FTP connection failure on tree-view-sample

Extension sample

tree-view-sample

VS Code version

1.86.1

What went wrong?

Running the tree-view-sample displays the following error:

Error while connecting: Timeout while connecting to server.

The default ftp address embedded in the source code FtpModel('mirror.switch.ch', 'anonymous', 'anonymous@anonymous.de') does not seem to work.

I try to work on other TreeView classes DepNodeProvider, JsonOutlineProvider, but not all features are equally implemented -- FYI, I was trying to have a look into how getParent() works when treeView.reveal(node) is called.

We don't have lot of FTP servers in the wild nowadays, and hunting for a public ftp server just so that I can see how the API for the UI works seems like a wrong direction. It would be great if we can get a reliable FTP address just for the sample, but if it is too difficult, maybe we should think of another example to demonstrate the feature.