将VS2019扩展移植到VS2022时遇Catastrophic failure错误求助
VS2019工具窗口扩展移植到VS2022后后续打开触发COM异常的问题
问题概述
将Visual Studio 2019的工具窗口扩展移植到Visual Studio 2022后,首次启动VS时扩展可正常工作,但后续打开工具窗口会抛出以下COM异常:
Exception details: System.Runtime.InteropServices.COMException (0x8000FFFF): Catastrophic failure (Exception from HRESULT: 0x8000FFFF (E_UNEXPECTED)) at System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo) at Microsoft.VisualStudio.Shell.Package.CreateFrameForToolWindow(ToolWindowCreationResult result, Int32 id, Guid persistenceGuid) at Microsoft.VisualStudio.Shell.Package.<>c__DisplayClass84_0.<CreateToolWindow>g__CreateToolWindowWorker|1() at Microsoft.VisualStudio.Shell.Package.CreateToolWindow(Type toolWindowType, Int32 id, UInt32 flags, Object context, Guid persistenceGuid) at Microsoft.VisualStudio.Shell.Package.CreateToolWindow(Type toolWindowType, Int32 id, Object context) at Microsoft.VisualStudio.Shell.Package.<>c__DisplayClass94_1.<<FindToolWindow>b__1>d.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.VisualStudio.Shell.Package.<>c__DisplayClass94_0.<<FindToolWindow>b__0>d.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.VisualStudio.Shell.ToolWindowCollection.ToolWindowListener.<>c__DisplayClass1_0.<<-ctor>b__0>d.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.VisualStudio.Threading.AwaitExtensions.ExecuteContinuationSynchronouslyAwaiter`1.GetResult() at Microsoft.VisualStudio.Threading.AsyncLazy`1.<>c__DisplayClass13_0.<<GetValueAsync>b__0>d.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.VisualStudio.Threading.AsyncLazy`1.GetValue(CancellationToken cancellationToken) at Microsoft.VisualStudio.Shell.Package.FindToolWindow(Type toolWindowType, Int32 id, Boolean create, ProvideToolWindowAttribute tool) at Microsoft.VisualStudio.Shell.Package.CreateToolWindow(Guid& toolWindowType, Int32 id) at System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo) at Microsoft.VisualStudio.Platform.WindowManagement.WindowFrame.<ConstructContent>g__ConstructContentFromPackage|145_1(WindowFrame frame) at Microsoft.VisualStudio.Platform.WindowManagement.WindowFrame.ConstructContent()
- 临时缓解手段:删除
C:\Users\username\AppData\Local\Microsoft\VisualStudio路径下的Visual Studio 17*本地目录可恢复正常,但仅生效一次。 - 使用环境:Microsoft Visual Studio Professional 2022 (64-bit) - LTSC 17.4 - Version 17.4.4
- 已完成操作:将DLL引用从旧版本更新至17.*版本,例如替换
Microsoft.VisualStudio.Shell.dll为Microsoft.VisualStudio.Shell.15.0.dll
排查与解决建议
1. 修正Shell引用版本
- 当前使用的
Microsoft.VisualStudio.Shell.15.0.dll是VS2017版本组件,存在兼容性问题,需替换为VS2022对应的Microsoft.VisualStudio.Shell.17.0.dll。 - 确保项目引用的
Microsoft.VisualStudio.SDKNuGet包版本匹配VS2022 17.4.4,建议使用17.4.x系列的SDK包。
2. 检查ProvideToolWindowAttribute配置
- 移除VS2019特定的配置项,验证
Style、MultiInstances、Transient等属性是否适配VS2022窗口管理机制。 - 临时设置
Transient = true禁用窗口状态持久化,若问题消失,说明是持久化状态冲突导致的异常。
3. 清理工具窗口初始化逻辑
- 检查工具窗口类的构造函数、
OnToolWindowCreated方法,确保没有持有过时的VS对象引用,窗口关闭后正确释放资源。 - 避免在窗口持久化状态中存储无法序列化的对象,VS2022对状态序列化机制有更新。
4. 验证Package类实现
- 确保Package类的
Initialize方法没有重复注册工具窗口,或在后续启动时重复执行初始化逻辑。 - 检查
FindToolWindow方法的调用参数,特别是create参数的使用场景是否正确。
5. 调试窗口创建流程
- 启用VS扩展调试模式,在工具窗口构造函数、
CreateToolWindow调用点等关键位置设置断点,跟踪后续启动时的异常触发路径,定位具体的资源冲突或对象引用问题。
内容的提问来源于stack exchange,提问作者Pranav Gour
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