Kafka node not working From my laptops bash I can interact with the kafka installation in the following fashion without running into any kind of errors: • A Transformation Hub with 3 masters and 3 or more worker nodes should have at least 2 or more master and worker nodes running (quorum) to work properly in high availability. Jun 26, 2019 · I do not get the messages that are described on the README. I pull kafka bitnami version 22. Kafka is known I have 3 node kafka cluster each having zookeeper and kafka. If you read the Feb 28, 2023 · We are running a node service on docker (image node:lts-bullseye) We are currently using kafkajs, which is really easy to use, the problem is that sometimes after the Kafka rebalances and moves top Sep 4, 2019 · In this case the problem was that the bootstrap server was not reachable from the machine where I was running the kafka-consumer-groups cli tool. Jan 2, 2025 · Struggling to connect Kafka brokers to Zookeeper? Uncover the hidden issues and solutions that will restore your data streaming power! May 30, 2022 · Ok here is one weird issue that I am facing. Simply download lz4 instead of kafkajs-lz4 works for me. This library leverages the work and concepts from two popular Apache Kafka JavaScript clients: node-rdkafka and KafkaJS. Jul 24, 2017 · client. e. On one hand, isolated occurrences are expected and well mitigated by the Apache Kafka® protocol, for example if a partition leadership moved to a different node so the cluster remains available and balanced. There are 1605 other projects in the npm registry using kafkajs. apache. Mar 16, 2023 · Multiple Kafka consumer not working #11290 Closed thuykaka opened on Mar 16, 2023 May 15, 2020 · const kafka = new Kafka({ brokers: ['localhost:9092'], ssl: { rejectUnauthorized: false } }) const producer = kafka. commit=false tells the kafka-clients not to commit offsets, but Spring will commit offsets by default. Contribute to provectus/kafka-ui development by creating an account on GitHub. All the posts or questions that I check, seems not to have any pr Dec 31, 2024 · 11:27:40. How to troubleshoot connectivity between Kafka clients (Python, Java, Spring, Go, etc. 1. kafka-console-producer. But after going into multi-node cluster we are facing this issue Jan 17, 2023 · I read that Kafka no longer requires zookeeper, so I don't want to have zookeeper in docker-compose. Consumer groups __must have__ unique group ids within the cluster, from a kafka broker perspective. There is a note about how to get this value in the documentation: When the embedded Kafka and embedded Zookeeper server are started by the EmbeddedKafkaBroker, a system property named spring. We provide a step-by-step guide starting from installation to running your Kafka server. This post will explain how node ports work and how can they be used with Kafka. This guide will walk you through common causes and solutions to effectively troubleshoot and resolve these issues. Jul 27, 2022 · I've wasted a lot of time trying to get Kafka-GUI running. A few questions: What happens when all the brokers are down and they're not responding at all? Does the Producer need to keep pinging the Ka Nov 27, 2019 · I have consumer and producer setup in two different node apps. send(ProducerRecord<K, V> record, Callback callback) then I receive the exception as expected (the exception is a org. Apr 23, 2025 · Discover the most common Apache Kafka issues and their practical solutions. config. A messaging system lets you send messages between processes, applications, and servers. Apr 1, 2024 · Apache Kafka is a publish-subscribe messaging system. Aug 29, 2024 · Learn how to resolve common Apache Kafka® errors like broker not available, offset out of range, & more with these troubleshooting tips. It is completely isolated from the outside world. sh --bootstrap-server quickstart. Jul 29, 2023 · Kafka Crash Course. Start using kafkajs in your project by running `npm i kafkajs`. - The zookeeper servers are located on kafka brokers. KafkaJS is an open-source Kafka client written in JavaScript for simple deployment and a modern, easy API. Jun 18, 2017 · The producer (from the tutorial) is working, but I can never get consumer to work. Then use the cluster ID to format storage for each node in the cluster with the kafka-storage tool that is provided with Confluent Platform, and the format command like the following example, specifying the properties file for a controller. Latest version: 5. Both kafka and kafka-ui are in containers. Here’s the story. In this Mar 8, 2016 · I am trying to use wurstmeister\\kafka-docker image with docker-compose, but I am having real problems with connecting everything. This is what I used. 5. The kafka-node producer is able to send message to one of partition, but Mar 6, 2018 · I see someTopic in the consumer command and randomTopic in the producer. 0& Learn common causes of Apache Kafka® broker failures, as well as how to recover from outages and ensure high availability and resilience in your Kafka cluster. Start using kafka-streams in your project by running `npm i kafka-streams`. It is in windows environment and here's my kafka server's code in eclipse Properties prop Troubleshoot Apache Kafka® consumer connections Apache Kafka® consumers sometimes experience disconnections from a cluster node. May 29, 2018 · **Below are the screenshot for the same ** No partitions assigned to first consumer instance No partitions assigned to last consumer instance We also suspect clustering of kafka. We're testing out the Producer and Consumer using Kafka. Aug 29, 2021 · consumer. I follow the below commands. Jun 19, 2019 · I use kafka-node on my windows machine, when Kafka is on a remote centos7 machine. Aug 14, 2023 · However, while the node pools feature gate is at the alpha phase, these fields are still mandatory in the Kafka resource. 9. 4. yml). So finally I decided to use kafkajs instead of kafka-node. I am trying to reset the topic for a consumer group. Questions? I tested it in two ways, one was using the command line and the other was writing the nodejs. However, running Kafka components with multiple replicas can provide faster failover times as the other nodes will be up and running. If i explicitly kill the leader node both zookeeper and kafka the whole cluster is not accepting any incoming data and waiting for the n Jun 6, 2025 · This article provides troubleshooting tips for issues that you might run into when using Event Hubs for Apache Kafka. I am trying to build a custom Kafka Consumer node where I am using a function which gets triggered every time a message is received ( Consuming Messages · KafkaJS) When I start the Node-RED for the first time, everything works fine May 28, 2023 · I think that when the 1002 node cannot connect for some time, the Kafka client should automatically try to reconnect using bootstrap. The left window is consumer an Jul 7, 2025 · Kafka Listener Process Not Executing If Kafka Listener Process does not start or when there are no executions in Process Reporting page, it may indicate that the basic runtime/runtime cluster where the Kafka Listener Process is deployed is unable to connect to the Kafka server. The goal is to expose the individual Kafka Brokers When running a Kafka component on Kubernetes it may not be necessary to run multiple replicas for high availability. 2. getting below error [2018-12-27 21:13:27,169] WARN [Consumer clientId=consumer-1, groupId=mygroup] Connection to node 0 could not be established. 0) from the broker to the logstash vendor lib directory. kafka-streams for Node. zookeeper. It will also show you the various configuration options, and how to tune them for a production setup. Aug 4, 2016 · The 3 node kafka cluster is setup with TLS with inter broker communication protocol as SSL. However, my Connect instance log is constantly outputting these kind of errors: [2023-02-27 21:31:08,417] INFO [jd Oct 7, 2024 · Discover the most common Apache Kafka® performance issues, including consumer lag, broker overload, & disk I/O bottlenecks, with actionable solutions. it should be pretty popular. Just imagine being able to process large Nov 3, 2023 · Randomly 2 nodes are working fine and 3rd node is always getting the following error: [2023-11-03 04:12:59,865] INFO [broker-1-to-controller-forwarding-channel-manager]: Starting (kafka. 8 MVN version: 3. 0. js Fri, Mar 1, 2024 Rationale Most likely You already tried to use Kafka, and as the Kafka website mentions: More than 80% of all Fortune 100 companies trust, and use Kafka. Some of the communication between the services happens via Kafka. Exchanging the image with apache/kafka:3. Thanks to trying out a different UI, some config there hinted that broker:9092 should also be provided as a bootstrap server. 12. You deploy it to Kubernetes, wait a few hours, and suddenly … What’s happening? Feb 22, 2025 · Kafka provides a kafka-topics. All the complexity of balancing writes across partitions and managing (possibly ever-changing) brokers should be encapsulated in the library. This step-by-step guide covers everything you need to harness the full potential of Kafka in your Node-RED applications. But I don't know which kafka image can work w/o zookeeper. Jan 27, 2024 · We have upgraded the spring-boot version with 3. The Nov 28, 2014 · I am running kafka on ec2 instance. embedded. server. While working with Kafka, developers may encounter various errors. Note: podman or docker, the commands are the same. md. sh files? OK, I seem to have made some progress here. I did not understand what cleanup I should do. Apr 23, 2024 · Delve into common Kafka issues and their resolutions. I found producer. The node-rdkafka library is a high-performance NodeJS client for Apache Kafka that wraps the native librdkafka library. Jan 31, 2025 · My focus at the moment is only on the producer. The problem I am running into is that though the zookeeper instances can communicate with one another via the client port 2181, they cannot reach one another via the election port of 3888 and cannot Sep 22, 2020 · Imagine you are working on your Kafka Streams application. sh --bootstrap-server <broker:port> --topic <topic-name> --alter --partitions <number> <*pre> Let's suppose our broker is running at localhost:9092, the topic name is my-topic, and the existing partitions are two. 8 Sub Module POM <modelVersion>4. You can use tools like grep or tail to search for these messages. 3. I have make sure that the command line consumer work. Dec 1, 2023 · Learn how to maintain consistent, reliable data flows in Kafka messaging environments using pause-resume methods and asynchronous implementation in Spring Boot. Sometimes the consumer doesnt consume messages even though the producer has successfully published the message The workarounds for solving this issue without upgrading the cluster to Amazon MSK bug-fix version 2. How do I fix this? (With KRaft, not Zookeeper!) Jan 13, 2017 · I have been trying to get a zookeeper ensemble (cluster) running, to support a kafka cluster, in a docker swarm created using the swarm mode of the docker daemon (not the legacy open source swarm). My case is similar to that of Node. I need kafka expert advise to suggest the best approach on my above use case to avoid any data loss? please advise this is not a 1:1 port of the official JAVA kafka-streams the goal of this project is to give at least the same options to a nodejs developer that kafka-streams provides for JVM developers stream-state processing, table representation, joins, aggregate etc. Below is my sample code. Thanks to the tutorial bellow now I understand properly how to setup a podman bridge network and how to configure advertised listeners in kafka. To clarify, I'm using Docker Compose with 3 services, zookeeper, broker and kafka-ui, as in below: Mar 1, 2024 · Simplicity of working with Kafka in Node. . errors. cloudera" it is working , but now I am not getting messages in my consumers terminal. 0 version of the jar. BrokerToControllerRequestThread) Nov 22, 2016 · - A job who calls every hour the kafka REST API behind a load-balancer. Sep 10, 2024 · In docker-compose, my init-kafka image is failing to list topics on my kafka image. Apr 18, 2018 · I am already running kafka and logstash together and logstash cannot send to kafka on that machine either. Also both commands have different kafka endpoints. admin. Apr 18, 2022 · Open-Source Web UI for Apache Kafka Management. This uses a StatefulSet and a headless service for service discovery within the cluster. I tried to use different available docker images and ac Feb 27, 2023 · I deployed a container on two nodes in a swarm (via docker-compose. Real-time data streaming has become incredibly important for modern applications. I used docker compose to build all the components. I have also tested with kafka-node. I initially foll Every commit is tested against a production-like multi-broker Kafka cluster, ensuring that regressions never make it into production. Since we have a VPC peering between our Kubernetes cluster in GCP and Confluent Cloud, I resolved the issue by executing the confluent cli tool inside the k8s cluster. This library currently uses librdkafka version 2. Sep 10, 2024 · Let's explore and learn about explore KafkaProducer’s retry mechanism and how to tailor its settings to fit specific use cases. Having such a wide adoption across different organizations is improving its adoption in even more and more organizations and smaller projects. - The Kafka REST API servers points on a kafka cluster of three brokers. NetworkClient, 1017] - [Producer clientId=consumer-test-1] Node -1 Mar 24, 2020 · We are trying to create a kafka-node Producer and send message using it. org). refreshMetadata ( [your_topics], callback) is not working as expected for me when partitioner type = 2. servers. Apr 3, 2019 · I believe you're missing setting the broker url for your tests. Topic Hi Sachin, Why do you want to change the default settings? If the connection is open and unused, then it is fair to close the connection after the timeout and reopen it when required. This looks to be working. /kafka-consumer-groups. This helps identify issues quickly, reducing downtime and improving overall system reliability. I have created a test topic with 3 partitions and 3 replication factor. commitOffsets([ { topic: 'topic-A', partition: 0, offset: '1' } ]) As I read somewhere that if we commit each offset intentionally (commit offset immediately after cosuming) then it will create load on brokers and its not good to do. Broker Configuration for Multi-Node Clusters For larger clusters, you will designate certain nodes as brokers and others as both brokers and controllers. connect which has no default value is returned on startup. However, the 'Ready' event is not emitted by the Producer and hence cannot proceed with the send message code. For the consumers/ Jan 13, 2017 · I have been trying to get a zookeeper ensemble (cluster) running, to support a kafka cluster, in a docker swarm created using the swarm mode of the docker daemon (not the legacy open source swarm). We'll also include practical code snippets and actionable advice that will help you navigate common issues with ease. That way we make sure that the schema validation of the Kafka custom resources works well for the majority of Strimzi users who will have the feature gate disabled. We also need to define the Kafka broker and topic that we want to produce messages to. Jan 30, 2024 · This will start a single Kafka broker and controller that does not depend on ZooKeeper. clients. I am aiming for the easiest api access possible checkout the word count example Using kubernetes-kafka as a starting point with minikube. Hi Kafka Fam! I am running Kafka Connect in standalone mode. auto. If more data needs to be processed new brokers can easily be added to make the cluster bigger. Latest version: 2. May 8, 2023 · Name and Version bitnami/kafka 22. Oct 17, 2023 · In this article, we’ll dive into code examples that demonstrate how to work with Apache Kafka using Node. in cluster yam Jan 9, 2019 · I'm writting a kafka producer in NodeJS using kafkaJS library. 2 What architecture are you using? amd64 What steps will reproduce the bug? I have 3 nodes Kubernetes cluster. But when I use node-rdka Dec 18, 2022 · 🪄 Github-repo In conclusion, Apache Kafka is a powerful distributed streaming platform that enables real-time data processing and stream processing applications. 7. I use a JDBC source connector to poll from a postgresql database (in timestamp mode) and everything seems working fine; my data is arriving in the cluster and consumers can read from the topic created by the connector. We cover everything from backing up data to monitoring post-restart. Oct 16, 2024 · In this blog post, we will explore best practices for troubleshooting Kafka when working with Node. It can be integrated with Node. Feb 22, 2023 · The issue is that the AdminClient is not connecting. sh --broker-list quickstart. This problem concerns one topic with only one partition. It is consumed by only one consumer group. There are 4 other projects in the npm registry using kafka-streams. log file. Not clear what your code does with this, but if you are trying to create/update/describe topics, or the cluster status, then those requests are failing. Aug 13, 2024 · Configuring Kafka with Kraft Mode for Single-Node and Multi-Node Clusters Apache Kafka is a distributed streaming platform that enables you to build real-time data pipelines and streaming … May 9, 2023 · Although it's Docker, I had this same experience when wanting to try out kafka-ui, and couldn't get it to work until this morning. Jan 7, 2025 · Learn how to configure a single node Kafka cluster using the Kraft consensus protocol in this comprehensive blog post. When the node where the component is deployed crashes, Kubernetes will automatically reschedule the Kafka component pod to a different node. js, along with insights into relevant JavaScript frameworks. connect() Any ideas why it is not working from Nodejs code, but working when running the . On the client side I use spring-kafka v3. I am kind of surprised the configuration in your compose file does not look (or even resemble) any of the examples from the documentation you shared. ) to Kafka on Docker, AWS, or any other machine. Few months back , we are able to send messages to Kafka topic and see in Metron dashboard. You deploy it to Kubernetes, wait a few hours, and suddenly … What’s happening? Feb 26, 2024 · Any chances to confirm that this kind of dead-lock is indeed caused by Spring for Apache Kafka? How about to make something similar based on virtual threads, but just with plain Apache Kafka client? See more info in the similar issue: #3013 The virtual threads is totally Java feature, not Spring, so making them working, the whole call stack should follow specific recommendation. Environment I Jan 17, 2017 · I have similar problem with LZ4 compression, seems both kafkajs and kafka-node only support gzip, and for snappy and LZ4 you have to install another package. Is there something else that could cause this situation? Is there something I’m missing? Nov 24, 2023 · You did not specify the listener in your compose file. I copied the kafka-clients. rb to pick up the 0. Dec 28, 2020 · This post will show you how to create a Kafka producer and consumer in Node. 4, last published: 3 years ago. producer(); await producer. One such error is the `NodeNotReadyError`. js. GitHub Gist: instantly share code, notes, and snippets. on('ready',fn(){}) is never getting called. However, we realized that the Kafka installed through default initialization script is set up in such a way that it only allows intranet access. class for the value and non-blocking (async) sender as I do not want to block the producer's work until it receives the acks. I want to ensure whether kafka server is running or not before starting production and consumption jobs. Use the advice given here to help you to avoid or resolve problems that might arise when you are using KafkaConsumer or KafkaProducer nodes. But they will be completely ignored when node pools are used. if you use spring-kafka, then spring. But clearly the backward compat… Dec 18, 2022 · 🪄 Github-repo In conclusion, Apache Kafka is a powerful distributed streaming platform that enables real-time data processing and stream processing applications. Every commit is tested against a production-like multi-broker Kafka cluster, ensuring that regressions never make it into production. kafka. Apache Kafka is a powerful… Sep 3, 2019 · I am running Metron using Ambari in single node and also set up three node. brokers is set to the address of the Kafka brokers and a system property named spring. As you can see the result in my terminal at the bottom image. Java version: 17. commit = false still enable. 1 in the kafka compose file does not work since a org. I'll list all the docker commands I've used to get a local one node setup running. Connecting to Kafka running within a Docker container can sometimes lead to connection errors, which may stem from network configurations, binding issues, or environment variables. If less data needs processing, brokers can be removed to make the cluster smaller. Jun 9, 2019 · Hi Jerry, After replacing localhost to hostname "quickstart. Oct 14, 2025 · Apache Kafka is a distributed streaming platform that is widely used for building real - time data pipelines and streaming applications. On the server side, I have two Kafka nodes running on my local machine, Kafka version: 3. I have three partition of the topic and using HighLevelProducer to produce the message. 27 version. group-tango topic-tango 3 0 group-tango topic-tango 0 0 group-tango topic-tango 1 0 group-tango topic Jun 30, 2021 · I need to setup a single node kafka cluster with zookeper using docker-compose for some of my testing and need to enable SSL auth+encryption. The left window is consumer an Mar 7, 2019 · I quickly found out that this setup leads to some connectivity issues with Kafka. It makes connection with the kafka broker and sends message to a kafka topic "topic-name". TimeoutException) Thoughts Jul 23, 2025 · Cluster A Kafka cluster is a group of multiple Kafka brokers all working together. I created producer from local machine, but it redirect to internal ip In this guide we provide instructions for how to successfully restart a Kafka server. Dec 9, 2022 · The steps performed to build an Apache Kafka Cluster using KRaft, separate Controller nodes, and Confluent Docker Images. And also modified the ruby file logstash-outpu t-kafka_jars. The problem I am running into is that though the zookeeper instances can communicate with one another via the client port 2181, they cannot reach one another via the election port of 3888 and cannot Jan 17, 2021 · Kafka works as a cluster of one or more nodes that can live in different Datacenters, we can distribute data/ load across different nodes in the Kafka Cluster, and it is inherently scalable Sep 22, 2020 · Imagine you are working on your Kafka Streams application. can anyone give a hint? Sep 11, 2017 · I did same thing but it is not working for me. Apr 1, 2025 · Apache Kafka is widely used for real-time data streaming, but integrating it with Node. When we had only 1 kafka node partition assignment to consumer instance and re-balancing was working fine. May 5, 2023 · Creating a Kafka Producer To create a Kafka producer using Node Js, we first need to create a client instance using the Kafkajs library. common. Kafka is known Jun 26, 2019 · I do not get the messages that are described on the README. 8. When a consumer fails the load is automatically distributed to other members of the group. I want to do round-robin the messages to About this task If you have a problem connecting to Kafka, and the problem persists after you have validated that the configuration of the nodes is correct, you might find more information by enabling tracing from the Kafka client. Sep 4, 2019 · In this case the problem was that the bootstrap server was not reachable from the machine where I was running the kafka-consumer-groups cli tool. js In today’s fast-paced world, time is everything. 1:32400 --group group-tango --reset-offsets --to-earliest --topic topic-tango --execute and the result that I got was. The weird behavior continues even if I put all the code (consumer and producer) in the same machine as kafka (thinking mabye windows is part of the problem). A message can include any kind of information from Aug 1, 2022 · When i try to consume message from topic with more than one partition, consumer not working at all, this is my sample code for initialize kafka and producer: const kafka = new Kafka({ clientId: co Jan 17, 2025 · It seems none of the Docker images of Kafka have sufficient instructions to run the container, and access it from the host computer. js, a popular JavaScript runtime, through the use of Kafka client libraries, allowing developers to build event-driven and data-driven applications using the two technologies together. When it connects to the 1001 node, the client will work normally. 1 are to either set the Kafka clients to use Static membership protocol , or to Identify and reboot the coordinating broker node of the stuck consumer group. Here is the CLI command for that: $ bin/kafka-topics. connect is set to the Mar 7, 2019 · I quickly found out that this setup leads to some connectivity issues with Kafka. On one node, the container functions as normal. Having a cluster allows Kafka to handle very large amounts of data. g. Are these typos ? Jul 23, 2025 · Learn how to seamlessly integrate Apache Kafka with Node-RED to facilitate real-time data communication. This setup is perfect for development and serves as a solid foundation for expanding to a more complex Kafka environment. sh script to add new partitions in a topic. KafkaJS-Produce Apr 23, 2019 · In the second part of this blog post series we will look at exposing Kafka using node ports. send not always works - Developing Nodes - Node-RED Forum (nodered. If one of the brokers dies, will my producers be able to continue sending new messages to this degraded cluster of 1 node? In distributed systems terminology, Kafka attempts to handle “fail/recover” scenarios where nodes suddenly cease working and then later recover, but does not handle Byzantine failures, in which nodes produce arbitrary or malicious responses due to foul play or bugs. A modern Apache Kafka client for node. On another node, the container doesn’t. It will also cover the different configuration options which are available to users and cover the main pros and cons of using node ports. Here I show how to get bitnami/kafka working. Understanding these issues can save time and frustration. Feb 22, 2022 · In our infrastructure we are running Kafka with 3 nodes and have several spring boot services running in OpenShift. bootstrap-servers defaults to localhost:9092, and if your cluster is not running where your code is deployed, then you need to update to Oct 7, 2024 · Discover the most common Apache Kafka® performance issues, including consumer lag, broker overload, & disk I/O bottlenecks, with actionable solutions. Sep 11, 2017 · I did same thing but it is not working for me. However, my Connect instance log is constantly outputting these kind of errors: [2023-02-27 21:31:08,417] INFO [jd This library leverages the work and concepts from two popular Apache Kafka JavaScript clients: node-rdkafka and KafkaJS. ConfigException: Missing required configuration zookeeper. Read more! Consumer groups allow a group of machines or processes to coordinate access to a list of topics, distributing the load among the consumers. May 9, 2023 · Apache Kafka is a popular open-source distributed event platform used for real-time processing and Tagged with kafka, node, javascript. sh --bootstrap-server 127. Oct 3, 2017 · Were the auto-commit not to happen for some strange reason then after the elapse of the max-poll-interval of 20 seconds the Kafka broker would conclude that the consumer has gone down. js using KafkaJS can present challenges. I use JsonSerializer. For LZ4 package, kafkajs-lz4 is not working for me, so I have to implement my custom decoder. 0, last published: 6 years ago. From my laptops bash I can interact with the kafka installation in the following fashion without running into any kind of errors: Jan 4, 2020 · 4 My Kafka node is hosted in Google Cloud Dataproc. You must indicate these roles in their respective properties files and assign unique node ids to each. The core is heavily based on the node-rdkafka library, which uses our own librdkafka library for core client functionality. I checked the Docker and Docker Compose versions on both systems and they are the same. Understand common broker, producer, and consumer problems, as well as network and disk issues, and learn effective strategies to resolve them. So amazon ec2 instance has two ips one is internal ip and second one is for external use. Post that embedded Kafka (@EmbeddedKafka) is not able to start. jar (0. Broadly Speaking, Apache Kafka is software where topics (a topic might be a category) can be defined and further processed. When I inspected producer object, observed it is as follows { ready: true, client: Aug 26, 2020 · I setup a kafka cluster using bitnami kafka and zookeeper and I wanted to view this cluster or at least one broker using kafdrop. Jul 2, 2023 · To check if your Kafka server is running, look for messages like "Kafka Server started" or "Started [Kafka] server" in the server. Top Results From Across the Web Kafka Consumer with enable. Learn how to get started with code examples and a real-life use case. 337 INFO [roducer-network-thread | consumer-test-1] [ org. Aug 28, 2024 · logs, producer, consumer, apache-kafka Troubleshooting common issues in Apache Kafka producer and consumer logs # When working with Apache Kafka, it's essential to understand how to read and interpret the logs generated by producers and consumers. This post is part of a bigger series about different ways to access a Kafka cluster Aug 17, 2016 · I have a cluster of 2 Kafka brokers and a topic with replication factor 2. What is wrong with the configuration? I can check that the kafka installation on that server is working correctly. cloudera:9092 --topic test-1 --from-beginning Pleaes let me know what May 20, 2021 · Workaround If I use the core kafka client classes (not the spring wrapper) it works as expected. Learn how to troubleshoot startup failures, under-replicated partitions and more and find the solutions you need. . Anyhow, since this looks like a kafka configuration problem, I will leave this for someone to respond who actually uses kafka. cloudera:9092 --topic test-1 >welcome to > kafka-console-consumer. Applications may connect to this system and transfer a message onto the topic. May 6, 2024 · Kafka with Node. If I change the code above to use KafkaProducer. Jun 23, 2015 · I am using kafka-node npm module ,0. mvgnrwo uosetzfr skrq exyfwg ccbzgu yfpbjkr upqxf rucvrvx rgaj kpxlky rrntb llzqv yplpo doec hgdhl