Kafka connect error while fetching metadata with correlation id 15. KafkaConsumer - [Consumer clientId=consumer-GroupConsumer-1, groupId=GroupConsumer] Subscribed to topic(s): table Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Kafka Producer retrieves and caches topic/partition metadata before first send. block. Consumer-1 (on server-1) consumes data from Topic-1. kafka-connect CONNECT_REST_PORT: 8083 CONNECT_GROUP_ID: user-grp CONNECT_CONFIG_STORAGE _TOPIC: test Im not on safe grounds (more errors) yet but at least it certainly looks like your comment did the trick. Am trying use AWS MSK connect with lenses plugin to sink data from Kafka cluster "managed by 3rd party" to amazon s3. I have one external IP for the entire Kubernetes service, which means that this is the only external IP that should be exposed from the Kafka brokers. SyncProducer - Disconnecting from While using Kafka broker, zookeeper is must. properties file following option : offsets. auth. 1 test Hello, I am configuring JDBC Connector for the first time to synchronize between two Oracle 11g databases. (org. client. 6. bat -- To establish connection I use Kafka - of course namespace is with Standard Tier. This option will not let you do anything till the count reaches 3 but since you have it set as a playbox - you usually have 1 Kafka consumer: fetching topic metadata for topics from broker [ArrayBuffer(id:0,host:user-Desktop,port:9092)] failed 5 Why can't Kafka Producer connect to zookeeper to fetch broker metadata instead of connecting to brokers You've not shown your producer configuration, but I assume it uses localhost:9092 if it did work. The producer config parameter related to that is max. clients. And below is my log for that which comes after the polling line. Reload to refresh your session. topic=connect-configs-distributed status. Which feels like they are disconnected from each other. 这里明显可以看出来{这里是你写入的topic名称=UNKNOWN_TOPIC_OR_PARTITION} ，而本次报错topic名称是空，应该是用kafka API 写入的时候，传入的topic名称为空，而且，诶呦设置。 当kafka 写入的时候topic名称后面一个空格的话，你又不知道，那么也会这样，比如已有一个topic名称。 Is it guaranteed that when AdminClient. I want to test the Kafka nodes by running the kafka-console-producer and -consumer locally on each node. This we were doing on a test VM with If you are using Kafka on the public cloud like AWS or Azure or on Docker you are more likely to experience the below error. topic=connect-offsets-distributed config. SyncProducer - Connected to localhost:9092 for producing [ProducerSendThread-] INFO kafka. As far as I know, there is no way to have feedback earlier than reducing this timeout or using the AdminClient (which is something you don't want to do). The code is very basic, trying to connect the topic split words by space and print it to the console. The Producer client adopts non-security access and ACL is set for Kafka topics. Deinum, I solved the issue I was facing. Write these to a . 1. a Hello, I am configuring JDBC Connector for the first time to synchronize between two Oracle 11g databases. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I am trying to consume from a wrong or non-existent topic name using a Kafka consumer object. producer. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Meanwhile a workaround that seems to work: Before starting the real consumer process, the integration test creates (using kafka-python) a consumer belonging to the (yet nonexisting) real consumer's group, briefly polls the (yet nonexisting) topic, and is then closed. You must start zookeeper-server before starting kafka-server. com:9093 [sarama] 2018/12/22 09:15:21 client/metadata found some partitions to be leaderless But this is not true, there do have a leader node if we use 'kafka-topics. host. sh), I'd expect to see it without a Leader (-1). Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I have 2 Kafkas backed by 3 ZK nodes. Either the broker shutdown or the TCP connection was shutdown for some reason. SimpleAclAuthorizer I am using an SSL enabled kafka cluster to connect to consumer and publish messages. My kafka version is: kafka_2. You signed out in another tab or window. When enabling authorizations, they are applied to all Kafka API messages reaching your cluster including inter-broker messages like StopReplica, When the topic doesn't exist the retry for getting metadata should ends after 60 seconds by default raising a timeout exception at the end. NetworkClient:600) Camel Kafka Consumer is continuously warning UNKNOWN_TOPIC_OR_PARTITION in the logs Solution Verified - Updated 2024-06-13T19:37:07+00:00 - English Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Im trying to setup Kafka Connect with the intent of running a ElasticsearchSinkConnector. The strange thing is even when I manually created a topic with replication factor 2, the connector Use the AdminClient to create topics on-demand. When I try to connect to the second EH (event-hub-2 as a Kafka Topic, Connection String as a Kafka Password) I got following stacktrace: Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Kafkaapis) kafka. [root@cantowintert bin]# [root@cantowintert bin]# kafka-console-producer. WorkerSourceTask:416) kafka-connect-10 | [2020-01-23 23:37:12,773] INFO [Procura_CDC|task-0|offsets] WorkerSourceTask{id I've solved this problem and just want to share my possible solution with other fresher with Kafka. If you do it on the broker it will be taken as a default and it will be valid for all the new request of creating a new kafka topic. Well, both the given answers point out to the right direction, but some more details need to be added to end this confusion. The option --consumer can be used as a convenience to set all of these as once; using their example:. 11 server/client version. I'm pasting the relevant section here: This was a configuration issue. Note: Running more than one brokers on one host is not truly fault-tolerant. What we are doing here is instead of setting bootstrap servers globally for all your channel in your application, we are setting for individual channel . Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Visit the blog I'm using ELK 5. AppInfoParser - Kafka startTimeMs: 1627883198273 [main] INFO XXX. jar [2019-07-29 12:52:23,301] INFO Initializing writer using SQL dialect: PostgreSqlDatabaseDialect (io. By default Kafka uses the hostname of the system it runs on. WARN Error while fetching metadata with WARN Error while fetching metadata with correlation id 4803 : {next=LEADER_NOT_AVAILABLE} (org. Once you have an AdminClient 这里明显可以看出来{这里是你写入的topic名称=UNKNOWN_TOPIC_OR_PARTITION} ，而本次报错topic名称是空，应该是用kafka API 写入的时候，传入的topic名称为空，而且，诶呦设置。 当kafka 写入的时候topic名称后面一个空格的话，你又不知道，那么也会这样，比如已有一个topic名称。 Possible Causes. JdbcSinkTask:57) [2019-07-29 12:52:23,303] INFO WorkerSinkTask{id=sink-postgres-0} Sink task finished initialization and start (org. connect=localhost:2181 \ --add \ --allow-principal User:Bob \ --consumer Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company If you want to simplify the way to do that, you could try the Strimzi project (https://strimzi. bin/kafka-acls. TimeoutException: Timeout expired while fetching topic metadata. What puzzles us now is, that if we wait for two partitions to connect, the wait will time out. KafkaProducer:1183) kafka-connect-10 | [2020-01-23 23:37:12,772] INFO [Procura_CDC|task-0|offsets] WorkerSourceTask{id=Procura_CDC-0} Committing offsets (org. Provide details and share your research! But avoid . confluent. 535 WARN 29114 --- [-Str org. I deployed 3 Kafka brokers with 3 Zookeeper instances and built Kafka Connect pod from Debezium tutorial. When I inspected the port(9092) being used on local machine, it was bound to already running process, worth checking if there is process for Kafka running locally. You cant really tell Kafka to "abort" in such a situation (as far as my online search shows), but you can alter the setting so the log is quite a bit less spammy. backoff. If you're using Docker-for-Mac this will most likely be a different IP. If you set it on the Connect it will be valid only for the topic coming through the connect. COORDINATOR_NOT_AVAILABLE is reported as Errors. Asking for help, clarification, or responding to other answers. X. Kafka report error. WARN 19508 --- [ad | producer-1] org. You signed in with another tab or window. authorizer. So in the first part of the log it seems to me that the client is able to reach the remote machine asking for metadata and finding the coordinator but the address it receive then is "localhost:9092" so it tries to open the connection to such an address for getting messages. X on resource = Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Visit the blog Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I am trying to consume from a wrong or non-existent topic name using a Kafka consumer object. It a design choice where to set it. My cluster consists of 3 Zookeeper and 3 Kafka nodes. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company This was a configuration issue. I Kafka strictly distinguishes between authentication and authorization - even if you have authentication via Kerb or SSL turned of it is still possible to turn authorization on via the following parameter: I expect the inter-broker communication to happen on 29092. env file: What puzzles us now is, that if we wait for two partitions to connect, the wait will time out. I checked the details and found that IDs are now numbered from 1001, while before they were starting from 0. servers. before you run the consumer please create the topic and try again. without a topic, you can't engage with a topic. 5 with ranger-kafka plugin - 238765 I'm having the same issue, after Kafka upgrade from 0. v1 for request = Metadata with resourceRefCount = 1 (kafka. storage. I have one zookeper and one kafka broker node. If Kafka brokers are stuck in GC, they can’t process messages efficiently. Kafka version is 0. Still, there are not enough code examples or tutorials about how to write code that communicate with a server managed by Kafka. docker. runtime. 11-1. topic=connect-status-distributed Hi guys, We are testing kafka mirror maker 2 with the following config: - Source - REMOTE kafka in a different GCP project - Target - our kafka deployed with strimzi (version 0. So these topics were recreated on the new cluster with same replication factor and partitions. You can try setting advertised. host. testcontainers kafka 1. 1 to 0. Given the Darwin kernel - i'm guessing that you are using Mac OS ? The default docker-compose will only work if you're using Docker Machine and have the default IP associated with the VM. It was quite simple; I used @Autowired to inject the KafkaTemplate from the context and removed the entire @BeforeAll setup. internal mappings, and not use that address to connect to the servers. In my case, the value of Kafka. When I try to produce a message on a topic it says "TOPIC_AUTHORIZATION_FAILED". Yes, they use 29092 for internal communication. If this hostname can not be resolved by the client side you get this exception. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. ConnectException: Could not look up partition metadata for offset backing store topic in allotted period. It seems that I simply need to recreate the following topics in kafka: offset. host in the application. PLEASE NOTE: In some Kafka installations, the framework can automatically create the topic when it doesn't exist, that explains why you see the issue only once at the very beginning. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company According to the documentation the consumer needs both READ and DESCRIBE on the topic, as well as the consumer groups needing READ. I'm actually working on setting up simple Kafka authentication using SASL Plain Text and add ACL authorization. Spring for Apache Kafka provides a convenient KafkaAdmin which can create topics for NewTopic beans in the application context, but it can also be used to create an AdminClient so you can manually create topics - docs here. NetworkClient) I am using Kafka In what version (s) of Spring for Apache Kafka are you seeing this issue? I am using spring kafka together with spring boot, and I define my kafka topic in the application properties We are getting below error after a new connector creation. Use the AdminClient to create topics on-demand. Once you have an AdminClient 第一章 绪论 1什么是图像 为二维函数f(x,y),其中，x,y是空间坐标，f是点（x,y）的幅值 灰度图像是一个二维灰度（或亮度）函数f(x,y) 彩色图像由三个（如RGB,HSV）二维灰度（或亮度）函数f(x,y)组成像素组成的二维排列，可以用矩阵表示。 Hi guys, We are testing kafka mirror maker 2 with the following config: - Source - REMOTE kafka in a different GCP project - Target - our kafka deployed with strimzi (version 0. kafka. If you connect from an individual machine, you need to set up a point-to-site VPN gateway, see Connect to Apache Kafka with a VPN client for details. bootstrap-server to the properties. NetworkClient) I am ERROR WorkerSourceTask{id=wem-postgres-source-0} Failed to commit offsets (org. My scenario is as follows docker compose file that has image for MySQL and Kafka Connect debezium connector to read from tables and write to topic in Kafka Cluster When I run the setup The history topic and other connect related topics are created in Confluent Cloud The table Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company No services are running on your host. connect. adminoperationexception: replication I want to run it on a remote MSK Kafka cluster. and am getting : [Worker-001b25e1c610b1241] org. This worked for me, but for a Kafka Docker container running locally. id of Consumer-1 and Co You signed in with another tab or window. By removing the @BeforeAll setup, I had to use the DynamicPropertyRegistry and the KafkaContainer to add the spring. 10. your problem might be that you haven't created the topic when you run the consumer. The link that @OneCricketeer provided above helped me to connect from the client (the application, the console producer, the console consumer) running outside Docker to Kafka running in a Docker container, locally. Below is WARN unable to fetch metadata with correlation id 659455 : {kafka-connect-offsets=INVALID_REPLICATION_FACTOR} (org. 0 in distributed mode. name=kafka. We already changed from. 这里明显可以看出来{这里是你写入的topic名称=UNKNOWN_TOPIC_OR_PARTITION} ，而本次报错topic名称是空，应该是用kafka API 写入的时候，传入的topic名称为空，而且，诶呦设置。 当kafka 写入的时候topic名称后面一个空格的话，你又不知道，那么也会这样，比如已有一个topic名称。 I am running Kafka Connect locally and connecting to a Confluent Kafka Cluster. I generated the certs using this bash script from confluent, and when I looked inside the file, it made sense. I use kafka-0. Use only one Compose file with one (or zero) Zookeepers, and 1 or more brokers. 0 . sh --describe' command. io) for deploying and managing an Apache Kafka cluster on Kubernetes and OpenShift. bootstrap. As for Kafka, I see a lot of theoretical matertial on the Internet. NetworkClient : [Consumer clientId=consumer-1, groupId=inter] Connection to node -1 could not be established. If you are getting any exception related to Metadata, Check if I am trying to setup kafka authorization on local using keycloak. I'm trying to deploy Debezium source connector on Kafka Connect 3. listeners=PLAINTEXT://hostname:9092 to The same configuration can be set in the kafka Connect. 4. consumer. ms (default=5minutes) for "good" and every retry. [2021-07-29 13:40:49,750] INFO Principal = User:credusr is Denied Operation = Describe from host = 10. Your consumer is not using this. class. External clients should be able to connect on port 9093. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company In what version(s) of Spring for Apache Kafka are you seeing this issue? 2. This change resolved my problem. Server. However if these settings are not configured correctly it then may think that the leader is unavailable. Remove the below property from property file. It IS a matter of connectivity from VM machine. Your container setup is weird as well @TestContainers will already manage the lifecycle of the @Containers so no need to do that yourself (as well). Verified the subscription with below command - bin\windows\kafka-consumer-groups. TopicAuthorizationException: Not authorized to access I'm trying to consume events using Apache Flink. 0 auto configuration registers one for you. Also, I created 'events' topic with 3 partitions: Topic:event This solutions worked for me, but it was not easy as just remove all the references on zookeeper, I've deleted the log files on kafka brokers and ensure the cluster is healthy, I made several corrections on the cluster and I didn't make a list of all the fixes applied, what I recommend is access to the zookeeper and kafka server logs and review an try to remove all Getting the Error: "org. When enabling authorizations, they are applied to all Kafka API messages reaching your cluster including inter-broker messages like StopReplica, Solved: Installed kafka broker in a node using ambari blueprint with hdp 2. A heap that’s too small leads to frequent collections, while a heap that’s too large results in longer GC cycles. Thanks. 6 spring-boot : 2. If you are working with a single node cluster make sure you set this property with the value 1. oneorg. Below is the tech stack. Could you please let us know what can we do? We already created the connector several times using different names You signed in with another tab or window. age. [main] INFO org. Marcus, a seasoned developer, brought a rich background in developing both B2B and consumer software for a diverse range of organizations, including hedge funds and web agencies. We have designed, developed, deployed and maintained Big Data applications ranging from batch to real time streaming big data platforms. INVALID_REPLICATION_FACTOR In my case, the actual underlying problem was that the topic specified in the consumer config did not exist Running Kafka Connect on a Kafka cluster which has auto creation of topics turned off. XXX. I faced a strange issue with my Kafka producer. I'm working with a Kafka Streams application where we use dynamic topic determination based on message headers. 1:9092 --topic first_topic OpenJDK 64-Bit Server VM warning: If the number of processors is expected to increase from one, then you should configure the number of parallel GC threads appropriately using -XX:ParallelGCThreads=N >hello prashant [2021-07-26 Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company The broker tells the client which hostname should be used to produce/consume messages. topic. We are not able to get the offset of this topic. sh --authorizer-properties zookeeper. I'm unable to connect to my locally running Kafka instance via code - I can connect successfully using Kafka-Console-Producer and Kafka-Console-Consumer but when I use Kafka Java SDK and simply use the Java Producer to connect to & produce any message, it fails with the following error: After quite a while I found out the reason for this is that default replication factor setting on MSK follows Kafka best practice which is 3, but I only created 2 brokers. 8. " I tried switching the Java Version to 11 and 8 and various Properties [sarama] 2018/12/22 09:15:21 client/metadata fetching metadata for [test-topic] from broker kafka1. 1 and Kafka 0. Next add the below property . name: <AWS Public DNS Address> If you connect from an on-premises network, you need to set up a site-to-site VPN gateway, see Connect to Apache Kafka from an on-premises network for details. But I have an issue when I try to consume data. log output: error when handling request {topics = [indexing]} (Kafka. From the authorizer logs, it looks like the Authorizer denied ClusterAction on the Cluster resource. import org. 7 Describe the bug I am using spring kafka together with spring boot, and I define my kafka topic in the application properties files. 1 Docker Env: Docker version 20. You switched accounts on another tab or window. /kafka-topics. TestKafkaDB=UNKNOWN_TOPIC_OR_PARTITION basically means the connector didn't find the a usable topic in Kafka broker. The configuration stayed 3 and when connector tried to auto-create a topic with 3 replicas it fails. SourceTaskOffsetCommitter) Make sure that In the topic_id of logstash output to kafka we tried to create the topic_id appending a variable we calculated in the filter. 1) - Connector / The problem occurs because you have enabled authorization in the following line: authorizer. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. After that the real consumer process is started and it always works. Everything works against newly created topics, but not against old ones. common. 这里明显可以看出来{这里是你写入的topic名称=UNKNOWN_TOPIC_OR_PARTITION} ，而本次报错topic名称是空，应该是用kafka API 写入的时候，传入的topic名称为空，而且，诶呦设置。 当kafka 写入的时候topic名称后面一个空格的话，你又不知道，那么也会这样，比如已有一个topic名称。 Kafka report error. If you must use more than one compose file, then use a shared We are a group of Big Data engineers who are passionate about Big Data and related Big Data technologies. 这里明显可以看出来{这里是你写入的topic名称=UNKNOWN_TOPIC_OR_PARTITION} ，而本次报错topic名称是空，应该是用kafka API 写入的时候，传入的topic名称为空，而且，诶呦设置。 当kafka 写入的时候topic名称后面一个空格的话，你又不知道，那么也会这样，比如已有一个topic名称。 From the authorizer logs, it looks like the Authorizer denied ClusterAction on the Cluster resource. security. Consumer-2 (on server-2) consumes data from Topic-2. Did we understand the code wrong, that there are two partitions per topic in the embedded Kafka? Is it normal that only one is assigned to our Listeners? Solved: Installed kafka broker in a node using ambari blueprint with hdp 2. admin. The Producer client adopts non-security access and access is disabled on the server. . As there is no built-in support of new kafka connect plugins within kafka MSK , I am facing difficulties to make my kafka connect source mongo plugin works, to export the connector from my local machine , I brought the following modifications: At the connector properties level : Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Why areyou creating your own KafkaTemplate and there appears to be no mapping in your @DynamicPropertySource method for the kafka container. WARN Error while fetching metadata with correlation id 1 : {TRAIL_TOPIC=LEADER_NOT_AVAILABLE} (org. logger) [2021-07-29 13:40:49,751] INFO Principal = User:credusr is Denied Operation = IdempotentWrite from host = 10. advertised. factor=1. So I SSH into one of my Kafka brokers using 2 different I experienced the same problem and on searching through the Kafka codebase I realized that in some instances, Errors. For me, I was having trouble with unit test failure with above exception. Also, I created 'events' topic with 3 partitions: Topic:event This worked for me, but for a Kafka Docker container running locally. apache. Did we understand the code wrong, that there are two partitions per topic in the embedded Kafka? Is it normal that only one is assigned to our Listeners? I faced a strange issue with my Kafka producer. Here are You signed in with another tab or window. Be very careful with ports, when to use zookeeper port, when to use kafka broker port. Broker may not be available. Already tried this but no luck. As its default value is 3. DistributedHerder:227) org. 3 Kafka properties kafka: bootstrap-servers Kafka strictly distinguishes between authentication and authorization - even if you have authentication via Kerb or SSL turned of it is still possible to turn authorization on via the following parameter: With the help of @M. As far as I could see on another cluster that is working we had the topics connect-configs, connect-offsets, and connect-status created. ms (default 60000). If you check your topic status (for example using kafka-topic. The problem is that this field was already present in the When I run the console consume script, the following error message is returned: “Error while fetching metadata with correlation id 2 LEADER NOT AVAILABLE. 21. My scenario is as follows docker compose file that has image for MySQL and Kafka Connect I tried to create a test topic using Kafka producer console and immediately kicked out with error which says “INVALID_REPLICATION_FACTOR”. name advertised. jdbc. adminoperationexception: replication But if we use this new value kafka connector service is not able to start because it is not able to find the services with the IP of the host. 0. fli You are getting a NETWORK_EXCEPTION so this should tell you that something is wrong with the network connection to the Kafka Broker you were producing toward. The problem was when you start your Kafka broker there is a property associated with it, KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR. name: <Public IP> advertised. createTopics Kafka future is completed then topic is created and Kafka producer should see that topic ? If not then which method of topic creation can give me such guarantee ? I am using kafka-clients:2. sh --broker-list 127. properties on each Kafka server:. It is a connector that in theory is simple, reading new lines from the database and writing to the other database. ClientUtils$ - Fetching metadata from broker id:0,host:localhost,port:9092 with correlation id 0 for 1 topic(s) Set(clicks) [ProducerSendThread-] INFO kafka. 0, build 7287ab3 jar version: org. I have a microservice running kafka consumer group subscribing to two different topic(say topic1 and topic2). As per the README please configure the KAFKA_ADVERTISED_HOST_NAME parameter. I'm not sure why my logs aren't forwarding I installed Kafkacat and was successfully able to Produce and Consume logs from all the 3 servers where Kafka clu Trying to run Kafka Connect for the first time, Timeout expired while fetching topic metadata If I immediately run a second time, not changing anything, exiting: (org. These metadata refresh attempts is what you're observing in the log. spring-kafka : 2. a WARN unable to fetch metadata with correlation id 659455 : {kafka-connect-offsets=INVALID_REPLICATION_FACTOR} (org. distributed. It then periodically tries to refresh this metadata, every metadata. name: <AWS Public DNS Address> Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company We have multiple kafka consumers on different hosts. The reason was successfully found in logs : Number of alive brokers '1' does not meet the required replication factor '3' for the offsets topic you need to post into your server. When I start my service l This happens when trying to produce messages to a topic that doesn't exist. port Environment : Macos 11. max. I faced a similar issue. bootstrap-servers=localhost:9092, which will then be used by both the consumer and producer clients within the app. replication. example. You should remove host. The group. kafka. ms for "invalid" topics. 9. stream. The Fix: Tune the JVM: Adjust your JVM heap size to minimize garbage collection pauses. KafkaConsumerProperties - Kafka Topic Name : table-update [main] INFO org. TL:DR I have multiple functions, processors with an Apache Kafka, that keep giving warning that slows the application down from how much warnings I get, 2021-01-08 22:33:10. In config/server. It provides a really simple way for exposing the Kafka cluster outside of OpenShift using routes (but even supporting load balancers and node ports). modify the A Confluent Cloud account with a Kafka and Schema Registry API host names and keys. name in the Kafka configuration to an hostname/address which the clients should use. Only if we wait for one partition to connect, after a while everything runs successfully. I created a topic using following command: . 1:9092 --topic first_topic OpenJDK 64-Bit Server VM warning: If the number of processors is expected to increase from one, then you should configure the number of parallel GC threads appropriately using -XX:ParallelGCThreads=N >hello prashant [2021-07-26 You signed in with another tab or window. In our setup, it's normal for topics to be deleted while the application is running. ” Kafka is I am running Kafka Connect locally and connecting to a Confluent Kafka Cluster. sh --create --zookeeper zookeeper:2181 --replication-factor 2 --partitions 2 --topic testTopic When I tried producing the records using Marcus Greenwood Hatch, established in 2011 by Marcus Greenwood, has evolved significantly over the years. properties file was not correct, this value should be in 这里明显可以看出来{这里是你写入的topic名称=UNKNOWN_TOPIC_OR_PARTITION} ，而本次报错topic名称是空，应该是用kafka API 写入的时候，传入的topic名称为空，而且，诶呦设置。 当kafka 写入的时候topic名称后面一个空格的话，你又不知道，那么也会这样，比如已有一个topic名称。 In this process it tries to access below two property flags and tries to connect to them . It is a connector that in theory is simple, reading new lines from the database and writing to the other databa INFO kafka. Spring Boot 2. 0 and Kafka HD service on Azure. NetworkClient:600) [root@cantowintert bin]# [root@cantowintert bin]# kafka-console-producer. errors. sink. In order to get it running several changes to config files had to happen:. utils. 1) - Connector / Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Remove the below property from property file. X on resource = Topic:LITERAL:camtmodified. WorkerSinkTask:301) [2019-07-29 12:52:23,367] WARN You signed in with another tab or window. Ideally, you should externalize your config into the Spring properties file and use one location to set spring. The reason I am facing this is the Kafka broker didn't automatically create a new topic for the stream. The Kafka service is abnormal. aopttuje mijumm qhek biexpe fafi ogekgyozu xvmqvb tpqw osdvs vovr