# HiveMQ Extensions

**URL:** https://community.hivemq.com/c/hivemq-extensions/12.md

[Latest](https://community.hivemq.com/latest.md) · [Categories](https://community.hivemq.com/categories.md)

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## [About the HiveMQ Extensions category](https://community.hivemq.com/t/about-the-hivemq-extensions-category/187)

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**Author:** [@hivemq-support](https://community.hivemq.com/u/hivemq-support)\
**Replies:** 0

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This category is the right place to ask any question regarding pre-built HiveMQ extensions from the HiveMQ Marketplace.

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## [Cannot connect to LDAP server and no messages in access log](https://community.hivemq.com/t/cannot-connect-to-ldap-server-and-no-messages-in-access-log/3969)

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**Author:** [@rgn\_ppaul](https://community.hivemq.com/u/rgn_ppaul)\
**Replies:** 1\
**Last updated:** [December 11, 2025, 10:01am UTC](https://community.hivemq.com/t/cannot-connect-to-ldap-server-and-no-messages-in-access-log/3969 "2025-12-11T10:01:20Z")

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Hi, We are using ldap to provide authentication and authorization for control center access. I have removed the DISABLED file in the hivemq-extensions folder to enable access and have configured the "config.xml" file …

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## [HiveMQ Bridge to TLS encrypted broker without validation](https://community.hivemq.com/t/hivemq-bridge-to-tls-encrypted-broker-without-validation/3684)

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**Author:** [@MartinJensen37](https://community.hivemq.com/u/MartinJensen37)\
**Replies:** 1\
**Last updated:** [April 4, 2025, 7:39pm UTC](https://community.hivemq.com/t/hivemq-bridge-to-tls-encrypted-broker-without-validation/3684 "2025-04-04T19:39:04Z")

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Hello! I’m trying to bridge my HiveMQ broker to a proprietary broker from Omron. The problematic thing is that the Omron broker uses TLS encryption without certificate validation and a simple password and username. Whe…

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## [Enable extension (kafka) in HiveMQ Platform Operator for Kubernetes](https://community.hivemq.com/t/enable-extension-kafka-in-hivemq-platform-operator-for-kubernetes/3640)

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**Author:** [@Ramon](https://community.hivemq.com/u/Ramon)\
**Replies:** 1\
**Last updated:** [March 4, 2025, 8:26am UTC](https://community.hivemq.com/t/enable-extension-kafka-in-hivemq-platform-operator-for-kubernetes/3640 "2025-03-04T08:26:14Z")

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Hi, I’ve deployed HiveMQ for AKS with HiveMQ Kubernetes Operator following this guide HiveMQ with Azure Kubernetes Service (AKS) , and it worked pretty well. Now the issue I’m facing is how to enable an extension, in m…

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## [RBAC changes only effect new connections](https://community.hivemq.com/t/rbac-changes-only-effect-new-connections/3451)

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**Author:** [@EricWhite](https://community.hivemq.com/u/EricWhite)\
**Replies:** 1\
**Last updated:** [March 3, 2025, 6:06pm UTC](https://community.hivemq.com/t/rbac-changes-only-effect-new-connections/3451 "2025-03-03T18:06:02Z")

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Hi All, Sorry if this is a duplicate, but can’t seem to find a relevant post already. I have been able to use the File RBAC Extension to limit new connections, but any changes to the file doesn’t have any effect on cli…

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## [Role Configuration with RBAC Extension](https://community.hivemq.com/t/role-configuration-with-rbac-extension/2007)

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**Author:** [@larry.jones](https://community.hivemq.com/u/larry.jones)\
**Replies:** 14\
**Last updated:** [January 15, 2025, 1:46am UTC](https://community.hivemq.com/t/role-configuration-with-rbac-extension/2007 "2025-01-15T01:46:29Z")

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I’m using HiveMQ Professional 4.7.3 and I’m trying to use the File RBAC (HiveMQ Extension - File RBAC) extension to require username/password authentication and to limit users to specific topics. When I configured the c…

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## [CPU utilization is getting increased after few unauthorized connection attempts in HiveMQ](https://community.hivemq.com/t/cpu-utilization-is-getting-increased-after-few-unauthorized-connection-attempts-in-hivemq/3314)

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**Author:** [@Harman](https://community.hivemq.com/u/Harman)\
**Replies:** 1\
**Last updated:** [November 20, 2024, 10:22am UTC](https://community.hivemq.com/t/cpu-utilization-is-getting-increased-after-few-unauthorized-connection-attempts-in-hivemq/3314 "2024-11-20T10:22:49Z")

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Hi Team, We are using the HiveMQ where the 3rd parties are subscribing to few topics and publishing the data after successful authentication. Nowadays, we are experiencing an issue, where threads are getting blocked wh…

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## [Using Schema Registry](https://community.hivemq.com/t/using-schema-registry/2778)

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**Author:** [@dan](https://community.hivemq.com/u/dan)\
**Replies:** 1\
**Last updated:** [March 19, 2024, 12:35pm UTC](https://community.hivemq.com/t/using-schema-registry/2778 "2024-03-19T12:35:58Z")

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Hi, I’ve been testing with sending data to a confluent cluster and I’m curious about specifying a schema - for sparkplugB\\protobufs - for my topic I believe i can add this to the config file with the use-schema-registr…

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## [Problems with the Sparkplug InfluxDB extension](https://community.hivemq.com/t/problems-with-the-sparkplug-influxdb-extension/2404)

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**Author:** [@marc-balena](https://community.hivemq.com/u/marc-balena)\
**Replies:** 9\
**Last updated:** [November 23, 2023, 3:14pm UTC](https://community.hivemq.com/t/problems-with-the-sparkplug-influxdb-extension/2404 "2023-11-23T15:14:26Z")

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Hello, I have issues using the HiveMQ Sparkplug extension with InfluxDB. I’m following the instructions from here Sparkplug InfluxDB Extension for HiveMQ and i’m running this on a balena.io device with InfluxDB 2.71 and H…

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## [HiveMQ + Kafka Extension cannot connect to Confluent](https://community.hivemq.com/t/hivemq-kafka-extension-cannot-connect-to-confluent/1973)

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**Author:** [@jsmith](https://community.hivemq.com/u/jsmith)\
**Replies:** 3\
**Last updated:** [November 17, 2023, 11:42am UTC](https://community.hivemq.com/t/hivemq-kafka-extension-cannot-connect-to-confluent/1973 "2023-11-17T11:42:10Z")

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Hello! Here’s is my setup: as a POC I set up a cluster of HiveMQ in AWS, enabled the Kafka Extension and was expecting it to send the messages to Confluent Cloud with the API key for the cluster. The extension initializ…

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## [How can I force reload hivemq ESE](https://community.hivemq.com/t/how-can-i-force-reload-hivemq-ese/2381)

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**Author:** [@Susan](https://community.hivemq.com/u/Susan)\
**Replies:** 9\
**Last updated:** [September 26, 2023, 8:49am UTC](https://community.hivemq.com/t/how-can-i-force-reload-hivemq-ese/2381 "2023-09-26T08:49:04Z")

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I noticed every time I made a change my hivemq log doesn’t change even after I removed disabled. I have to reboot the server in order to get the last updated information in the hivemq.log. Please advise. Also can I have …

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## [Cannot remove DISABLED file from ESE](https://community.hivemq.com/t/cannot-remove-disabled-file-from-ese/2291)

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**Author:** [@tweiss23](https://community.hivemq.com/u/tweiss23)\
**Replies:** 5\
**Last updated:** [August 20, 2023, 4:32pm UTC](https://community.hivemq.com/t/cannot-remove-disabled-file-from-ese/2291 "2023-08-20T16:32:31Z")

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I’m running HiveMQ 4.18 broker on Docker with trial license (5hr limit). I’ve stopped broker and restarted multiple times and still can not remove the DISABLED file within the /opt/hivemq-4.18.0/extensions/hivemq-enterpr…

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## [Read retained messages from extension without subscribing?](https://community.hivemq.com/t/read-retained-messages-from-extension-without-subscribing/2166)

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**Author:** [@RickBullotta](https://community.hivemq.com/u/RickBullotta)\
**Replies:** 2\
**Last updated:** [June 22, 2023, 3:38pm UTC](https://community.hivemq.com/t/read-retained-messages-from-extension-without-subscribing/2166 "2023-06-22T15:38:39Z")

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Is there an API in the extension framework that would permit reading a retained message from a topic without the overhead of spinning up a subscription and waiting for the response? Thanks for any suggestions!

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## [ESE not connecting to postgres database](https://community.hivemq.com/t/ese-not-connecting-to-postgres-database/2253)

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**Author:** [@brianstjean](https://community.hivemq.com/u/brianstjean)\
**Replies:** 9\
**Last updated:** [August 1, 2023, 7:18am UTC](https://community.hivemq.com/t/ese-not-connecting-to-postgres-database/2253 "2023-08-01T07:18:57Z")

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I am trying to connect the hivemq ese to my postgres database and am getting the following error. The config file seems to match what you recommend. Here is the error list: 2023-07-30 23:13:49,812 INFO - Starting Hive…

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## [Expose port for additional HTTP/REST API from within extension](https://community.hivemq.com/t/expose-port-for-additional-http-rest-api-from-within-extension/2169)

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**Author:** [@RickBullotta](https://community.hivemq.com/u/RickBullotta)\
**Replies:** 3\
**Last updated:** [June 23, 2023, 2:21pm UTC](https://community.hivemq.com/t/expose-port-for-additional-http-rest-api-from-within-extension/2169 "2023-06-23T14:21:35Z")

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I’d like to expose some additional functionality via a REST API from within a HiveMQ extension. Should this be possible? Are there any sandboxing issues that would prevent this?

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## [Hive MQ Logging : Assistance Required](https://community.hivemq.com/t/hive-mq-logging-assistance-required/1836)

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**Author:** [@ASEWPER](https://community.hivemq.com/u/ASEWPER)\
**Replies:** 8\
**Last updated:** [June 14, 2023, 2:50pm UTC](https://community.hivemq.com/t/hive-mq-logging-assistance-required/1836 "2023-06-14T14:50:23Z")

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Hi, Can someone share insight as to how to configure logging on our Hive MQ. Also can one also share insight as to where the log file will be stored? Some info which might help : Hive MQ is running in a docker conta…

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## [Enterprise Security Extension SQL Auth](https://community.hivemq.com/t/enterprise-security-extension-sql-auth/2136)

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**Author:** [@hbra](https://community.hivemq.com/u/hbra)\
**Replies:** 1\
**Last updated:** [June 12, 2023, 9:05am UTC](https://community.hivemq.com/t/enterprise-security-extension-sql-auth/2136 "2023-06-12T09:05:35Z")

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Hello, I just started experimenting with HiveMQ and was trying to set MQTT client auth with Postresql. I have followed all the documentation and created all my users and roles and permissions following this document Con…

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## [Passwordless auth with client key+cert and Enterprise Security Extension](https://community.hivemq.com/t/passwordless-auth-with-client-key-cert-and-enterprise-security-extension/2131)

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**Author:** [@tbrn](https://community.hivemq.com/u/tbrn)\
**Replies:** 3\
**Last updated:** [June 9, 2023, 7:53pm UTC](https://community.hivemq.com/t/passwordless-auth-with-client-key-cert-and-enterprise-security-extension/2131 "2023-06-09T19:53:01Z")

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In our use-case we have clients connecting to the broker using a client certificate + key and we want to use the Enterprise Security Extension for role-based access control, with an MSSQL backend. Right now I have manag…

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## [I am unable to create a config for my broker extension in kubernetes](https://community.hivemq.com/t/i-am-unable-to-create-a-config-for-my-broker-extension-in-kubernetes/2006)

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**Author:** [@gowtham](https://community.hivemq.com/u/gowtham)\
**Replies:** 10\
**Last updated:** [May 11, 2023, 4:28pm UTC](https://community.hivemq.com/t/i-am-unable-to-create-a-config-for-my-broker-extension-in-kubernetes/2006 "2023-05-11T16:28:12Z")

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Hello all, i am currenly working on migrating deployments from on-prem to cloud. For that i am using the hivemq comunity edition broker and deploying on kubernetes. I am unable to config the extensions to autheticate t…

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## [Sparkplug B Converter/Expander Now Available](https://community.hivemq.com/t/sparkplug-b-converter-expander-now-available/2055)

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**Author:** [@RickBullotta](https://community.hivemq.com/u/RickBullotta)\
**Replies:** 0\
**Last updated:** [May 9, 2023, 5:04pm UTC](https://community.hivemq.com/t/sparkplug-b-converter-expander-now-available/2055 "2023-05-09T17:04:10Z")

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Hi, all. I posted my HiveMQ extension that monitors Sparkplug B topics and “expands” them automatically by converting Sparkplug metrics into individual topics and the metadata into other topics. All are published back …

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## [Hivemq-prometheus extension](https://community.hivemq.com/t/hivemq-prometheus-extension/2037)

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**Author:** [@gowtham](https://community.hivemq.com/u/gowtham)\
**Replies:** 1\
**Last updated:** [May 4, 2023, 12:33pm UTC](https://community.hivemq.com/t/hivemq-prometheus-extension/2037 "2023-05-04T12:33:30Z")

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Hello @hivemq-support , Good Afternoon, i have a question about prometheus extension for the hivemq broker deployed as pod in kuberetes. Currently i am running community broker with file-rbac, prometheus extensions an…

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## [Publishing to mutiple topics with PublishInboundInterceptor](https://community.hivemq.com/t/publishing-to-mutiple-topics-with-publishinboundinterceptor/1995)

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**Author:** [@RickBullotta](https://community.hivemq.com/u/RickBullotta)\
**Replies:** 4\
**Last updated:** [April 18, 2023, 5:16pm UTC](https://community.hivemq.com/t/publishing-to-mutiple-topics-with-publishinboundinterceptor/1995 "2023-04-18T17:16:43Z")

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Here’s a simple scenario that I’d like to implement via an interceptor: Publish comes in on topic “A” with some payload I’d like to split up the payload, then publish (with the retain flag) to topics “X”, “Y”, and “Z” …

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## [HiveMQ CE as Docker container with prometeus extension?](https://community.hivemq.com/t/hivemq-ce-as-docker-container-with-prometeus-extension/1886)

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**Author:** [@Fantaa](https://community.hivemq.com/u/Fantaa)\
**Replies:** 1\
**Last updated:** [March 14, 2023, 9:51am UTC](https://community.hivemq.com/t/hivemq-ce-as-docker-container-with-prometeus-extension/1886 "2023-03-14T09:51:14Z")

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Moin, I am running hivemq-ce in a container, together with some other container in a docker-compose environment. Now I want to monitor the mqtt server. Grafana, Prometeus and InfluxDB are running. But how? I found some…

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## [HiveMQ Enterprise Extension for Kafka](https://community.hivemq.com/t/hivemq-enterprise-extension-for-kafka/1779)

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**Author:** [@syed](https://community.hivemq.com/u/syed)\
**Replies:** 1\
**Last updated:** [January 24, 2023, 3:48pm UTC](https://community.hivemq.com/t/hivemq-enterprise-extension-for-kafka/1779 "2023-01-24T15:48:36Z")

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Hi, I am new to HiveMQ. I have deployed it on EKS and tried to enable the kafka extension but I couldn’t find any solutions to work around with this. When I enabled it, it says as shown in the below image. Any help is h…

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## [Clarification on License](https://community.hivemq.com/t/clarification-on-license/1734)

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**Author:** [@Shaku](https://community.hivemq.com/u/Shaku)\
**Replies:** 1\
**Last updated:** [January 4, 2023, 1:01pm UTC](https://community.hivemq.com/t/clarification-on-license/1734 "2023-01-04T13:01:58Z")

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Hi, What happens if a extension licenses are expired? Will there be any additional duration of operation which is being performed in hivemq without any interruption in commercial/professional/enterprise edition of hivem…

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## [How to write to InfluxDB2 using hivemq-influxdb-extension](https://community.hivemq.com/t/how-to-write-to-influxdb2-using-hivemq-influxdb-extension/1234)

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**Author:** [@janosch](https://community.hivemq.com/u/janosch)\
**Replies:** 1\
**Last updated:** [January 2, 2023, 9:11am UTC](https://community.hivemq.com/t/how-to-write-to-influxdb2-using-hivemq-influxdb-extension/1234 "2023-01-02T09:11:32Z")

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Hi all, I just set up a fresh InfluxDB2 (current version 2.2) and created a bucket to collect some hivemq metrics. As far as I understood, writing to my bucket involves usage of the token, which was created during data…

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## [Hivemq-google-cloud-pubsub-extension](https://community.hivemq.com/t/hivemq-google-cloud-pubsub-extension/1542)

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**Author:** [@krshashank963](https://community.hivemq.com/u/krshashank963)\
**Replies:** 2\
**Last updated:** [December 7, 2022, 5:01am UTC](https://community.hivemq.com/t/hivemq-google-cloud-pubsub-extension/1542 "2022-12-07T05:01:57Z")

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Hi I am trying to get start with Google pub sub extension . While deployment I have updated the google-cloud-pubsub-configuration.xml file as suggested in documentation. While starting the service I am getting the mess…

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## [Distributed Tracing - Get traceId at time message is published](https://community.hivemq.com/t/distributed-tracing-get-traceid-at-time-message-is-published/1562)

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**Author:** [@lgaskill](https://community.hivemq.com/u/lgaskill)\
**Replies:** 3\
**Last updated:** [November 11, 2022, 10:48am UTC](https://community.hivemq.com/t/distributed-tracing-get-traceid-at-time-message-is-published/1562 "2022-11-11T10:48:10Z")

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With the Distributed Tracing Extension enabled, I am able to see that the resulting traceId is made available to subscribers of sampled messages through the “userProperties” \> “traceparent” field. This is a powerful way …

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## [Consume Kafka topic from the beginning](https://community.hivemq.com/t/consume-kafka-topic-from-the-beginning/1567)

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**Author:** [@tristan](https://community.hivemq.com/u/tristan)\
**Replies:** 1\
**Last updated:** [November 10, 2022, 3:29pm UTC](https://community.hivemq.com/t/consume-kafka-topic-from-the-beginning/1567 "2022-11-10T15:29:53Z")

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Hello, I would like to know if it is possible to create a Kafka-To-MQTT mapping where the Kafka topic is consumed from the beginning. On a typical kafka consumer, this can be accomplished by setting the auto.offset.rese…

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## [The signature of an enterprise extension is required by HiveMQ](https://community.hivemq.com/t/the-signature-of-an-enterprise-extension-is-required-by-hivemq/1574)

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**Author:** [@khalil](https://community.hivemq.com/u/khalil)\
**Replies:** 1\
**Last updated:** [November 9, 2022, 9:31am UTC](https://community.hivemq.com/t/the-signature-of-an-enterprise-extension-is-required-by-hivemq/1574 "2022-11-09T09:31:01Z")

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Extension hivemq-enterprise-security-extension cannot be loaded. The extension signature could not be read. The signature of an enterprise extension is required by HiveMQ. !!! help me for This messages

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