Gmusicbrowser doesn't start in Xubuntu 12.04. Terminal says:
vaillant@thunder:~$ gmusicbrowser
print() on closed filehandle $fifofh at /usr/bin/gmusicbrowser line 286.
GStreamer::Interfaces perl module not found -> visuals not available
@Fields=album_shuffle replaygain_album_gain skipcount file grouping compilation replaygain_track_peak modif lastskip replaygain_reference_level genre embedded_pictures label title replaygain_album_peak album_artist samprate filetype bitrate missing added channel title_or_file size rating album_artist_raw lastplay shuffle playcount embedded_lyrics replaygain_track_gain extension version track path length artist album comment disc year barefilename fullfilename_raw ratingnumber artists first_artist album_picture album_years version_or_empty uri artist_picture missingkey fullfilename at /usr/bin/../share/gmusicbrowser/gmusicbrowser_songs.pm line 1066.
gstreamer plugin 'lame' not found -> gstreamer-server mode not available
These commands were not found : mpg123, flac123, ogg123
=> these file types won't be played by the 123 output : oga, flac
/org/mpris/MediaPlayer2 at /usr/bin/../share/gmusicbrowser/plugins/mpris2.pm line 30.
Use of uninitialized value $_[0] in vec at (eval 97) line 1.
Ignoring unknown column playandqueueandtrack
SongArray_changed replace,filter Filter=HASH(0xad14f94)
Use of uninitialized value $_[0] in vec at (eval 97) line 1.
Use of uninitialized value $key in hash element at /usr/lib/perl5/Net/DBus/Binding/Iterator.pm line 504.
process 3450: Array or variant type requires that type boolean be written, but double was written.
The overall signature expected here was 'a{sb}' and we are on byte 4 of that signature.
process 3450: Array or variant type requires that type boolean be written, but string was written.
The overall signature expected here was 'a{sb}' and we are on byte 4 of that signature.
process 3450: Array or variant type requires that type boolean be written, but string was written.
The overall signature expected here was 'a{sb}' and we are on byte 4 of that signature.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: gmusicbrowser 1.1.7-2
ProcVersionSignature: Ubuntu 3.1.0-1.1-generic-pae 3.1.0-rc10
Uname: Linux 3.1.0-1-generic-pae i686
ApportVersion: 1.24-0ubuntu1
Architecture: i386
Date: Sun Oct 23 18:24:01 2011
InstallationMedia: Xubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
PackageArchitecture: all
ProcEnviron:
PATH=(custom, no user)
LANG=it_IT.UTF-8
SHELL=/bin/bash
SourcePackage: gmusicbrowser
UpgradeStatus: No upgrade log present (probably fresh install)
Can you try launching it with option "-plugin MPRIS2", and if it still doesn't work, with option "-nodbus", and tell me what it says ?