Rescue IOError during shutdown

Author: andyw8

lib/ruby_lsp/ruby_lsp_rails/runner_client.rb

@@ -84,9 +84,7 @@ def initialize
             if @wait_thread.alive?
               $stderr.puts("Ruby LSP Rails is force killing the server")
               sleep(0.5) # give the server a bit of time if we already issued a shutdown notification
-
-              # Windows does not support the `TERM` signal, so we're forced to use `KILL` here
-              Process.kill(T.must(Signal.list["KILL"]), @wait_thread.pid)
+              force_kill
             end
           end
         end
@@ -149,6 +147,9 @@ def shutdown
         send_message("shutdown")
         sleep(0.5) # give the server a bit of time to shutdown
         [@stdin, @stdout, @stderr].each(&:close)
+      rescue IOError
+        # The server connection may have died
+        force_kill
       end
 
       sig { returns(T::Boolean) }
@@ -229,6 +230,11 @@ def rails_root
 
       private
 
+      def force_kill
+        # Windows does not support the `TERM` signal, so we're forced to use `KILL` here
+        Process.kill(T.must(Signal.list["KILL"]), @wait_thread.pid)
+      end
+
       sig { override.params(request: String, params: T.nilable(T::Hash[Symbol, T.untyped])).void }
       def send_message(request, params = nil)
         # no-op