When I execute the tests suite I'm getting this error, not always and the tests doesn't fail. But is weird java.lang.NullPointerException: Inflater has been closed at java.util.zip.Inflater.ensureOpen ...
Internal error: java.lang.NullPointerException: Cannot invoke "org.eclipse.lsp4j.ServerCapabilities.getCodeActionProvider()" because "this.serverCapabilities" is null ...