CODEWITHSUNDEEP
javaasynchronousratpack
hisdudeness
hisdudeness

Reputation: 458

When resolving promises returned by an API call using .then, I get a gateway timeout issue intermittently. How do i avoid it?

Say I have to perform an insert operation on a database, but before that I need to call a function(maybe more than one), that hits a url with the data to be inserted in DB, which returns values that dictate whether the data being held in my app, is eligible for insertion. 

void func(DataToInsert data) {
    Promise<ReceivedResponse> response = checkIfDataIsEligibleForInsertion(data));

  response.then(result-> {
      if(result.getoperationstatus().equals("FAILED")) {
          // Log message
      } else{
          performInsertOp(data);
      }
  });
}

Promise<ReceivedResponse> checkIfDataIsEligibleForInsertion(DataToInsert data) {
    // API call performed through an async httpclient and promise returned
}

I often get a gateway timeout. How do I avoid this and ensure that the eligibility checking op completes before insertion operation?

I'm looking for solutions that can be used in a ratpack+java application

Upvotes: 0

Views: 245

Answers (0)

Related Questions