All Questions
Tagged with asynchronous java
3,162 questions
3
votes
1
answer
135
views
Java combining async and separate threads, slow performance
I have the following function that returns a list that would contain the names of the audio files, once they are downloaded:
List<CompletableFuture<String>> getAudios(List<String> ...
- 5,172
0
votes
1
answer
30
views
Mocking Object Initialization In a Spring Webflux Asynchronous Call
The myService class contains the myMethod method that asyinitializes a new Auth object (external-library) and executes the doAction() function.
public String myMethod(String param1, String param2) {
...
- 3
3
votes
0
answers
33
views
Does `AsynchronousSocketChannel.write` and `read` methods apply a memory fence before calling the `CompletionHandler` methods?
When using AsynchronousSocketChannel.write to transmit a message,
class Transmitter(channel: AsynchronousSocketChannel) {
def transmit(bytes: Array[Byte])(onComplete: Consumer[String]): ...
- 1,270
0
votes
1
answer
45
views
Display Product data from BillingClient
I have made the following BillingManager class to handle the Google Play Billing Library for my Android app:
public class BillingManager {
private List<ProductDetails> productDetailsList;
...
- 23
0
votes
1
answer
48
views
Warning about generic wildcard when returning Future object
I'm wondering why do I get warning message when I am trying to return Future object with generic wildcard, or maybe I dont have to worry about it at all?
My code:
public static Future<?> ...
- 55
0
votes
1
answer
138
views
How to configure asynchronous processors with StepBuilder in Spring batch v5.2
StepBuilderFactory is deprecated and scheduled for removal in v5.2 in favor of using the StepBuilder.
I use StepBuilder to build my steps. Now I want to implement asynchronous processors using ...
- 170
1
vote
0
answers
76
views
Java grpc client batches message responses for async unary calls
We have the following code that is used to retrieve events from a gRPC server on our backend and then resolve events (in the order they are received). It's supposed to do this asynchronously to ...
- 11
0
votes
1
answer
38
views
What is the proper way to make a search call in async mode in unboundId ldap sdk for java?
Based on https://docs.ldap.com/ldap-sdk/docs/getting-started/asynchronous.html
I try to implement a function which will return entry by DN in async manner. So my code is:
val searchRequest = ...
- 36.7k
0
votes
0
answers
63
views
SSE Async API in Spring MVC throws Error IllegalStateException: Cannot call sendError() after the response has been committed
I have Spring MVC Service with SSE API having controller return type ResponseEntity<SseEmitter>.
and in background Async thread, we send continuous data messages to the client over SseEmitter
@...
0
votes
1
answer
75
views
Testing Async (ApplicationModuleListener) exception throwing
I am trying to test an async listener method - annotated with @ApplicationModuleListener (this is important for other aspects of an app, so this itself is not any problem), which I see is also ...
- 99
0
votes
0
answers
110
views
How asynchrony works in Spring Framework?
How to asynchronously execute this method? I read on the Internet and it says that by default Spring is not asynchronous. But I noticed a strange feature: when testing this endpoint using Postman with ...
0
votes
0
answers
18
views
JBoss EAP 6 EJB - how to wait for response synchronously from JMS
I want to send message to AMQ and wait for synchronous reply, in case of error, throws application exception.
I have 4 solutions:
MessageReceiver.receive() (waits indefinitely, current impl. but is ...
- 12.9k
-1
votes
1
answer
65
views
Failing JWT Authentication in spring with async requests
Hello everyone I wrote an api Backend in Spring and added jwt Authentication. The problem is that I wrote everything async and now the Authentication doesnt work with the async methodes. The token is ...
0
votes
0
answers
11
views
EventBus with undeploy verticle
This is a code example：
public class EventTest {
public static void main(String[] args) {
var latch = new CountDownLatch(1);
var vertx = Vertx.vertx();
vertx.eventBus()....
- 1
0
votes
0
answers
40
views
Is my non-blocking POST request retry logic using CompletableFuture overcomplicated?
I am implementing a non-blocking retry logic for a POST request in Java using CompletableFuture. The goal is to retry the request up to n times and return the final result (either success or failure) ...
- 577