Kafka no broker available error

Kafka no broker available error. So since you are not within the VPC, you cannot reach the private IP. You can also use the Kafka shell scripts to verify consuming functionality, as always. kafka-dev-kafka-brokers. " I tried switching the Java Version to 11 and 8 and various Properties Feb 4, 2016 · 1. name and advertised. bat . 168. It may work correctly for days, then, it happens to receive an RD_KAFKA_RESP_ERR_OFFSET_OUT_OF_RANGE when calling rd_kafka_produce. It must be not be showing up any brokers. server=kafka. KafkaClient() instead of kafka. ZookeeperConsumerConnector) It turned out to be a disk full issue on the machine. Run the kafka Server. log ('Caught exception: ' + err. May 30, 2021 · First make sure that the Kafka broker is available, I use kcat from Mac. Sep 27, 2017 · If you found the right port but your application still produces errors you can try to use a console consumer to test your setup: bin/kafka-console-producer. To check the brokers I run: Nov 20, 2023 · As the connection to the broker was false, the call resulted in BrokerNotAvailableError: Broker not available (sendRequest -> ensureBrokerReady) failure. Clearly, broker is started and bound - python client says otherwise! – Mar 18, 2021 · I have started learning Kafka and facing a issue when i trying to launch a producer via cmd in Windows 10. It will get a new id from zookeeper sometimes when it restarts in Docker environment. Attached Rasa Core server (primary server) lo Aug 28, 2023 · Everything seems okay when I get message from one broker nodes, but when I declare 3 nodes in codes like bellow: consumer_init = KafkaConsumer( auto_offset_reset='earliest', Aug 22, 2019 · I am trying to start Spring-Kafka with Spring Boot 2. client(). 0. Remove that volume and you will be able to recreate topics, etc. Mar 21, 2024 · Docker Compose Kafka: No Brokers Available Error. Ensure you have access to the advertised listeners of the cluster and the proper authorizations. If you want to specify that, and you're not running Kafka in KRaft (zookeeper-less mode) then you need to do as @Umeshwaran said and use the --zookeeper argument. It will get the value returned from. 0-ce; Ubuntu 17. Apr 20, 2020 · The delay in the kafka broker coming online can be due to one of these 2 scenarios: Delay in the Leader election; Kafka is configured to create topic when the first message is published. Mar 27, 2016 · When i start up Kafka, i note the ouput line:> Registered broker 0 at path /brokers/ids/0 with addresses: PLAINTEXT -> EndPoint(cluster-3-m,9092,PLAINTEXT). # The address the socket server listens on. sh -server localhost:2181 Run [zk: localhost:2181(CONNECTED) 2] ls /brokers/ids on the console. NoReplicaOnlineException: No broker in ISR for partition [extenr-topic,15] is alive. It needs to point at kafka service, not localhost. Run the command from the client machine. To /etc/kafka/server. (3) b-1 was also trying to forward messages to b-2 during this downtime due to the replication factor set to 2 (4) All these forwarded messages (ProduceRequests) got timed-out after 600s. The endpoint and environment variables configuration is the same for both Rasa Core and RasaX servers. I am using: Python Version 3. From SSL settings, the cluster is configured with SSL authentication Debug logs given below : Started consumer, Ctrl-C to stop consuming Kafka log message: [thrd:main]: Group "csharp-consumer" received op SUBSCRIBE (v0) in state wait-broker (join state init, v1 vs 0) Nov 29, 2023 · You signed in with another tab or window. Nov 10, 2016 · The Kafka client will, by default, block for 60000ms and the spring cloud stream uses a retry strategy that will attempt this call 10 times using an incremental back-off policy. Maybe you can try to debug this and compere whether you can for example telnet to kafka-dev-kafka-2. Reload to refresh your session. This command will show you the configuration of the Kafka consumer group named “my-group”. message + " " + err. sudo apt-get install zookeeperd. svc:9093 versus to kafka-dev-kafka-bootstrap. SecurityDisabledException: No Authorizer is configured. listener. Poll never returns any errors. main (AclCommand. For example, if you are running VM, you may like to use Host-only adapter to make the broker reachable from host machine. Apr 5, 2018 · Kafka is running properly and listening to port 9092. Feb 16, 2021 · { "message": "Broker not available (loadMetadataForTopics)" } kafka-console-consumer. Now let’s check the connection to a Kafka broker running on another machine. 1 - actually our production You can check the configuration by running the following command: $ kafka-consumer-groups. If you cannot ping the broker either fix the network issues or as a workaround edit the Sep 21, 2020 · Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand We are writing a Kafka consumer using both, Subscribe and Poll (from Golang). Supposedly that is set in /etc/kafka/server. So basically the consumer service (RasaX) can connect to Kafka broker successfully but the producer server (Rasa Core) is failing to connect to Kafka broker. name=BROKER. remoteAddress()); In short, everything will work fine from producer-consumer perspective. Mar 24, 2019 · I don't understand the Number of alive brokers '0' bit as it is a Kafka broker that is logging this so surely there must be at least one broker (itself)? I am using the default server. I have one producer that sets up a persistent connection with kafka brokers. properties, but I am not able to find the setting in there. \config\server. consumer. on ('uncaughtException', function (err) {. Hi @Suja. Dec 6, 2023 · at kafka. 2020-06-10T09:18:01. createTopic(AdminUtils. properties` file. properties & connect-standalone. 1 kafka clients are not able to connect to my kafka broker. Are there any other changes to be made I am using 2 nodes and instead of local host I am using my own IP. 0 to make sure updating our environments will work as expected. clients. some of the output: Metadata for all topics (from broker 3: something. This will run zookeeper as a daemon and by default listens to 2181 port. and which one do u suggest "- --kafka. listeners . It uses, Kafka-broker directly, instead of connecting via zookeeper. Sep 13, 2023 · I have an application setup, where I have one zookeeper,one kafka broker and one telegraf instance. 2 which will be released late September/early October, 2. 8. b:9092 (controller) broker 3 at something. stack); To troubleshoot this issue, check the network connectivity by performing the following connectivity test. 0, Jun 25, 2019 · I am facing a problem with kafka-node npm as I had made a producer for kafka using kafka-node npm and recently sometimes it gives me errors i. 1; Docker 18. storage. FOO. 3. Mar 8, 2021 · 1. First, start your zookeeper. Kafka connect and clients uses the bootstrap server to successfully connect to the cluster. I followed the quickstart guide from Kafka and tested by publishing messages to a topic. Apr 24, 2018 · That way, you can tolerate broker outages as well as distribute the load of your Kafka brokers. I notice you reference a krb5. network_mode: host This enables the Kafka client in docker to see locally running Kafka (localhost:9092). Remove that volume and you will have to recreate topics, etc. A Kafka instance in another process or thread is using this directory. 451+0700 INFO kafka/log. 1. May 13, 2021 · I have ended up with the below exception on broker 2 node while implementing SSL for Broker to Zookeeper Authentication. properties, producer. Run the script with producer. e "Broker Not Available", I looked into it and everything seems fine and I am not able to figure out whats going wrong. See full list on confluent. As you are using confluent cloud it should be already configured correctly I guess. Broker may not be available. properties the broker is configured using: # The id of the broker. X but not for 0. actually there is no namespace called "osm" everything running on default namespace only . That way you are guaranteed log order for those applications. kafka. producer. However, you can use --bootstrap-server, but if you are doing so then specify the broker address and port, which from your listeners Dec 6, 2017 · If running Kafka Client in docker ( docker-compose) and getting "Broker may not be available". I have a local docker instance of 3 zookeepers and 3 kafka brokers that were running 1. RELEASE on localhost with Java 12. 10 artful; UPDATE. name. 192. in general it might be related to the advertised listener parameter in server. Be sure to do the following: Replace bootstrap-broker with one of the broker addresses from your Amazon MSK Cluster. svc:9093. servers=0. Nov 22, 2021 · Connection to node -1 (localhost/127. Dec 26, 2023 · Kafka Errors: No Brokers Available * Learn what Kafka errors mean when you see No Brokers Available * Get step-by-step instructions on how to troubleshoot and fix this issue * See real-world examples of how to resolve Kafka errors with no brokers available Sep 29, 2021 · Your app is trying to connect to itself when containerized. You shouldn't need to advertise two listeners for tests, so try using kafka:29092 directly instead of calling the mapped port method. Provide details and share your research! But avoid …. When setting "debug": "metadata,cgrp,topic,fetch,queue,broker,protocol", , we get only logs like: Feb 12, 2015 · Saved searches Use saved searches to filter your results more quickly . scala:155) However, I am able to create the topic using shell command . Mar 25, 2021 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. 3; Kafka version 2. After that, manually put the path of zookeeper-server-start. If everything is fine, the problem should be your Kafka Producer not been able to reach the Broker (Spring Boot/Java side). \bin\windows\kafka-server-start. KafkaProducer - [Producer clientId=producer-1] Closing the Kafka producer with timeoutMillis = 9223372036854775807 ms. properties as PLAINTEXT\127. apache. Oct 18, 2018 · Ok, that's a good first step. If you run docker volume ls you will see a kafka volume. Jan 17, 2019 · 2. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. x. Did you try telnet <broker host> 9092? You may need to explicitly set advertised. 2. When I set my ip or localhost or 127. kafka tool is most likely using the hostname to connect to the broker and cannot reach it. Also at the same time 1:48:03 createBroker established a new connection and the subsequent producer send calls go through successfully. Aug 6, 2020 · 0. lagom. This must be set to a unique integer for each broker. Haven't checked for 0. NoBrokersAvailable: NoBrokersAvailable 0 Why do I get Intermittent "NoBrokersAvailable" errors, with python application (kafka-python Producer)? First thing first, you need to check if the Kafka Broker Host & Ip used in the "bootstrap_servers" are correct . Jun 21, 2020 · For 'INTERNAL' Listeners : change from INTERNAL://localhost:9092 to INTERNAL://kafka:9092. svc. I am currently able to spin up aws-cli, localstack, and my app's containers locally using docker-compose. Nov 10, 2017 · This exact case-match in processDisconnection throws this warning: case NOT_CONNECTED: log. Separately, I am able to spin up kafka and zookeper without a problem as well. bin/kafka-server-start. 0 kafka-clients no longer block when this occurs (supported by spring-kafka 2. 4) connecting to the remote kafka-installation (Kafka 2. properties 此时，又报错：Failed to acquire lock on file . NOTE: This configuration works for Kafka Server >= 0. errors. Try logging in to your Zookeepr console : bin/zkCli. assignReplicasToBrokers(AdminUtils. Double check that your docker-compose configuration is right, i. I created the client and server trustores and keystore and did the respective configs by following this link - https:/ Apr 3, 2016 · For me, I didn't specify broker id for Kafka instance. 9. X. osm. Consumers subscribe to specific topics and consume messages published by producers. 7. After looking at Stackoverflow, I updated the server. Run the Zookeeper using shell command or install zookeeperd using. Try using kafka. yml. keytab for SASL. A Flask service consumes the data. scala) Caused by: org. ERROR Connection to node 0 could not be established. c:9092 broker 1 at something. 1. There is a configuration option to reduce the time the Kafka client will block: Apr 6, 2020 · The Kafka-setup, consisting of 3 brokers secured using Kerberos, SSL and and ACL. mmuehlbeyer 22 November 2021 13:44 2. Mar 10, 2023 · I am trying to user a docker-compose to spin up a broker, zookeeper and 2 of my own apps. status. when send data to kafka, get err : BrokerNotAvailableError: Broker not available ,end then process exit () and can't catch excetipion description for this unexpected behaviour, even i add code below: process. Mar 27, 2021 · You can exec into the container and netcat the broker's advertised addresses to verify connectivity. Mar 21, 2024 · It also looks like Kafka is set to auo creating topics, so when the other services start the topics are created on connection. When consuming messages, consumers are organized into Aug 30, 2018 · Bug Report. Jul 29, 2018 · Always try to use public ip in the KAFKA_ADVERTISED_HOST_NAME, and you can use KAFKA_HOST_NAME to specify the hostname of your instance. properties. CODE: Flask: KafkaHost = "kafka:9092" def initkafka (): # connect to Kafka server and pass the topic we want to consume consumer = KafkaConsumer ("TEST", group_id='view', bootstrap_servers Aug 11, 2018 · Fortunately, the new 2. broker. telnet bootstrap-broker port-number. Use this to see brokers, topics and partitions. servers: For consumer. change. Can someone please tell what changes I need to perform to other files to remove error Jun 8, 2021 · A simple spring-boot-kafka which consumes from a topic on a network cluster: Errors: Bootstrap broker localhost:9092 (id: -1 rack: null) disconnected. py and consumer. Scenario # 1: Delay in the election of leader: Jun 9, 2020 · Scenario 1: Client and Kafka running on the different machines. Try connecting using kafka-topics "sh or bat" script before going with java application Feb 9, 2022 · Hi, We are seeing that the consumer_poll() call returns RD_KAFKA_RESP_ERR_NOT_COORDINATOR and subsequent calls to poll don't return any messages (we know there are messages on the channel). cluster. Dec 7, 2020 · 1. offset. For Kafka, you need more than just a port mapping. NetworkClient - [Consumer clientId=consumer-1, groupId=TEST_GROUP] Connection to node 2147483645 could not be established. AdminUtils$. You switched accounts on another tab or window. Port of Kafka Broker and Zookeeper are mapped to the host. getCanonicalHostName() if not configured. I tried looking online with google and even chatGPT but it suggests that the authorizer is not available, this is the broker config: inter. May 9, 2022 · The Broker [IP:Port] is reachable but Kafka can't connect. Corrupted offsets would prevent any consumer from reading, not only one. X Oct 11, 2017 · Exception from kafka broker: 2017-10-09 05:56:50,302 ERROR state. # java. Now, when I'm trying to run my kafka-spring application from windows, it is showing the following error:- connection to node -1 (localhost/127. a:9092 and it of course give same output with all of the 3 brokers Apr 3, 2020 · Overall, seems like you might be running into a memory problem because you are connecting to the correct addresses ( CONFLUENT_METRICS_REPORTER_BOOTSTRAP_SERVERS could be localhost:29092, actually), however the docker network is becoming unstable. You have missing dependson for zookeeper in kafka container. 22. Jun 22, 2020 · 24. You can also check whether the IP addresses in the logs listed behind the service name correspond to the IP address of the Kafka broker pods. com-1519117041191-ea485191], no brokers found when trying to rebalance. Feb 3, 2022 · 3. Aug 27, 2021 · I installed kafka on windows subsystem linux and started using the command confluent local services start and all services are up. 0:9092. 1:9092) could not be established. console. yml: Oct 15, 2019 · Broker may not be available. Dec 27, 2018 · 0:20:35. replication. 6. Jul 27, 2020 · 产生了新的错误：Replication factor: 1 larger than available brokers: 0 意味着 kafka关掉了没有重新启动。因此去启动kafka. Have a look in the below following links, it may be helpful for your scenario, My issue is with internal connections not the external ones. That means at least one of the brokers is available, which should be enough for starting a connection. 01:9092) could not be established. properties I get the following error: WARN [Cont Mar 22, 2023 · Status: Conditions: Message: Failed to ensure HPA is correctly created for ScaledObject Reason: ScaledObjectCheckFailed Status: False Type: Ready Message: ScaledObject check failed Reason: UnkownState Status: Unknown Type: Active Status: Unknown Type: Fallback Original Replica Count: 1 Scale Target GVKR: Group: apps Kind: Deployment Resource Feb 20, 2021 · My understanding here is that (1) b-2 went down i. There is no restriction on the port that can be used, it only depends on the availability. properties bootstrap. #Tried with localhost as well. M1 milestone is available now). x: no such host. properties file. e. (kafka. It would also be beneficial to make the topic count a factor of your total logging servers, as well as key a Kafka message based on the application type, for example. I am unable to get my application to communicate with kafka. Many a times , due to changing network , the Host & Ip might be different (case of a Public or Static IP thing) every time you boot your application. When I try to connect my telegraf con Jan 27, 2023 · Thanks for your reply. You need to restart all your Kafka brokers, and check for the kafka process log. warn("Connection to node {} ({}) could not be established. Go to your main Kafka file location, like C:\kafka_2. Dec 1, 2018 · The kafka broker information is kept between restarts because the wurstmeister/kafka image creates a volume named 'kafka'. It plays a pivotal role in building data pipelines, real-time analytics, and event-driven architectures. go:53 Failed to connect to broker x. If the configuration is incorrect, you can fix it by editing the `consumer. AWS Client VPN endpoint. Jul 22, 2022 · and i do get a response with list of brokers, topics etc. listen-address=:9092" or - name: KAFKA_EXPORTER_KAFKA_CONNECT value: kafka-broker-644794f4ff-8gmxb:9092 for mentioning kafka server details so that i will go ahead and do the changes Running a single node kafka cluster on localhost:2181 centos OS Invoking KafkaProducer for the server producer = KafkaProducer(bootstrap_servers='localhost:2181') when i execute it i get a No broker available issue Kafka seems to be work Aug 17, 2020 · The RasaX server seems to connect fine. Aug 9, 2018 · 5. Once space was freed up, the issue was resolved. Oct 28, 2021 · I have a Kafka cluster running on Kubernetes. Aug 2, 2018 · In order to test locally, I'd like to set up a kafka image in my docker build. From that moment onward, calling rd_kafka_produce returns always RD_KAFKA_RESP_ERR_OFFSET_OUT_OF_RANGE. listeners such that the Windows client can correctly connect to the Linux broker. Below are my config settings for bootstrap. Getting the Error: "org. brew install kafkacat kafkacat -b [kafka_ip]:[kafka_poot] -L Jun 17, 2021 · It won't be possible to directly connect to MSK brokers from you laptop . Aug 22, 2018 · The kafka broker information is kept between restarts because the wurstmeister/kafka image creates a volume named 'kafka'. They are running on aws EC2 instances as docker containers. 4 with Kafka 2. client() way. They all build and run like normal but then when I try to create a kafka producer or consumer from within my app, it throws an exception saying there are no available brokers. properties and zookeeper. You've configured Schema Registry to look for the Kafka broker at kafka:9092, but you've also configured the Kafka broker to advertise its address as localhost:9092. 3. 11-1. net. properties listeners section to be the private IP of the server. Roovers Dec 4, 2019 at 10:09 Oct 12, 2020 · You need to configure the advertised. I'm not familiar with Kubernetes specifically, but this article describes how to handle networking config in principle when using containers, IaaS, etc. sh config/server. I created a stream processor on kafka 1. You don't need IP addresses other than 127. Jul 23, 2019 · Broker may not be available I have already made changes to server. ", nodeId, disconnectState. So far Ive been experimenting with running the connect-framework and the elasticserch-server localy using docker/docker-compose (Confluent docker-image 5. admin. NET:9094, and it is available. host. scala:70) at kafka. Jan 23, 2015 · Exception in thread "main" kafka. py on separate consoles to see the live data. factor=1. This equates to roughly 10 minutes before a timeout occurs. 500 [TEST_GROUP-0-C-1] WARN o. a:9092/3): 3 brokers: broker 2 at something. NetworkClient : [Consumer clientId=consumer-1, groupId=inter] Connection to node -1 could not be established. I recommend finding existing, functional Docker Compose files such as ones in this answer. (Run docker-compose rm -sf and docker system prune to get to a clean (er) state) Solutions. x:6667: dial tcp: lookup x. Mar 19, 2024 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. properties file with the following changes: Dec 11, 2018 · I am trying to do secure communication between Apache Kafka server and client. I'm able to start up zookeeper but when I start the Kafka server using . Kafka is a powerful open-source distributed streaming platform that can handle a large volume of data. [main] INFO org. common. In the first case, as you said, the broker could have been started on 6667 and hence no process was running on 9092. sh --broker-list localhost:<yourportnumber> --topic foobar. 7 seems like your host IP, not the docker IP, and yet you are not using network_mode: host, and so the network is not allowing you to connect to the broker. You need to set in the Kafka Connect worker properties: config. Sep 29, 2016 · The same issue was faced in my Windows machine. This works when running the whole think outside docker. AclCommand. One fix if you want to run the code both inside and outside of the container, use an environment variable to define the bootstrap servers. How do Jun 23, 2020 · I'm trying to run Kafka. You also need to set up the advertised listener address (advertised host is a deprecated property) to be the external hostname/ip of the server where the container is running in order to access it from another machine. 10. lock in /tmp/kafka-logs. Although MSK listeners exposes a public DNS name, it actually resolves to a private IP of the MSK broker. listeners in addition to listeners , I've occasionally seen a weird quirk with Java where it wasn't binding to the expected network interface (or at least the one I expected!) and I had to force it using advertised. Solution is to add this to docker-compose. Hope you have made sure that no other service is running on port 9094 and 32181 on your localhost. 03. From a Spring perspective, you will then be able to stop() the message listener container (s). Asking for help, clarification, or responding to other answers. bat file and also zookeeper. listeners instead of using host. Although, i am sure zookeeper configuration can also be updated to support kafka. unable to connect to Zookeeper (2) Messages were produced to b-1 successfully during this time. AdminOperationException: replication factor: 1 larger than available brokers: 0 at kafka. I has this same issue today when running a consumer: WARN [console-consumer-74006_my-machine. For all of you guys, trying out kafka-node. If your broker id is greater than 1000, just specify the environment variable KAFKA_BROKER_ID. This could be a machine on your local network, or perhaps running on cloud infrastructure such as Amazon Web Services (AWS), Microsoft Azure, or Google Cloud Platform (GCP). . Puzzle: The configured broker is not local, it's BROKER_1. Also,i have added localhost details after PLAINTEXT in server. You signed out in another tab or window. local:9092 - --web. When the brokers pod get restarted they change the IP address, causing a lot of Broker may not be available errors: Jun 10, 2020 · 1. Oct 13, 2015 · Your Zookeeper is unable to see any Kafka brokers. Also, you need to restart the kafka-server and consumer/producer (whatever is running) and try sending/receiving. Broker may not be May 24, 2018 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. InetAddress. Also if you are using the recent kafka version, use listeners and advertised. sh –describe –group my-group. Dec 4, 2019 · This may be obvious but there is no mention of this in your original question and there are no steps defined in the URL to setup an instance of Kafka – J. Where it says 'cluster-3-m', i have primarily been using the PUBLIC IP. logger: Controller 236 epoch 267 initiated state change for partition [extenr-topic,15] from OfflinePartition to OnlinePartition failed kafka. 13-3. Feb 21, 2021 · It's trying to connect to localhost:9092 because you've tried to connect to the advertised PLAINTEXT_HOST port, and that's the address it'll return. Here is my docker-compose. 28 then the config should look like: A Kafka consumer is an application or component that reads and processes data from Kafka topics. You maybe connecting to the zookeeper host by IP address but make sure you can connect/ping the host name of the broker from the machine running the kafka tool. io Feb 6, 2020 · Streaming Kafka with Python :kafka. If the Linux broker has IP 172. The cheapest option to achieve this is to setup. But i am not sure, what is the actual configuration. The console consumer is part of the standard kafka distribution. Connection to node -1 (localhost/127. I am also able to send data to the kafka Topic in docker. Is it possible to catch this warning message so that i can send alert when my consumer has lost connection? Below is my consumer code. I have no been trying to reach localhost from my container with some basic networking tools. 2181 is typically the port used by ZooKeeper. For Kafka Connect to run in distributed mode it uses three topics that are stored on the Kafka cluster and hold information about configuration etc. Dec 17, 2018 · 2. ip ym dn lt av ai lv pe cr pe