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Bug 558486 - Object reference not set to an instance of an object
Object reference not set to an instance of an object
Status: RESOLVED DUPLICATE of bug 557868
Product: banshee
Classification: Other
Component: GStreamer
1.3.3
Other All
: Normal critical
: 1.x
Assigned To: Banshee Maintainers
Banshee Maintainers
Depends on:
Blocks:
 
 
Reported: 2008-10-30 03:07 UTC by klji
Modified: 2008-10-30 03:11 UTC
See Also:
GNOME target: ---
GNOME version: ---


Description klji 2008-10-30 03:07:40 UTC 
Please describe the problem:
Banshee gives the error "Problem with Player Engine / Object reference not set to an instance of an object" when any file is played. 

Problem ocurs in 1.3.3 and 1.3.2, not 1.2.*.

gstreamer 0.10.21-42.pm2 on openSUSE 11.0 GNOME using PulseAudio as preferred sound system.

Steps to reproduce:
1. Install Banshee 1.3.2 or 1.3.3
2. Play any file
3. Error "Problem with Player Engine / Object reference not set to an instance of an object" and terminal output shown below

Actual results:


Expected results:


Does this happen every time?


Other information:
[Info  22:59:59.619] Running Banshee 1.3.3
System.DllNotFoundException: libglib-2.0.dll
  at (wrapper managed-to-native) Banshee.Base.Localization:g_get_language_names ()
  at Banshee.Base.Localization.GetLanguageNames () [0x00000] 
  at Banshee.Base.Localization.get_Languages () [0x00000] 
  at Banshee.Base.Localization.get_XmlLanguages () [0x00000] 
  at Banshee.Base.Localization.SelectSingleNode (System.Xml.XmlNode parent, System.String query) [0x00000] 
  at Banshee.MediaProfiles.Profile..ctor (Banshee.MediaProfiles.MediaProfileManager manager, System.Xml.XmlNode node) [0x00000] 
  at Banshee.MediaProfiles.MediaProfileManager.LoadProfiles (System.Xml.XmlNode node) [0x00000] 
System.DllNotFoundException: libglib-2.0.dll
  at (wrapper managed-to-native) Banshee.Base.Localization:g_get_language_names ()
  at Banshee.Base.Localization.GetLanguageNames () [0x00000] 
  at Banshee.Base.Localization.get_Languages () [0x00000] 
  at Banshee.Base.Localization.get_XmlLanguages () [0x00000] 
  at Banshee.Base.Localization.SelectSingleNode (System.Xml.XmlNode parent, System.String query) [0x00000] 
  at Banshee.MediaProfiles.Profile..ctor (Banshee.MediaProfiles.MediaProfileManager manager, System.Xml.XmlNode node) [0x00000] 
  at Banshee.MediaProfiles.MediaProfileManager.LoadProfiles (System.Xml.XmlNode node) [0x00000] 
System.DllNotFoundException: libglib-2.0.dll
  at (wrapper managed-to-native) Banshee.Base.Localization:g_get_language_names ()
  at Banshee.Base.Localization.GetLanguageNames () [0x00000] 
  at Banshee.Base.Localization.get_Languages () [0x00000] 
  at Banshee.Base.Localization.get_XmlLanguages () [0x00000] 
  at Banshee.Base.Localization.SelectSingleNode (System.Xml.XmlNode parent, System.String query) [0x00000] 
  at Banshee.MediaProfiles.Profile..ctor (Banshee.MediaProfiles.MediaProfileManager manager, System.Xml.XmlNode node) [0x00000] 
  at Banshee.MediaProfiles.MediaProfileManager.LoadProfiles (System.Xml.XmlNode node) [0x00000] 
System.DllNotFoundException: libglib-2.0.dll
  at (wrapper managed-to-native) Banshee.Base.Localization:g_get_language_names ()
  at Banshee.Base.Localization.GetLanguageNames () [0x00000] 
  at Banshee.Base.Localization.get_Languages () [0x00000] 
  at Banshee.Base.Localization.get_XmlLanguages () [0x00000] 
  at Banshee.Base.Localization.SelectSingleNode (System.Xml.XmlNode parent, System.String query) [0x00000] 
  at Banshee.MediaProfiles.Profile..ctor (Banshee.MediaProfiles.MediaProfileManager manager, System.Xml.XmlNode node) [0x00000] 
  at Banshee.MediaProfiles.MediaProfileManager.LoadProfiles (System.Xml.XmlNode node) [0x00000] 
System.DllNotFoundException: libglib-2.0.dll
  at (wrapper managed-to-native) Banshee.Base.Localization:g_get_language_names ()
  at Banshee.Base.Localization.GetLanguageNames () [0x00000] 
  at Banshee.Base.Localization.get_Languages () [0x00000] 
  at Banshee.Base.Localization.get_XmlLanguages () [0x00000] 
  at Banshee.Base.Localization.SelectSingleNode (System.Xml.XmlNode parent, System.String query) [0x00000] 
  at Banshee.MediaProfiles.Profile..ctor (Banshee.MediaProfiles.MediaProfileManager manager, System.Xml.XmlNode node) [0x00000] 
  at Banshee.MediaProfiles.MediaProfileManager.LoadProfiles (System.Xml.XmlNode node) [0x00000] 
System.DllNotFoundException: libglib-2.0.dll
  at (wrapper managed-to-native) Banshee.Base.Localization:g_get_language_names ()
  at Banshee.Base.Localization.GetLanguageNames () [0x00000] 
  at Banshee.Base.Localization.get_Languages () [0x00000] 
  at Banshee.Base.Localization.get_XmlLanguages () [0x00000] 
  at Banshee.Base.Localization.SelectSingleNode (System.Xml.XmlNode parent, System.String query) [0x00000] 
  at Banshee.MediaProfiles.Profile..ctor (Banshee.MediaProfiles.MediaProfileManager manager, System.Xml.XmlNode node) [0x00000] 
  at Banshee.MediaProfiles.MediaProfileManager.LoadProfiles (System.Xml.XmlNode node) [0x00000] 
System.DllNotFoundException: libglib-2.0.dll
  at (wrapper managed-to-native) Banshee.Base.Localization:g_get_language_names ()
  at Banshee.Base.Localization.GetLanguageNames () [0x00000] 
  at Banshee.Base.Localization.get_Languages () [0x00000] 
  at Banshee.Base.Localization.get_XmlLanguages () [0x00000] 
  at Banshee.Base.Localization.SelectSingleNode (System.Xml.XmlNode parent, System.String query) [0x00000] 
  at Banshee.MediaProfiles.Profile..ctor (Banshee.MediaProfiles.MediaProfileManager manager, System.Xml.XmlNode node) [0x00000] 
  at Banshee.MediaProfiles.MediaProfileManager.LoadProfiles (System.Xml.XmlNode node) [0x00000] 
[Warn  23:00:00.500] Service `Banshee.MediaEngine.TranscoderService' not started: libglib-2.0.dll
[Warn  23:00:00.502] Caught an exception - libglib-2.0.dll (in `Banshee.Unix')
  at (wrapper managed-to-native) Banshee.IO.Unix.Directory:g_mkdir_with_parents (intptr,int)
  at Banshee.IO.Unix.Directory.Create (System.String directory) [0x00000] 
  at Banshee.IO.Directory.Create (System.String directory) [0x00000] 
  at Banshee.MediaEngine.TranscoderService..ctor () [0x00000] 
  at (wrapper managed-to-native) System.Reflection.MonoCMethod:InternalInvoke (object,object[])
  at System.Reflection.MonoCMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
[Info  23:00:01.491] All services are started 1.460251s
[Info  23:00:02.392] nereid Client Started
[Warn  23:00:03.040] Caught an exception - libglib-2.0.dll (in `Banshee.Core')
  at (wrapper managed-to-native) Banshee.Base.SafeUri:g_filename_to_uri (intptr,intptr,intptr)
  at Banshee.Base.SafeUri.FilenameToUri (System.String localPath) [0x00000] 
  at Banshee.Base.SafeUri..ctor (System.String uri) [0x00000] 
  at Banshee.Dap.Mtp.MtpSource..cctor () [0x00000] 
An exception was thrown by the type initializer for Banshee.Dap.Mtp.MtpSource (in `mscorlib')
  at (wrapper managed-to-native) System.Reflection.MonoCMethod:InternalInvoke (object,object[])
  at System.Reflection.MonoCMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
Exception has been thrown by the target of an invocation. (in `mscorlib')
  at System.Reflection.MonoCMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
  at System.Reflection.MonoCMethod.Invoke (BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
  at System.Reflection.ConstructorInfo.Invoke (System.Object[] parameters) [0x00000] 
  at System.Activator.CreateInstance (System.Type type, Boolean nonPublic) [0x00000] 
  at System.Activator.CreateInstance (System.Type type) [0x00000] 
  at Mono.Addins.TypeExtensionNode.CreateInstance () [0x00000] 
  at Banshee.Dap.DapService.FindDeviceSource (IDevice device) [0x00000] 
[Warn  23:00:03.051] Caught an exception - libglib-2.0.dll (in `Banshee.Core')
  at (wrapper managed-to-native) Banshee.Base.SafeUri:g_filename_to_uri (intptr,intptr,intptr)
  at Banshee.Base.SafeUri.FilenameToUri (System.String localPath) [0x00000] 
  at Banshee.Base.SafeUri..ctor (System.String uri) [0x00000] 
  at Banshee.Dap.Mtp.MtpSource..cctor () [0x00000] 
An exception was thrown by the type initializer for Banshee.Dap.Mtp.MtpSource (in `mscorlib')
  at (wrapper managed-to-native) System.Reflection.MonoCMethod:InternalInvoke (object,object[])
  at System.Reflection.MonoCMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
Exception has been thrown by the target of an invocation. (in `mscorlib')
  at System.Reflection.MonoCMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
  at System.Reflection.MonoCMethod.Invoke (BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
  at System.Reflection.ConstructorInfo.Invoke (System.Object[] parameters) [0x00000] 
  at System.Activator.CreateInstance (System.Type type, Boolean nonPublic) [0x00000] 
  at System.Activator.CreateInstance (System.Type type) [0x00000] 
  at Mono.Addins.TypeExtensionNode.CreateInstance () [0x00000] 
  at Banshee.Dap.DapService.FindDeviceSource (IDevice device) [0x00000] 
[Warn  23:00:03.054] Caught an exception - libglib-2.0.dll (in `Banshee.Core')
  at (wrapper managed-to-native) Banshee.Base.SafeUri:g_filename_to_uri (intptr,intptr,intptr)
  at Banshee.Base.SafeUri.FilenameToUri (System.String localPath) [0x00000] 
  at Banshee.Base.SafeUri..ctor (System.String uri) [0x00000] 
  at Banshee.Dap.Mtp.MtpSource..cctor () [0x00000] 
An exception was thrown by the type initializer for Banshee.Dap.Mtp.MtpSource (in `mscorlib')
  at (wrapper managed-to-native) System.Reflection.MonoCMethod:InternalInvoke (object,object[])
  at System.Reflection.MonoCMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
Exception has been thrown by the target of an invocation. (in `mscorlib')
  at System.Reflection.MonoCMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
  at System.Reflection.MonoCMethod.Invoke (BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] 
  at System.Reflection.ConstructorInfo.Invoke (System.Object[] parameters) [0x00000] 
  at System.Activator.CreateInstance (System.Type type, Boolean nonPublic) [0x00000] 
  at System.Activator.CreateInstance (System.Type type) [0x00000] 
  at Mono.Addins.TypeExtensionNode.CreateInstance () [0x00000] 
  at Banshee.Dap.DapService.FindDeviceSource (IDevice device) [0x00000] 
[Warn  23:00:05.999] Caught an exception - Object reference not set to an instance of an object (in `Banshee.Services')
  at Banshee.MediaEngine.PlayerEngineService.FindSupportingEngine (Banshee.Base.SafeUri uri) [0x00000] 
  at Banshee.MediaEngine.PlayerEngineService.OpenCheck (System.Object o) [0x00000] 
  at Banshee.MediaEngine.PlayerEngineService.OpenPlay (Banshee.Collection.TrackInfo track, Boolean play) [0x00000] 
[Error 23:00:05.999] Problem with Player Engine - Object reference not set to an instance of an object
Comment 1 klji 2008-10-30 03:09:43 UTC 
Oh, I didn't make it explicit but I obviously already have libglib-2.0 installed.
Comment 2 Gabriel Burt 2008-10-30 03:11:28 UTC 
Thanks for the bug report. This particular bug has already been reported into our bug tracking system, but please feel free to report any further bugs you find.


*** This bug has been marked as a duplicate of 557868 ***