var mod_fs = require('fs'); var mod_verror = require('../lib/verror'); var filename = '/nonexistent'; mod_fs.stat(filename, function (err1) { var err2 = new mod_verror.VError(err1, 'failed to stat "%s"', filename); /* The following would normally be higher up the stack. */ var err3 = new mod_verror.VError(err2, 'failed to handle request'); console.log(err3.message); console.log(err3.stack); });