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visual-studio-2019 - “CascadePackage”包未正确加载

问题描述

我刚刚对 VS2019(16.9.0) 进行了更新，现在我收到了这条消息。（实际上在两台机器上）。重新启动并不能解决问题。

什么是 CascadePackage？我可以只No对对话框说就可以了吗？

另外......它提到要检查的文件......不再存在，它所在的目录也不再存在。 在此处输入图像描述

我确实在最新的 ActivityLog.xml 中找到了这一行

  <entry>
    <record>894</record>
    <time>2021/03/05 13:52:21.259</time>
    <type>Error</type>
    <source>VisualStudio</source>
    <description>SetSite failed for package [CascadePackage]Source: &apos;System.ComponentModel.Composition&apos; Description: The composition produced multiple composition errors, with 3 root causes. The root causes are provided below. Review the CompositionException.Errors property for more detailed information.&#x000D;&#x000A;&#x000D;&#x000A;1) No exports were found that match the constraint: &#x000A;&#x0009;ContractName&#x0009;Microsoft.VisualStudio.Cascade.Commands.IJoinCommandLineHandler&#x000A;&#x0009;RequiredTypeIdentity&#x0009;Microsoft.VisualStudio.Cascade.Commands.IJoinCommandLineHandler&#x000D;&#x000A;&#x000D;&#x000A;Resulting in: Cannot set import &apos;Microsoft.VisualStudio.Cascade.CascadePackage.JoinWorkspaceCommandHandler (ContractName=&quot;Microsoft.VisualStudio.Cascade.Commands.IJoinCommandLineHandler&quot;)&apos; on part &apos;Microsoft.VisualStudio.Cascade.CascadePackage&apos;.&#x000D;&#x000A;Element: Microsoft.VisualStudio.Cascade.CascadePackage.JoinWorkspaceCommandHandler (ContractName=&quot;Microsoft.VisualStudio.Cascade.Commands.IJoinCommandLineHandler&quot;) --&gt;  Microsoft.VisualStudio.Cascade.CascadePackage&#x000D;&#x000A;&#x000D;&#x000A;2) No exports were found that match the constraint: &#x000A;&#x0009;ContractName&#x0009;Microsoft.VisualStudio.Cascade.Commands.IShareCommandLineHandler&#x000A;&#x0009;RequiredTypeIdentity&#x0009;Microsoft.VisualStudio.Cascade.Commands.IShareCommandLineHandler&#x000D;&#x000A;&#x000D;&#x000A;Resulting in: Cannot set import &apos;Microsoft.VisualStudio.Cascade.CascadePackage.ShareWorkspaceCommandHandler (ContractName=&quot;Microsoft.VisualStudio.Cascade.Commands.IShareCommandLineHandler&quot;)&apos; on part &apos;Microsoft.VisualStudio.Cascade.CascadePackage&apos;.&#x000D;&#x000A;Element: Microsoft.VisualStudio.Cascade.CascadePackage.ShareWorkspaceCommandHandler (ContractName=&quot;Microsoft.VisualStudio.Cascade.Commands.IShareCommandLineHandler&quot;) --&gt;  Microsoft.VisualStudio.Cascade.CascadePackage&#x000D;&#x000A;&#x000D;&#x000A;3) No exports were found that match the constraint: &#x000A;&#x0009;ContractName&#x0009;Microsoft.VisualStudio.Cascade.Contracts.IVsCascadeClientService&#x000A;&#x0009;RequiredTypeIdentity&#x0009;Microsoft.VisualStudio.Cascade.Contracts.IVsCascadeClientService&#x000D;&#x000A;&#x000D;&#x000A;Resulting in: Cannot set import &apos;Microsoft.VisualStudio.Cascade.CascadePackage.ClientService (ContractName=&quot;Microsoft.VisualStudio.Cascade.Contracts.IVsCascadeClientService&quot;)&apos; on part &apos;Microsoft.VisualStudio.Cascade.CascadePackage&apos;.&#x000D;&#x000A;Element: Microsoft.VisualStudio.Cascade.CascadePackage.ClientService (ContractName=&quot;Microsoft.VisualStudio.Cascade.Contracts.IVsCascadeClientService&quot;) --&gt;  Microsoft.VisualStudio.Cascade.CascadePackage&#x000D;&#x000A;&#x000D;&#x000A;</description>
    <guid>{D86E17D6-7FC7-47F4-9259-21748EDFF93B}</guid>
    <hr>80131500</hr>
    <errorinfo></errorinfo>
  </entry>

标签： visual-studio-2019

解决方案

似乎这是由 LiveShare 引起的。来自Visual Studio 开发者社区

只需搜索

“CascadePackage”包未正确加载

至于我的两个问题：

在一台机器上...通过启动 VisualStudio，错误消失了。

在另一台机器上，我进入工具->获取工具和功能...
单击Individual components搜索 Live Share。取消选中它。重启VS。

返回工具->获取工具和功能...
单击 Individual components搜索 Live Share。回来看看。

有关 ActivityLog 的更多信息...
Visual Studio 使用/log更新选项。这将创建 ActivityLog.xml。
更多在这里/Log (devenv.exe)你也可以自己做。

ActivityLog.xml 的描述部分将列出问题所在。这是 OP 中原始消息的编辑细分。

<entry>
    <record>894</record>
    <time>2021/03/05 13:52:21.259</time>
    <type>Error</type>
    <source>VisualStudio</source>
    <description>SetSite failed for package [CascadePackage]Source: &apos;System.ComponentModel.Composition&apos; 
    Description: The composition produced multiple composition errors, with 3 root causes. 
    The root causes are provided below. 
    Review the CompositionException.Errors property for more detailed information.&#x000D;&#x000A;&#x000D;&#x000A;
    1) No exports were found that match the constraint: &#x000A;&#x0009;
    ContractName&#x0009;Microsoft.VisualStudio.Cascade.Commands.IJoinCommandLineHandler&#x000A;&#x0009;
    RequiredTypeIdentity&#x0009;Microsoft.VisualStudio.Cascade.Commands.IJoinCommandLineHandler&#x000D;&#x000A;&#x000D;&#x000A;
    Resulting in: Cannot set import &apos;
    Microsoft.VisualStudio.Cascade.CascadePackage.JoinWorkspaceCommandHandler (ContractName=&quot;
    Microsoft.VisualStudio.Cascade.Commands.IJoinCommandLineHandler&quot;)&apos; on part &apos;
    Microsoft.VisualStudio.Cascade.CascadePackage&apos;.&#x000D;&#x000A;
    Element: Microsoft.VisualStudio.Cascade.CascadePackage.JoinWorkspaceCommandHandler (ContractName=&quot;
    Microsoft.VisualStudio.Cascade.Commands.IJoinCommandLineHandler&quot;) --&gt;  
    Microsoft.VisualStudio.Cascade.CascadePackage&#x000D;&#x000A;&#x000D;&#x000A;
    2) No exports were found that match the constraint: &#x000A;&#x0009;
    ContractName&#x0009;Microsoft.VisualStudio.Cascade.Commands.IShareCommandLineHandler&#x000A;&#x0009;
    RequiredTypeIdentity&#x0009;
    Microsoft.VisualStudio.Cascade.Commands.IShareCommandLineHandler&#x000D;&#x000A;&#x000D;&#x000A;
    Resulting in: Cannot set import &apos;
    Microsoft.VisualStudio.Cascade.CascadePackage.ShareWorkspaceCommandHandler (ContractName=&quot;
    Microsoft.VisualStudio.Cascade.Commands.IShareCommandLineHandler&quot;)&apos; on part &apos;
    Microsoft.VisualStudio.Cascade.CascadePackage&apos;.&#x000D;&#x000A;
    Element: Microsoft.VisualStudio.Cascade.CascadePackage.ShareWorkspaceCommandHandler (ContractName=&quot;
    Microsoft.VisualStudio.Cascade.Commands.IShareCommandLineHandler&quot;) --&gt;  
    Microsoft.VisualStudio.Cascade.CascadePackage&#x000D;&#x000A;&#x000D;&#x000A;
    3) No exports were found that match the constraint: &#x000A;&#x0009;ContractName&#x0009;
    Microsoft.VisualStudio.Cascade.Contracts.IVsCascadeClientService&#x000A;&#x0009;RequiredTypeIdentity&#x0009;
    Microsoft.VisualStudio.Cascade.Contracts.IVsCascadeClientService&#x000D;&#x000A;&#x000D;&#x000A;
    Resulting in: Cannot set import &apos;
    Microsoft.VisualStudio.Cascade.CascadePackage.ClientService (ContractName=&quot;
    Microsoft.VisualStudio.Cascade.Contracts.IVsCascadeClientService&quot;)&apos; on part &apos;
    Microsoft.VisualStudio.Cascade.CascadePackage&apos;.&#x000D;&#x000A;
    Element: Microsoft.VisualStudio.Cascade.CascadePackage.ClientService (ContractName=&quot;
    Microsoft.VisualStudio.Cascade.Contracts.IVsCascadeClientService&quot;) --&gt;  
    Microsoft.VisualStudio.Cascade.CascadePackage&#x000D;&#x000A;&#x000D;&#x000A;
    </description>
    <guid>{D86E17D6-7FC7-47F4-9259-21748EDFF93B}</guid>
    <hr>80131500</hr>
    <errorinfo></errorinfo>
  </entry>

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