docky crashes with error "System.Xml.XmlException: Document element did not appear. Line 1, position 1."

[Panayiotis Savva]

Binary package hint: docky

When Starting docky, and going to "Settings" -> "Docklets", it crashes with the below messages.

psavva@Casper:~$ docky
[Info 18:57:29.542] Docky version: 2.0.7 Release
[Info 18:57:29.553] Kernel version: 2.6.35.24
[Info 18:57:29.555] CLR version: 2.0.50727.1433

System.Xml.XmlException: Document element did not appear. Line 1, position 1.
  at Mono.Xml2.XmlTextReader.Read () [0x00000] in <filename unknown>:0
  at System.Xml.XmlTextReader.Read () [0x00000] in <filename unknown>:0
  at System.Xml.XmlReader.MoveToContent () [0x00000] in <filename unknown>:0
  at Mono.Addins.Database.DatabaseConfiguration.Read (System.String file) [0x00000] in <filename unknown>:0
  at Mono.Addins.Database.AddinDatabase.get_Configuration () [0x00000] in <filename unknown>:0
  at Mono.Addins.Database.AddinDatabase.IsAddinEnabled (System.String domain, System.String id, Boolean exactVersionMatch) [0x00000] in <filename unknown>:0
  at Mono.Addins.Addin.get_Enabled () [0x00000] in <filename unknown>:0
  at Mono.Addins.ExtensionContext.GetAddinExtensions (System.String id, Mono.Addins.Description.ExtensionPoint ep) [0x00000] in <filename unknown>:0
  at Mono.Addins.ExtensionContext.LoadExtensions (System.String requestedExtensionPath) [0x00000] in <filename unknown>:0
  at Mono.Addins.TreeNode.get_Children () [0x00000] in <filename unknown>:0
  at Mono.Addins.ExtensionNode.get_ChildNodes () [0x00000] in <filename unknown>:0
Exception in Gtk# callback delegate
  Note: Applications can use GLib.ExceptionManager.UnhandledException to handle the exception.
System.Xml.XmlException: Document element did not appear. Line 1, position 1.
  at Mono.Xml2.XmlTextReader.Read () [0x00000] in <filename unknown>:0
  at System.Xml.XmlTextReader.Read () [0x00000] in <filename unknown>:0
  at System.Xml.XmlReader.MoveToContent () [0x00000] in <filename unknown>:0
  at Mono.Addins.Database.DatabaseConfiguration.Read (System.String file) [0x00000] in <filename unknown>:0
  at Mono.Addins.Database.AddinDatabase.get_Configuration () [0x00000] in <filename unknown>:0
  at Mono.Addins.Database.AddinDatabase.IsAddinEnabled (System.String domain, System.String id, Boolean exactVersionMatch) [0x00000] in <filename unknown>:0
  at Mono.Addins.Addin.get_Enabled () [0x00000] in <filename unknown>:0
  at Docky.PluginManager.<get_AvailableProviderIDs>m__38 (Mono.Addins.Addin a) [0x00000] in <filename unknown>:0
  at System.Linq.Enumerable+<CreateWhereIterator>c__Iterator1D`1[Mono.Addins.Addin].MoveNext () [0x00000] in <filename unknown>:0
  at System.Linq.Enumerable+<CreateSelectIterator>c__Iterator10`2[Mono.Addins.Addin,System.String].MoveNext () [0x00000] in <filename unknown>:0
  at System.Linq.Enumerable+<CreateSelectIterator>c__Iterator10`2[System.String,Docky.DockletTile].MoveNext () [0x00000] in <filename unknown>:0
  at System.Linq.Enumerable+<CreateConcatIterator>c__Iterator1`1[Docky.DockletTile].MoveNext () [0x00000] in <filename unknown>:0
  at System.Collections.Generic.List`1[Docky.DockletTile].AddEnumerable (IEnumerable`1 enumerable) [0x00000] in <filename unknown>:0
  at System.Collections.Generic.List`1[Docky.DockletTile]..ctor (IEnumerable`1 collection) [0x00000] in <filename unknown>:0
  at System.Linq.Enumerable.ToList[DockletTile] (IEnumerable`1 source) [0x00000] in <filename unknown>:0
  at Docky.ConfigurationWindow.RefreshDocklets () [0x00000] in <filename unknown>:0
  at Docky.ConfigurationWindow.OnPageSwitch (System.Object o, Gtk.SwitchPageArgs args) [0x00000] in <filename unknown>:0
  at Gtk.Notebook.SwitchPageSignalCallback (IntPtr arg0, IntPtr arg1, UInt32 arg2, IntPtr gch) [0x00000] in <filename unknown>:0
   at GLib.ExceptionManager.RaiseUnhandledException(System.Exception e, Boolean is_terminal)
   at Gtk.Notebook.SwitchPageSignalCallback(IntPtr arg0, IntPtr arg1, UInt32 arg2, IntPtr gch)
   at Gtk.Application.gtk_main()
   at Gtk.Application.Run()
   at Docky.Docky.Main(System.String[] args)

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: docky 2.0.7-1
ProcVersionSignature: Ubuntu 2.6.35-24.42-generic-pae 2.6.35.8
Uname: Linux 2.6.35-24-generic-pae i686
Architecture: i386
Date: Sun Jan 2 18:59:33 2011
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
PackageArchitecture: all
ProcEnviron:
 PATH=(custom, user)
 LANG=en_US.utf8
 SHELL=/bin/bash
SourcePackage: docky

[Robert Dyer (psybers)]

Your addins config is corrupt. Here is how you can fix it:

rm -Rf ~/.local/share/docky/plugins

Then start Docky again.