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Re: [kde-linux] Virtualbox start icon missing

Mark Knecht posted on Thu, 20 Mar 2014 17:34:58 -0600 as excerpted:

> $ kbuildsycoca4 --noincremental
> kbuildsycoca4 running...
> kbuildsycoca4(11065) KConfigGroup::readXdgListEntry: List entry
> text/html in "/home/mark/.local/share/applications/mimeapps.list" is not
> compliant with XDG standard (missing trailing semicolon).

> $ cat /home/mark/.local/share/applications/mimeapps.list
> [Added Associations]
> text/html=google-chrome.desktop
> [Default Applications]
> text/html=google-chrome.desktop

1) Those missing semicolon warnings should be just that -- they shouldn't 
block generation of the menu, so you likely have some other issue.

At least that's what I've seen when I get warnings like that here.

2) At least all the entries in the [Added Associations] section should be 
semicolon terminated -- they are here, and the text/html entry that it's 
complaining about is in that section for you, but not semicolon 

The [Default Applications] entries here are NOT semicolon terminated, 
however, and I'd leave them as such.

I have quite a few entries in both sections (plus another section, 
[Removed Associations]) as I obviously customize rather more than you 
have, at least on that machine, and that appears to be the general rule 
in both cases (semicolon-terminated added, no-semicolon-terminated 
default), so particularly with the warning saying as much, I'd consider 
it a bug that that particular entry doesn't have that semicolon.  (Likely 
it was a temporary bug that existed whenever you made that customization, 
perhaps with your current version if you just made it.)

I'd do either one of two things:

2a) Simply add the terminating semicolon on that line manually, since 
it's obvious that's what the problem is.

2b) Since there's only two entries there, both for chrome, recustomizing 
the association if desired should be fairly easy.  You could try simply 
deleting them.

(OTOH I'd have a rather more difficult job ahead of me if I lost that 
file here, given that it's 52 lines line including two blank lines and 
three section headers, so I've over 40 customizations I'd have to 
recreate, some of which it appears are actually a list, thus would likely 
be multiple customizations per entry, at least if I did it via GUI!)

3) What the problem preventing that apparently just fine 
virtualbox.desktop file from registering is, I'm not sure.  But...

3a) Check permissions.  Your user can access it when doing that 
kbuildsycoca4 thing, correct?

3b) What happens if you copy the file to ~/.local/share/applications/ and 
rerun ksycocoa4?  Does it register then?

3c) If all else fails, try running an strace on ksycoca4 and see whether 
it's accessing that file:

strace -eopen kbuildsycoca4 --noincremental |& grep virtualbox

(The -eopen says to trace file-open calls.  Strace outputs to STDERR to 
avoid interfering with STDOUT, so that has to be redirected in ordered to 
pipe it to grep, thus the |&.  Many apps, especially X-based, open SO 
many files the output really needs grepped to reduce it to something 
usable.  Try it without that pipe to grep to see!)

If that doesn't work, try grepping /usr/share/applications/ instead, just 
to make sure it's getting the directory.  (But do be prepared for rather 
more output!)

Duncan - List replies preferred.   No HTML msgs.
"Every nonfree program has a lord, a master --
and if you use the program, he is your master."  Richard Stallman

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