Bug 882 - Unhandled Exception
Summary: Unhandled Exception
Alias: None
Product: Xamarin Studio
Classification: Desktop
Component: General ()
Version: 2.6
Hardware: PC Windows
: Low normal
Target Milestone: ---
Assignee: Bugzilla
Depends on:
Reported: 2011-09-18 06:22 UTC by Benjamin Zhao
Modified: 2013-01-14 09:41 UTC (History)
2 users (show)

Is this bug a regression?: ---
Last known good build:

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Description Benjamin Zhao 2011-09-18 06:22:46 UTC
System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.ArgumentNullException: Value cannot be null.

Parameter name: path

   at System.IO.Path.GetFullPathInternal(String path)

   at System.IO.Path.GetFullPath(String path)

   at MonoDevelop.Core.FilePath.get_CanonicalPath()

   at MonoDevelop.Ide.Gui.Pads.ProjectPad.ProjectFolder..ctor(FilePath absolutePath, IWorkspaceObject parentWorkspaceObject, Object parent)

   at MonoDevelop.Ide.Gui.Pads.ProjectPad.ProjectFolder.get_Parent()

   at MonoDevelop.Ide.Gui.Pads.ProjectPad.ProjectFolderNodeBuilder.GetParentObject(Object dataObject)

   at MonoDevelop.Ide.Gui.Components.ExtensibleTreeView.GetNodeAtObject(Object dataObject, Boolean createTreeBranch)

   at MonoDevelop.Ide.Gui.Components.ExtensibleTreeView.GetNodeAtObject(Object dataObject, Boolean createTreeBranch)

   at MonoDevelop.Ide.Gui.Components.ExtensibleTreeView.GetNodeAtObject(Object dataObject, Boolean createTreeBranch)

   at MonoDevelop.Ide.Gui.Pads.ProjectPad.ProjectSolutionPad.SelectActiveFile()

   at MonoDevelop.Ide.DispatchService.GuiDispatch(MessageHandler cb)

   at MonoDevelop.Ide.Gui.Pads.ProjectPad.ProjectSolutionPad.OnWindowChanged(Object ob, EventArgs args)

   at System.EventHandler.Invoke(Object sender, EventArgs e)

   at MonoDevelop.Ide.Gui.Workbench.OnDocumentChanged(Object s, EventArgs a)

   at MonoDevelop.Ide.Gui.DefaultWorkbench.OnActiveWindowChanged(Object sender, EventArgs e)

   at MonoDevelop.Ide.Gui.DefaultWorkbench.RemoveTab(Int32 pageNum)

   at MonoDevelop.Ide.Gui.SdiWorkspaceWindow.CloseWindow(Boolean force, Boolean fromMenu, Int32 pageNum)

   at MonoDevelop.Ide.Gui.DefaultWorkbench.closeClicked(Object o, EventArgs e)

   at MonoDevelop.Components.TabLabel.ButtonClicked(Object o, EventArgs eventArgs)

   --- End of inner exception stack trace ---

   at System.RuntimeMethodHandle._InvokeMethodFast(IRuntimeMethodInfo method, Object target, Object[] arguments, SignatureStruct& sig, MethodAttributes methodAttributes, RuntimeType typeOwner)

   at System.RuntimeMethodHandle.InvokeMethodFast(IRuntimeMethodInfo method, Object target, Object[] arguments, Signature sig, MethodAttributes methodAttributes, RuntimeType typeOwner)

   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, Boolean skipVisibilityChecks)

   at System.Delegate.DynamicInvokeImpl(Object[] args)

   at GLib.Signal.ClosureInvokedCB(Object o, ClosureInvokedArgs args)

   at GLib.SignalClosure.Invoke(ClosureInvokedArgs args)

   at GLib.SignalClosure.MarshalCallback(IntPtr raw_closure, IntPtr return_val, UInt32 n_param_vals, IntPtr param_values, IntPtr invocation_hint, IntPtr marshal_data)
Comment 1 Jeffrey Stedfast 2011-11-15 14:49:56 UTC
Hi Benjamin,

Can you reproduce this bug reliably? And if so, how?
Comment 2 Alan McGovern 2013-01-14 09:41:57 UTC
I believe this has been fixed. I patched some cases of this at least 6 months ago and have not seen the issue since.