title: Couldn't start dlv dap
body: <p>When I launch in VSCode dlv dap debug, I get this message:</p>
  <pre><code>Couldn't start dlv dap:
  Error:timed out while waiting for DAP server to start
  </code></pre>
  <p><img src="https://i.stack.imgur.com/MI2WS.png" alt="" /></p>
  <p>I already have launch configurations for the project：</p>
  <p>lunch.json:</p>
  <pre><code>{
  &quot;version&quot;: &quot;0.2.0&quot;,
  &quot;configurations&quot;: [
      {
          &quot;name&quot;: &quot;Launch file&quot;,
          &quot;type&quot;: &quot;go&quot;,
          &quot;request&quot;: &quot;launch&quot;,
          &quot;mode&quot;: &quot;debug&quot;,
          &quot;program&quot;: &quot;${workspaceFolder}&quot;,
          &quot;showLog&quot;: true,
          &quot;env&quot;: {
              &quot;GO111MODULE&quot;: &quot;on&quot;
          }
      }
  ]
  }
  </code></pre>
  <p>and setting.json is :</p>
  <pre><code>{
  &quot;folders&quot;: [
      {
          &quot;path&quot;: &quot;.&quot;
      }
  ],
  &quot;settings&quot;: {
      &quot;go.useCodeSnippetsOnFunctionSuggestWithoutType&quot;: true,
      &quot;go.autocompleteUnimportedPackages&quot;: true, 
      &quot;go.gocodePackageLookupMode&quot;: &quot;go&quot;,
      &quot;go.gotoSymbol.includeImports&quot;: true,
      &quot;go.useCodeSnippetsOnFunctionSuggest&quot;: true,
      &quot;explorer.confirmDelete&quot;: false,
      &quot;go.formatTool&quot;: &quot;goimports&quot;,
      &quot;go.docsTool&quot;: &quot;gogetdoc&quot;,
      &quot;go.buildFlags&quot;: [],
      &quot;explorer.confirmDragAndDrop&quot;: false,
      &quot;window.zoomLevel&quot;: 0.8,
      &quot;editor.minimap.enabled&quot;: false,
      &quot;go.useLanguageServer&quot;: true,
      &quot;go.delveConfig&quot;:{
          &quot;debugAdapter&quot;:&quot;dlv-dap&quot;
          },
      &quot;[go]&quot;: {
          &quot;editor.snippetSuggestions&quot;: &quot;none&quot;,
          &quot;editor.formatOnType&quot;: true,
          &quot;editor.formatOnSave&quot;: true,
          &quot;editor.codeActionsOnSave&quot;: {
              &quot;source.organizeImports&quot;: true
          }
      },
      &quot;gopls&quot;: {
          &quot;experimentalWorkspaceModule&quot;: true,
          &quot;usePlaceholders&quot;: true, // add parameter placeholders when completing a function
          &quot;completionDocumentation&quot;: true // for documentation in completion items
      }
  },
      
  }
  </code></pre>
  <p>The structure of the project is shown in the figure：</p>
  <p><img src="https://i.stack.imgur.com/aLTXy.png" alt="" /></p>