All Questions
35 questions
0
votes
0
answers
45
views
Error starting Kafka Broker in a Kraft Cluster
I would like to set up 3 Brokers and 3 Controllers with option to expanding.
Here is my Docker Compose file:
services:
# 📌 Controller-1
kafka-controller-1:
image: bitnami/kafka:latest
...
- 31.5k
0
votes
1
answer
230
views
Kafka authentication with scram 512 and KRAFT mode doesn't work
Kafka authentication with scram 512 and KRAFT mode doesn't work. My docker compose looks like this.
services:
kafka-1:
image: confluentinc/cp-kafka:7.7.1
ports:
- '9092:9092'
...
- 1
0
votes
0
answers
293
views
Apache Kafka Kraft - Cancelled in-flight API_VERSIONS request
acks = -1
auto.include.jmx.reporter = true
batch.size = 16384
bootstrap.servers = [localhost:9092, localhost:9094, localhost:9096]
buffer.memory = 33554432
client.dns.lookup = ...
- 47
0
votes
0
answers
13
views
Microservice doesn't map ports correctly on Kafka [duplicate]
My microservice application throws a continuous error while trying to use Kafka. I am testing several configuration possibilities and I cannot understand why it doesn't work.
Configuration of ...
- 83
0
votes
1
answer
1k
views
Docker Compose with Java Spring Boot and Apache Kafka Bitnami (KRaft without Zookeeper)
I'm trying to send some event to topic "helloworld" from Spring Boot Producer to Apache Kafka (KRaft without Zookeeper). I use following URL: http://localhost:8080/helloworld/name/Chris
As ...
- 1
-1
votes
1
answer
462
views
Kafka consumer application fails to connect with Azure eventhubs with docker compose but works fine with docker
I have a Java application which works fine using docker. It consumes messages from Azure EventHubs, does some transformations and saves them to a database. The dockerfile is simply:
FROM adoptopenjdk:...
- 22.2k
1
vote
1
answer
7k
views
Testcontainers SchemaRegistry can't connect to Kafka container
I want to run integration tests that test my kafka listener and avro serialization. this requires a Kafka and a Schema regsitry (transitively also a Zookeeper).
When testing I currently have to a ...
- 13
2
votes
0
answers
470
views
kafka running in Docker logs: "java.lang.OutOfMemoryError: Direct buffer memory" when receiving payload from Github
We have in our production
kafka --version
7.2.1-ccs (Commit:80334008361592c187b36a27536f10f33fe93aa3)
running in a docker Container
java -version
openjdk version "11.0.15" 2022-04-19 LTS
...
- 31
0
votes
0
answers
20
views
Docker compose - kafka and zookeper starting before an web app [duplicate]
i try to dockerize my apps and i am tryimng to start 3 containers with docker compose.
My docker-compose:
version: '3'
services:
zookeeper:
image: wurstmeister/zookeeper
ports:
- "...
0
votes
1
answer
742
views
Can't send messages to kafka topics in docker-compose
I have written a docker-compose.yml file to allow multiple services to be linked and started at once.
I have a jar that sends messages in JSON format to a kafka topic inside a container, only it ...
- 91
1
vote
0
answers
23
views
Kafka unable to send/receive the message [duplicate]
I'm trying to send a message with Kafka but everytime I send I get this message in the console:
My docker compose is:
version: '3'
services:
zookeeper:
image: wurstmeister/zookeeper
...
- 296
0
votes
0
answers
10
views
unable to connect springboot and kafka application when deploying to 2 different servers [duplicate]
this is kafka docker-compose:
version: '2'
services:
zookeeper:
image: "confluentinc/cp-zookeeper:5.2.1"
environment:
ZOOKEEPER_CLIENT_PORT: 2181
ZOOKEEPER_TICK_TIME: ...
- 1
0
votes
1
answer
5k
views
KafkaListener can not receive message after Spring boot application restart
I have an Springboot with Kafka application, and my Kafka cluster start with docker compose file. However, if Kafka cluster keep start, but Spring boot application restart, it can not receive any ...
- 113
1
vote
1
answer
6k
views
how to docker-compose spring-boot with kafka? [duplicate]
Execution is working fine but I think I am missing something, because when I use the REST API it will show:
(/127.0.0.1:9092) could not be established. Broker may not be available
You may see this ...
user17944361
1
vote
0
answers
23
views
Docker Issue: Can't connect to landoop kafka cluster from docker service in the same docker-compose.yml [duplicate]
When attempting to Dockerize my application, the images and container properly get created. However, when attempting to utilize Docker Landoop Kafka Cluster, my microservice applications (...
- 11