# Tools

**URL:** https://forum.confluent.io/c/tools/34.md

[Latest](https://forum.confluent.io/latest.md) · [Categories](https://forum.confluent.io/categories.md)

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## [About the Tools category](https://forum.confluent.io/t/about-the-tools-category/690)

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**Author:** [@rmoff](https://forum.confluent.io/u/rmoff)\
**Replies:** 0

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Tools are how we work with the APIs. Commandline or graphical, whatever you choose, here is where to ask your questions and discuss your favourite ones.

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## [Kafma — a desktop Kafka UI tool for faster debugging](https://forum.confluent.io/t/kafma-a-desktop-kafka-ui-tool-for-faster-debugging/38471)

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**Author:** [@karma](https://forum.confluent.io/u/karma)\
**Replies:** 0\
**Last updated:** [4 August 2026 02:35 UTC](https://forum.confluent.io/t/kafma-a-desktop-kafka-ui-tool-for-faster-debugging/38471 "2026-08-04T02:35:23Z")

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Hi everyone, We’re excited to share Kafma v1.0.0 — a desktop Kafka GUI client and IDE designed to keep the consume–inspect–produce loop in one workspace and quickly clone remote topics to your local cluster for testing. …

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## [Export topics, ACLs and other configuration as JSON/text](https://forum.confluent.io/t/export-topics-acls-and-other-configuration-as-json-text/38165)

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**Author:** [@maek48](https://forum.confluent.io/u/maek48)\
**Replies:** 5\
**Last updated:** [4 November 2025 09:52 UTC](https://forum.confluent.io/t/export-topics-acls-and-other-configuration-as-json-text/38165 "2025-11-04T09:52:37Z")

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I’m surprised I’m unable to find more posts like this, frankly. We have a cluster, it’s running fine, but we want to move from making configuration changes from a git repository (YAML files and Ansible playbooks) to mak…

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## [ElectionRateAndTimeMs Metric](https://forum.confluent.io/t/electionrateandtimems-metric/37918)

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**Author:** [@rashmish\_cisco](https://forum.confluent.io/u/rashmish_cisco)\
**Replies:** 0\
**Last updated:** [24 June 2025 18:38 UTC](https://forum.confluent.io/t/electionrateandtimems-metric/37918 "2025-06-24T18:38:29Z")

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Running Confluent Kafka in KRaft mode (3.9.0). Not able to see LeaderElectionRateAndTimeMs Metric configured with ControllerStats mbean - Monitoring Kafka with JMX | Confluent Documentation Is this supported metric in K…

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## [Intermittent kcat Hangs with 'Not Leader for Partition' Error on Kafka in AKS](https://forum.confluent.io/t/intermittent-kcat-hangs-with-not-leader-for-partition-error-on-kafka-in-aks/37755)

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**Author:** [@aaronvu96](https://forum.confluent.io/u/aaronvu96)\
**Replies:** 0\
**Last updated:** [7 May 2025 05:54 UTC](https://forum.confluent.io/t/intermittent-kcat-hangs-with-not-leader-for-partition-error-on-kafka-in-aks/37755 "2025-05-07T05:54:05Z")

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I am experiencing intermittent data retrieval issues using kcat against a Kafka cluster hosted on AKS. The command sometimes hangs without returning data or errors. Debug logs show metadata errors like: ListOffsetsReque…

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## [KafkIO - The Fast, Easy Apache Kafka™ GUI, for Engineers and Administrators](https://forum.confluent.io/t/kafkio-the-fast-easy-apache-kafka-gui-for-engineers-and-administrators/36804)

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**Author:** [@credmond](https://forum.confluent.io/u/credmond)\
**Replies:** 0\
**Last updated:** [28 January 2025 17:43 UTC](https://forum.confluent.io/t/kafkio-the-fast-easy-apache-kafka-gui-for-engineers-and-administrators/36804 "2025-01-28T17:43:53Z")

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Hi there! We’re excited to announce that KafkIO has reached a major milestone! Six months and 16 versions since its first release, we feel like it deserves a mention. KafkIO is a native, client-side Kafka GUI for Window…

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## [Multi tenancy in Control center](https://forum.confluent.io/t/multi-tenancy-in-control-center/11080)

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**Author:** [@shubhamshirur1](https://forum.confluent.io/u/shubhamshirur1)\
**Replies:** 0\
**Last updated:** [17 July 2024 12:34 UTC](https://forum.confluent.io/t/multi-tenancy-in-control-center/11080 "2024-07-17T12:34:15Z")

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Hello Team, As we have many features supporting Multi-tenancy in confluent cloud. I understand we can enforce it in Confluent Platform as well by using resource specific regex based ACL authorization for access control …

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## [Piping to jq echo'ing escape '\\' before every '"'](https://forum.confluent.io/t/piping-to-jq-echoing-escape-before-every/10945)

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**Author:** [@georgelza](https://forum.confluent.io/u/georgelza)\
**Replies:** 8\
**Last updated:** [25 June 2024 15:50 UTC](https://forum.confluent.io/t/piping-to-jq-echoing-escape-before-every/10945 "2024-06-25T15:50:40Z")

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Hi all… using jsonschema as the serializer. docker exec -t kafkacat \\ kcat \\ -b broker:29092 \\ -t json\_salescompleted1 \\ -C output as: {"SALEDATETIME":"2024-06-24T12:43:26.268+02:00","SALETIMESTAMP":"17192258…

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## [Kcat and protobuf mesages](https://forum.confluent.io/t/kcat-and-protobuf-mesages/10929)

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**Author:** [@georgelza](https://forum.confluent.io/u/georgelza)\
**Replies:** 3\
**Last updated:** [21 June 2024 19:25 UTC](https://forum.confluent.io/t/kcat-and-protobuf-mesages/10929 "2024-06-21T19:25:37Z")

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Hi all… We all know kafkacat which has now been renamed kcat. we also have a move avro specific version of this… What do we have for Protobuf, even with below command I get those binary bits in my messages printed. d…

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## [Confluent Control Center stops working after a couple of hours](https://forum.confluent.io/t/confluent-control-center-stops-working-after-a-couple-of-hours/10885)

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**Author:** [@MedAzizTousli](https://forum.confluent.io/u/MedAzizTousli)\
**Replies:** 0\
**Last updated:** [12 June 2024 14:42 UTC](https://forum.confluent.io/t/confluent-control-center-stops-working-after-a-couple-of-hours/10885 "2024-06-12T14:42:04Z")

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Hello everybody. This issue I am getting with Control Center is making me go insane. After I deploy Confluent’s Control Center using CRDs provided from Confluent for Kubernetes Operator, it works fine for a couple of ho…

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## [Confluent local services vs confluent local kafka](https://forum.confluent.io/t/confluent-local-services-vs-confluent-local-kafka/10785)

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**Author:** [@myerspa](https://forum.confluent.io/u/myerspa)\
**Replies:** 1\
**Last updated:** [4 June 2024 19:32 UTC](https://forum.confluent.io/t/confluent-local-services-vs-confluent-local-kafka/10785 "2024-06-04T19:32:58Z")

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What is the difference between confluent local services start and confluent local kafka start. Obviously one starts kafka and one starts everything, but running the later requires docker to be running where the former do…

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## [Kafka in Docker using Confluent CLI doesn't work](https://forum.confluent.io/t/kafka-in-docker-using-confluent-cli-doesnt-work/10184)

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**Author:** [@akhanalcs](https://forum.confluent.io/u/akhanalcs)\
**Replies:** 2\
**Last updated:** [14 February 2024 17:50 UTC](https://forum.confluent.io/t/kafka-in-docker-using-confluent-cli-doesnt-work/10184 "2024-02-14T17:50:56Z")

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As shown in Developer guide page under “Local” Kafka Location, it says that a Local Kafka cluster can be started by Confluent CLI but it doesn’t work. I have put all the details about this problem in this Stackoverflow …

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## [Benchmark with confluent platform - local instance](https://forum.confluent.io/t/benchmark-with-confluent-platform-local-instance/9665)

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**Author:** [@TinjakM](https://forum.confluent.io/u/TinjakM)\
**Replies:** 4\
**Last updated:** [2 January 2024 14:39 UTC](https://forum.confluent.io/t/benchmark-with-confluent-platform-local-instance/9665 "2024-01-02T14:39:47Z")

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Hi, I am planning to test / benchmark kafka performance (with Confluent platform) by changing configuration: number of clusters/brokers, replication ration and so on. Can You give me some material / github examples / so…

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## [Confluent local services start not working well](https://forum.confluent.io/t/confluent-local-services-start-not-working-well/7773)

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**Author:** [@pieterbreed](https://forum.confluent.io/u/pieterbreed)\
**Replies:** 4\
**Last updated:** [15 December 2023 20:41 UTC](https://forum.confluent.io/t/confluent-local-services-start-not-working-well/7773 "2023-12-15T20:41:46Z")

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Hi All, When I run confluent local services start it takes about 90 seconds for the command to return a failure … … which is incorrect, because zookeeper did in fact start. Here is the output of the first invocation: $…

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## [Problem installing Confluent Platform](https://forum.confluent.io/t/problem-installing-confluent-platform/9201)

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**Author:** [@tripsegars](https://forum.confluent.io/u/tripsegars)\
**Replies:** 0\
**Last updated:** [29 November 2023 13:04 UTC](https://forum.confluent.io/t/problem-installing-confluent-platform/9201 "2023-11-29T13:04:17Z")

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Apologies if I’m posting in the wrong category. I didn’t see any categories that looked appropriate. I have installed Confluent Platform 7.5.2 per the \[Install Confluent Platform using Systemd on RHEL and CentOS\](https:…

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## [How to set offsets.retention.minutes?](https://forum.confluent.io/t/how-to-set-offsets-retention-minutes/9105)

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**Author:** [@alosman](https://forum.confluent.io/u/alosman)\
**Replies:** 1\
**Last updated:** [17 November 2023 14:18 UTC](https://forum.confluent.io/t/how-to-set-offsets-retention-minutes/9105 "2023-11-17T14:18:52Z")

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Hi everyone, I am trying to learn Kafka and wanted to test offsets.retention.minutes in effect. I am using a compose file retrieved from raw.githubusercontent.com/confluentinc/cp-all-in-one/7.5.2-post/cp-all-in-one-kr…

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## [Error when creating a topic](https://forum.confluent.io/t/error-when-creating-a-topic/7791)

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**Author:** [@hasmine.roldan](https://forum.confluent.io/u/hasmine.roldan)\
**Replies:** 2\
**Last updated:** [1 November 2023 22:13 UTC](https://forum.confluent.io/t/error-when-creating-a-topic/7791 "2023-11-01T22:13:54Z")

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Hi, Good day! I encountered the error below when creating a topic named payments: Error while executing topic command : KeeperErrorCode = NoAuth for /config/topics/Payments \[2023-05-05 17:07:06,027\] ERROR org.apache.…

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## [How to Suggest Features to Confluent CLI?](https://forum.confluent.io/t/how-to-suggest-features-to-confluent-cli/8935)

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**Author:** [@dangoslen](https://forum.confluent.io/u/dangoslen)\
**Replies:** 1\
**Last updated:** [26 October 2023 12:22 UTC](https://forum.confluent.io/t/how-to-suggest-features-to-confluent-cli/8935 "2023-10-26T12:22:47Z")

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I’m glad to see a focus on building a more standardized CLI tool for Confluent. However, I am finding it hard to suggest features or missing commands. The current documentation portal only asks for feedback on a specific…

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## [Zookeeper Backup](https://forum.confluent.io/t/zookeeper-backup/8844)

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**Author:** [@IceGuy](https://forum.confluent.io/u/IceGuy)\
**Replies:** 1\
**Last updated:** [15 October 2023 04:00 UTC](https://forum.confluent.io/t/zookeeper-backup/8844 "2023-10-15T04:00:12Z")

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If we shutdown Zookeeper (e.g. to backup the ZK-Leader at rest) do we have to also stop the brokers? We could by administrative means prevent topic/ACL changes and broker starts during Zookeeper downtime.

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## [Control center "produce a new message to this topic" breaks with Avro](https://forum.confluent.io/t/control-center-produce-a-new-message-to-this-topic-breaks-with-avro/2018)

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**Author:** [@Ben](https://forum.confluent.io/u/Ben)\
**Replies:** 3\
**Last updated:** [6 October 2023 15:28 UTC](https://forum.confluent.io/t/control-center-produce-a-new-message-to-this-topic-breaks-with-avro/2018 "2023-10-06T15:28:02Z")

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Confluent Platform 6.2.0 added a “produce a new message to this topic” form to the messages display. But the key and value have to be specified as JSON and, contrary to my hopes, don’t appear to leverage the REST Proxy t…

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## [Confluent local services start command stuck , no display](https://forum.confluent.io/t/confluent-local-services-start-command-stuck-no-display/8797)

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**Author:** [@vaibhavtankha](https://forum.confluent.io/u/vaibhavtankha)\
**Replies:** 0\
**Last updated:** [30 September 2023 08:36 UTC](https://forum.confluent.io/t/confluent-local-services-start-command-stuck-no-display/8797 "2023-09-30T08:36:51Z")

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Hi All, Dont get any response when i run “confluent local services start” i am able to run zookeeper and kafka by running for eg using below command bin/zookeeper-server-start etc/kafka/zookeeper.properties Also co…

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## [Kafka Monitoring tool for Docker Desktop](https://forum.confluent.io/t/kafka-monitoring-tool-for-docker-desktop/8544)

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**Author:** [@kafkasonar](https://forum.confluent.io/u/kafkasonar)\
**Replies:** 0\
**Last updated:** [22 August 2023 22:14 UTC](https://forum.confluent.io/t/kafka-monitoring-tool-for-docker-desktop/8544 "2023-08-22T22:14:43Z")

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Hello! My team recently launched a new Docker Desktop Extension, Kafka Sonar. Our goal with this product is to enhance the Kafka developer experience when working with containerized clusters. That being said, it is curre…

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## [Monitoring tools by confluent for non confluent kafka cluster](https://forum.confluent.io/t/monitoring-tools-by-confluent-for-non-confluent-kafka-cluster/8476)

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**Author:** [@kaushakr](https://forum.confluent.io/u/kaushakr)\
**Replies:** 0\
**Last updated:** [8 August 2023 14:56 UTC](https://forum.confluent.io/t/monitoring-tools-by-confluent-for-non-confluent-kafka-cluster/8476 "2023-08-08T14:56:53Z")

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Hi Everyone, I was wondering if there is a monitoring tool provided by Confluent that can be used to monitor Kafka clusters not managed by Confluent like - Apache Kafka installed on-premise or on local. Thank you

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## [Unable to log in into HTTP authentication enabled control center](https://forum.confluent.io/t/unable-to-log-in-into-http-authentication-enabled-control-center/6016)

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**Author:** [@tk-iitd](https://forum.confluent.io/u/tk-iitd)\
**Replies:** 2\
**Last updated:** [4 August 2023 11:35 UTC](https://forum.confluent.io/t/unable-to-log-in-into-http-authentication-enabled-control-center/6016 "2023-08-04T11:35:34Z")

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I’m unable to log in to the control center. There are no error messages, and all docker images are working fine. Content of control-center-jaas.properties file is: admin: admin,admin user: user,user Here is the doc…

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## [UI monitoring end-to-end of ksqlDB & connector (on-prem)](https://forum.confluent.io/t/ui-monitoring-end-to-end-of-ksqldb-connector-on-prem/8451)

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**Author:** [@rununrath](https://forum.confluent.io/u/rununrath)\
**Replies:** 0\
**Last updated:** [3 August 2023 11:06 UTC](https://forum.confluent.io/t/ui-monitoring-end-to-end-of-ksqldb-connector-on-prem/8451 "2023-08-03T11:06:04Z")

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Hello, I try to find out any UI monitoring tools that can see end-to-end of ksqlDB & connector on Confluent Platform on-prem like Stream Lineage on Confluent Cloud. My expectations: UI friendly to see details of ksql…

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## [Confluent cli login using api keys](https://forum.confluent.io/t/confluent-cli-login-using-api-keys/8149)

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**Author:** [@graham.lammers](https://forum.confluent.io/u/graham.lammers)\
**Replies:** 0\
**Last updated:** [22 June 2023 18:16 UTC](https://forum.confluent.io/t/confluent-cli-login-using-api-keys/8149 "2023-06-22T18:16:29Z")

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I have tried using: confluent login --api-key --api-secret but it seems you can only use email / password to login. Is it possible to use the CLI with API Keys. Looking to automate the creation on ksqlDB streams us…

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## [3rd party command line tools for Apache Kafka](https://forum.confluent.io/t/3rd-party-command-line-tools-for-apache-kafka/919)

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**Author:** [@rmoff](https://forum.confluent.io/u/rmoff)\
**Replies:** 11\
**Last updated:** [21 June 2023 12:00 UTC](https://forum.confluent.io/t/3rd-party-command-line-tools-for-apache-kafka/919 "2023-06-21T12:00:03Z")

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(See also 3rd party GUI tools for Apache Kafka) In recent times there’s been a proliferation in CLIs for Apache Kafka, and instead of trawling through Reddit to find the announcements I thought I’d collect them here for…

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## [Error: Confluent Cloud backend error](https://forum.confluent.io/t/error-confluent-cloud-backend-error/7784)

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**Author:** [@josielesgoncalves](https://forum.confluent.io/u/josielesgoncalves)\
**Replies:** 25\
**Last updated:** [22 May 2023 19:39 UTC](https://forum.confluent.io/t/error-confluent-cloud-backend-error/7784 "2023-05-22T19:39:37Z")

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Hi, Im having a problem when I run the following command line while watching the kafka tutorial Has anyone had the same problem to help me? confluent api-key create --resource Error: Confluent Cloud backend error: …

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## [AWS-CDK construct for Confluent](https://forum.confluent.io/t/aws-cdk-construct-for-confluent/5401)

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**Author:** [@sergii](https://forum.confluent.io/u/sergii)\
**Replies:** 1\
**Last updated:** [15 May 2023 23:56 UTC](https://forum.confluent.io/t/aws-cdk-construct-for-confluent/5401 "2023-05-15T23:56:01Z")

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We are actively using aws-cdk and would like to manage Confluent Kafka clusters and topics with it as well. Does anyone knows of any attempt to create aws-cdk constructs for Confluent managed resources (similar to terra…

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## [Redpanda Console - Open Source Web UI for Kafka](https://forum.confluent.io/t/redpanda-console-open-source-web-ui-for-kafka/758)

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**Author:** [@weeco](https://forum.confluent.io/u/weeco)\
**Replies:** 10\
**Last updated:** [2 March 2023 12:36 UTC](https://forum.confluent.io/t/redpanda-console-open-source-web-ui-for-kafka/758 "2023-03-02T12:36:11Z")

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Hey, Redpanda Console (previously known as Kowl) is a Web UI, that allows you to explore and find messages in Kafka, provides an overview about topic configuration, consumer groups, brokers etc. It is designed to be hos…

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