function function1() {
  return new Promise((resolve, reject) => {
      console.log("http request");
      resolve();
  });
}

function function2(error) {
  return new Promise((resolve, reject) => {
      if (error) throw new Error('invalidate cache error!');
      console.log("invalidate cache");
      resolve();
  });
}

console.log("------------------- INCORRECT ERROR HANDLING ------------------------");
function1()
    .then(() => {
        function2(true);
    })
    .catch(err => console.error("ERROR!!!", err.message));

console.log("-------------------- CORRECT ERROR HANDLING -------------------------");
function1()
    .then(() => function2(true))
    .catch(err => console.error("ERROR!!!", err.message));
console.log("------------------------------ FIN ----------------------------------");