Failed to use database "/home/hirager/.local/share/akonadi/akonadi.db"
Database error: "unable to open database file Error opening database"
Trying to create database now...
QSqlDatabasePrivate::removeDatabase: connection 'initConnection' is still in use, all queries will cease to work.
Could not open sqlite database  "/home/hirager/.local/share/akonadi/akonadi.db"  with driver  "QSQLITE3"  for initalization
Database error: Cannot open database.
Last driver error: "Error opening database"
Last database error: "unable to open database file"
Unable to open database "unable to open database file Error opening database"
"[
0: akonadiserver(_Z11akBacktracev+0x35) [0x44a045]
1: akonadiserver() [0x44a30c]
2: /lib64/libc.so.6() [0x328e636300]
3: /lib64/libc.so.6(gsignal+0x35) [0x328e636285]
4: /lib64/libc.so.6(abort+0x17b) [0x328e637b9b]
5: /usr/lib64/libQtCore.so.4(_Z17qt_message_output9QtMsgTypePKc+0x74) [0x32972714b4]
6: akonadiserver(_ZN15FileDebugStream9writeDataEPKcx+0x92) [0x44ba52]
7: /usr/lib64/libQtCore.so.4(_ZN9QIODevice5writeEPKcx+0xaf) [0x329730c4ef]
8: /usr/lib64/libQtCore.so.4() [0x32973179e2]
9: /usr/lib64/libQtCore.so.4(_ZN11QTextStreamD1Ev+0x39) [0x3297320879]
10: akonadiserver(_ZN7Akonadi13AkonadiServerC1EP7QObject+0x541) [0x44d8e1]
11: akonadiserver(_ZN7Akonadi13AkonadiServer8instanceEv+0x37) [0x44eab7]
12: akonadiserver(main+0x222) [0x444f32]
13: /lib64/libc.so.6(__libc_start_main+0xed) [0x328e62169d]
14: akonadiserver() [0x4457c1]
]
"
ProcessControl: Application 'akonadiserver' returned with exit code 255 (Unknown error)

[/spoiler]

What is wrong? I rely heavily on the semantic capabilities of KDE. I hope it was just a bad timing for me to move to Fedora. I have copied everything but a folder with "app"rc files and did not let any file overwrite the Fedora default configuration. Maybe the default config retention was what caused the problem. I have no understanding of the error message.

Almost forgot to say that I still have the backup of data from my previous installation. Complete with GiB's of trash.

Please remove ~/.config/akonadi/akonadiserverrc then it should start without issue. It appears that Fedora does not ship the SQLite backend you were previously using.

This is the solution.
Thank you very much.