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#1 2015-12-17 21:44:12

PurplePerson
Member
Registered: 2007-05-06
Posts: 12

Dolphin file manager can't load kio libs, after update from KDE4.

Hi

I just updated from KDE 4 to the new plasma desktop using the procedure in the wiki. I installed using the plasma-meta metapackage.

Everything seems fine so far except one pretty critical thing, the dolphin file manager isn't able to access anything. It seems like it's unable to use the kio libs that are installed for some reason. So it can't even access a local disk, never mind anything more exotic.

I tried deleting the ~/.config/dolphinrc configuration folder and restarting. It didn't help.
I tried deleting the old ~/.kde4 configuration folder and restarting. It didn't help.
I checked that the kio lib files actually exist where they should be (in /usr/lib/qt/plugins/kf5/kio/) and they are and are globally readable and executable.

This is the error that dolphin produces when trying to access the local drive (home folder).

http://i.imgur.com/cQRwYjz.png

If anyone could shed some light on this I'd really appreciate it.

Mod edit: Replaced oversized image with URL. -- WorMzy

Last edited by WorMzy (2018-02-21 18:37:44)

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#2 2015-12-18 01:10:21

Buddlespit
Member
From: Chesapeake, Va.
Registered: 2014-02-07
Posts: 501

Re: Dolphin file manager can't load kio libs, after update from KDE4.

What's the error? Not the dolphin message, the actual error?

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#3 2015-12-18 01:15:55

PurplePerson
Member
Registered: 2007-05-06
Posts: 12

Re: Dolphin file manager can't load kio libs, after update from KDE4.

Buddlespit wrote:

What's the error? Not the dolphin message, the actual error?

couldn't create slave: "Unable to create io-slave:\nklauncher said: Error loading '/usr/lib/qt/plugins/kf5/kio/file.so'.\n"

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#4 2015-12-18 10:02:15

Loose_Control
Member
From: Germany
Registered: 2011-01-11
Posts: 136

Re: Dolphin file manager can't load kio libs, after update from KDE4.

Try a new user maybe it is some user config problem.

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#5 2015-12-18 19:26:03

PurplePerson
Member
Registered: 2007-05-06
Posts: 12

Re: Dolphin file manager can't load kio libs, after update from KDE4.

Loose_Control wrote:

Try a new user maybe it is some user config problem.

No joy unfortunately. I created a new user and it's just the same.

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#6 2015-12-19 01:53:50

PurplePerson
Member
Registered: 2007-05-06
Posts: 12

Re: Dolphin file manager can't load kio libs, after update from KDE4.

It works OK in a different desktop environment though. I tested it in LXQt and it was fine.

So it doesn't appear to be a user settings issue but looks like a system-wide plasma configuration problem?

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#7 2015-12-19 11:57:49

Buddlespit
Member
From: Chesapeake, Va.
Registered: 2014-02-07
Posts: 501

Re: Dolphin file manager can't load kio libs, after update from KDE4.

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#8 2015-12-19 12:47:55

PurplePerson
Member
Registered: 2007-05-06
Posts: 12

Re: Dolphin file manager can't load kio libs, after update from KDE4.

This is all the errors journalctl shows for dolphin when it loads:

Dec 19 12:38:02 simon-devbox dolphin[9227]: couldn't create slave: "Unable to create io-slave:\nklauncher said: Error loading '/usr/lib/qt/plugins/kf5/kio/file.so'.\n"
Dec 19 12:38:02 simon-devbox dolphin[9227]: couldn't create slave: "Unable to create io-slave:\nklauncher said: Error loading '/usr/lib/qt/plugins/kf5/kio/trash.so'.\n"
Dec 19 12:38:02 simon-devbox dolphin[9227]: "Could not start process Unable to create io-slave:\nklauncher said: Error loading '/usr/lib/qt/plugins/kf5/kio/trash.so'.\n."
Dec 19 12:38:02 simon-devbox dolphin[9227]: couldn't create slave: "Unable to create io-slave:\nklauncher said: Error loading '/usr/lib/qt/plugins/kf5/kio/file.so'.\n"

This is everything from journalctl that happens when I launch dolphin (after having closed it)

Dec 19 12:43:07 simon-devbox qterminal[1039]: set current term: TermWidget(0x205abb0)
Dec 19 12:43:07 simon-devbox kwin_x11[700]: QXcbConnection: XCB error: 3 (BadWindow), sequence: 25317, resource id: 10485761, major code: 18 (ChangeProperty), minor code: 0
Dec 19 12:43:07 simon-devbox kwin_x11[700]: QXcbConnection: XCB error: 3 (BadWindow), sequence: 25321, resource id: 10485762, major code: 18 (ChangeProperty), minor code: 0
Dec 19 12:43:08 simon-devbox dolphin[9539]: couldn't create slave: "Unable to create io-slave:\nklauncher said: Error loading '/usr/lib/qt/plugins/kf5/kio/file.so'.\n"
Dec 19 12:43:08 simon-devbox dolphin[9539]: couldn't create slave: "Unable to create io-slave:\nklauncher said: Error loading '/usr/lib/qt/plugins/kf5/kio/trash.so'.\n"
Dec 19 12:43:08 simon-devbox dolphin[9539]: "Could not start process Unable to create io-slave:\nklauncher said: Error loading '/usr/lib/qt/plugins/kf5/kio/trash.so'.\n."
Dec 19 12:43:08 simon-devbox dolphin[9539]: couldn't create slave: "Unable to create io-slave:\nklauncher said: Error loading '/usr/lib/qt/plugins/kf5/kio/file.so'.\n"
Dec 19 12:43:10 simon-devbox kactivitymanagerd[690]: Creating the cache for:  "/home/simon"
Dec 19 12:43:10 simon-devbox kactivitymanagerd[690]: Already in database?  true
Dec 19 12:43:10 simon-devbox kactivitymanagerd[690]:       First update :  QDateTime(2015-12-17 14:31:00.000 GMT Qt::TimeSpec(LocalTime))
Dec 19 12:43:10 simon-devbox kactivitymanagerd[690]:        Last update :  QDateTime(2015-12-19 12:38:02.000 GMT Qt::TimeSpec(LocalTime))
Dec 19 12:43:10 simon-devbox kactivitymanagerd[690]: After the adjustment
Dec 19 12:43:10 simon-devbox kactivitymanagerd[690]:      Current score :  14.424
Dec 19 12:43:10 simon-devbox kactivitymanagerd[690]:       First update :  QDateTime(2015-12-17 14:31:00.000 GMT Qt::TimeSpec(LocalTime))
Dec 19 12:43:10 simon-devbox kactivitymanagerd[690]:        Last update :  QDateTime(2015-12-19 12:38:02.000 GMT Qt::TimeSpec(LocalTime))
Dec 19 12:43:10 simon-devbox kactivitymanagerd[690]: Interval length is  0
Dec 19 12:43:10 simon-devbox kactivitymanagerd[690]:          New score :  15.424
Dec 19 12:43:18 simon-devbox dolphin[9539]: couldn't create slave: "Unable to create io-slave:\nklauncher said: Error loading '/usr/lib/qt/plugins/kf5/kio/file.so'.\n"
Dec 19 12:43:18 simon-devbox qterminal[1039]: set current term: TermWidget(0x205abb0)
Dec 19 12:43:28 simon-devbox dolphin[9539]: couldn't create slave: "Unable to create io-slave:\nklauncher said: Error loading '/usr/lib/qt/plugins/kf5/kio/file.so'.\n"
Dec 19 12:43:32 simon-devbox korgac[720]: log_koalarmclient: Check: "Sat Dec 19 12:42:33 2015"  - "Sat Dec 19 12:43:32 2015"
Dec 19 12:43:38 simon-devbox dolphin[9539]: couldn't create slave: "Unable to create io-slave:\nklauncher said: Error loading '/usr/lib/qt/plugins/kf5/kio/file.so'.\n"
Dec 19 12:43:48 simon-devbox dolphin[9539]: couldn't create slave: "Unable to create io-slave:\nklauncher said: Error loading '/usr/lib/qt/plugins/kf5/kio/file.so'.\n"

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#9 2015-12-19 14:56:37

PurplePerson
Member
Registered: 2007-05-06
Posts: 12

Re: Dolphin file manager can't load kio libs, after update from KDE4.

Konqueror works fine as well.

Last edited by PurplePerson (2015-12-19 15:03:52)

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#10 2015-12-19 16:55:29

Buddlespit
Member
From: Chesapeake, Va.
Registered: 2014-02-07
Posts: 501

Re: Dolphin file manager can't load kio libs, after update from KDE4.

I can't find anyone else having your issue, nor is there a bug report out on the kio-slave and dolphin. Both are up-to-date? If so, you might want to submit a bug report.

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#11 2016-03-30 20:55:03

savisitor15
Member
Registered: 2016-03-30
Posts: 2

Re: Dolphin file manager can't load kio libs, after update from KDE4.

I just had the same issue. The libraries are all loading fine if I try and import them but dolphin refuses.

The realy strany thing is the following. Run:

dbus-launch dolphin

and it works.

It seems dbus isn't starting a session for my user, or any user for that matter. Will look into this tomorrow and report back if I find a solution that will hopefully help.

Last edited by savisitor15 (2016-03-30 20:57:50)

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#12 2016-03-31 13:53:32

savisitor15
Member
Registered: 2016-03-30
Posts: 2

Re: Dolphin file manager can't load kio libs, after update from KDE4.

I think this one can be closed as [Solved] The issue it seems that if you freshly install Dolphin, as well as some of its plugins. The installation is expecting a full reindex of DBUS handles. Simplest solution to this is to do a complete x11 restart and a fresh shiney new dbus session hence:

dbus-launch dolphin

creates the handle entry and from then on, and several restarts later it works a charm.

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#13 2018-02-21 18:35:19

amin20100
Member
From: Iran
Registered: 2017-08-27
Posts: 2
Website

Re: Dolphin file manager can't load kio libs, after update from KDE4.

Very nice the dbus-launch dolphin fixed it for me.

Last edited by amin20100 (2018-02-21 18:35:39)

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#14 2018-02-21 18:36:47

WorMzy
Forum Moderator
From: Scotland
Registered: 2010-06-16
Posts: 10,471
Website

Re: Dolphin file manager can't load kio libs, after update from KDE4.


Sakura:-
Mobo: MSI MEG B550 UNIFY // Processor: AMD Ryzen 9 5950X @4.9GHz // GFX: AMD Radeon RX 5700 XT // RAM: 32GB (4x 8GB) Corsair DDR4 (@ 3000MHz) // Storage: 1x 3TB HDD, 6x 1TB SSD, 2x 120GB SSD, 1x 275GB M2 SSD

Making lemonade from lemons since 2015.

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#15 2018-02-21 18:36:49

Scimmia
Fellow
Registered: 2012-09-01
Posts: 8,671

Re: Dolphin file manager can't load kio libs, after update from KDE4.

That's not a fix. It was a horrible workaround 2 years ago when it was posted, and it still is today.

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