# Uncategorized

**URL:** https://community.hivemq.com/c/uncategorized/1.md?page=1

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

**Page:** 2

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## [HiveMQ Edge: Sending MQTT data to OPC UA server](https://community.hivemq.com/t/hivemq-edge-sending-mqtt-data-to-opc-ua-server/3802)

<div class="topic-metadata">

**Author:** [@marko.lipprandt](https://community.hivemq.com/u/marko.lipprandt)\
**Replies:** 5\
**Last updated:** [June 26, 2025, 10:28am UTC](https://community.hivemq.com/t/hivemq-edge-sending-mqtt-data-to-opc-ua-server/3802 "2025-06-26T10:28:29Z")

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I am testing HiveMQ edge. I can receive data from an OPC UA server which are then distributed as a MQTT message. But the other direction ( distribute data from a MQTT message as OPC AU to a server ) does not work. How…

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## [Cann't connect to webclient](https://community.hivemq.com/t/cannt-connect-to-webclient/3727)

<div class="topic-metadata">

**Author:** [@darshpatel](https://community.hivemq.com/u/darshpatel)\
**Replies:** 1\
**Last updated:** [June 16, 2025, 2:38pm UTC](https://community.hivemq.com/t/cannt-connect-to-webclient/3727 "2025-06-16T14:38:21Z")

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I have already created my credentials, and also turned off my firewall, even that i cant connect it back, i have also recreated the username and password

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## [Publishing with SIMcom A7670](https://community.hivemq.com/t/publishing-with-simcom-a7670/3417)

<div class="topic-metadata">

**Author:** [@frarugi87](https://community.hivemq.com/u/frarugi87)\
**Replies:** 1\
**Last updated:** [June 8, 2025, 8:23am UTC](https://community.hivemq.com/t/publishing-with-simcom-a7670/3417 "2025-06-08T08:23:06Z")

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Hi all Since I lost some time to understand how the module works and I wasn’t able to find resources to have a working example (apart from arduino libraries which handle the SSL communication in software), here is the l…

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## [Timeout in subscribeAsync](https://community.hivemq.com/t/timeout-in-subscribeasync/3780)

<div class="topic-metadata">

**Author:** [@SydtrafikSupport](https://community.hivemq.com/u/SydtrafikSupport)\
**Replies:** 1\
**Last updated:** [May 21, 2025, 7:19am UTC](https://community.hivemq.com/t/timeout-in-subscribeasync/3780 "2025-05-21T07:19:49Z")

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I am following the getting started guide, but a time out in the first example, when the program calls SubscribeAsync in line 26. What am I missing?

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## [Public broker recently overloaded?](https://community.hivemq.com/t/public-broker-recently-overloaded/3668)

<div class="topic-metadata">

**Author:** [@stephan](https://community.hivemq.com/u/stephan)\
**Replies:** 9\
**Last updated:** [May 6, 2025, 11:18am UTC](https://community.hivemq.com/t/public-broker-recently-overloaded/3668 "2025-05-06T11:18:47Z")

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We worked with the Free Public MQTT Broker by HiveMQ for about 2 years now. It was reliable, fast and sufficient for the few development use cases we had. Since about 2-3 weeks we cannot connect anymore - if at all, late…

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## [Cluster - DNS name](https://community.hivemq.com/t/cluster-dns-name/3688)

<div class="topic-metadata">

**Author:** [@lukasz5937](https://community.hivemq.com/u/lukasz5937)\
**Replies:** 1\
**Last updated:** [May 6, 2025, 10:35am UTC](https://community.hivemq.com/t/cluster-dns-name/3688 "2025-05-06T10:35:28Z")

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Hi, Is it possible to use DNS names instead of IP addresses in the configuration for a Cluster? If so, how? Best regards

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## [initCertStore() fail due to there's no CA certs file read](https://community.hivemq.com/t/initcertstore-fail-due-to-theres-no-ca-certs-file-read/3730)

<div class="topic-metadata">

**Author:** [@duybao](https://community.hivemq.com/u/duybao)\
**Replies:** 1\
**Last updated:** [April 15, 2025, 7:20am UTC](https://community.hivemq.com/t/initcertstore-fail-due-to-theres-no-ca-certs-file-read/3730 "2025-04-15T07:20:11Z")

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Hi all, I’m now doing as follow of this guideline for esp8266: HiveMQ Cloud When running the code, I’m successfully on wifi’s config and setDateTime() function also. But when it comes to CA certs read function, when ru…

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## [Configure influxdb](https://community.hivemq.com/t/configure-influxdb/3679)

<div class="topic-metadata">

**Author:** [@liamkelly15](https://community.hivemq.com/u/liamkelly15)\
**Replies:** 1\
**Last updated:** [April 4, 2025, 7:43pm UTC](https://community.hivemq.com/t/configure-influxdb/3679 "2025-04-04T19:43:13Z")

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Hi All, I am using the influxdb extension with hivemq broker How do i configure the influxdb to recieve publshed opic etc.. influxdb no longer supports native subscription ? is this extension only for broker metrics ? …

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## [Connnecting HiveMQ to Homeassistant failing](https://community.hivemq.com/t/connnecting-hivemq-to-homeassistant-failing/3603)

<div class="topic-metadata">

**Author:** [@Exiatron00](https://community.hivemq.com/u/Exiatron00)\
**Replies:** 5\
**Last updated:** [April 4, 2025, 7:32pm UTC](https://community.hivemq.com/t/connnecting-hivemq-to-homeassistant-failing/3603 "2025-04-04T19:32:42Z")

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Hi, I have a HiveMQ cluster. I am trying to connect my homeassistant to the HiveMQ broker but I am getting the “connection failed” error every time for no apparent reason , I am able to connect to the HiveMQ broker using…

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## [HiveMQ EDGE S7 adapter encountered an error](https://community.hivemq.com/t/hivemq-edge-s7-adapter-encountered-an-error/3650)

<div class="topic-metadata">

**Author:** [@saad.ahmad](https://community.hivemq.com/u/saad.ahmad)\
**Replies:** 3\
**Last updated:** [March 17, 2025, 11:29am UTC](https://community.hivemq.com/t/hivemq-edge-s7-adapter-encountered-an-error/3650 "2025-03-17T11:29:16Z")

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Hi, I am trying to run HiveMQ Edge with an S7 adaptor but I can’t get the connector to work. I am running HiveMQ Edge Version: 2025.4-rc in a docker container. I have tried both exposing ports (including 102) and a macv…

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## [Unable to connect with CircuitPython - MiniMQTT Library](https://community.hivemq.com/t/unable-to-connect-with-circuitpython-minimqtt-library/3558)

<div class="topic-metadata">

**Author:** [@KaenguruKoala](https://community.hivemq.com/u/KaenguruKoala)\
**Replies:** 4\
**Last updated:** [March 3, 2025, 5:19pm UTC](https://community.hivemq.com/t/unable-to-connect-with-circuitpython-minimqtt-library/3558 "2025-03-03T17:19:54Z")

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I am totally desperate, as I cannot connect in CircuitPython with the MiniMQTT Library to HiveMQ. My code looks like this import ssl import wifi import socketpool import adafruit\_minimqtt.adafruit\_minimqtt as MQTT # W…

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## [Use JWT token based authentication with HiveMQ Edge](https://community.hivemq.com/t/use-jwt-token-based-authentication-with-hivemq-edge/3584)

<div class="topic-metadata">

**Author:** [@Payal](https://community.hivemq.com/u/Payal)\
**Replies:** 6\
**Last updated:** [March 3, 2025, 4:47am UTC](https://community.hivemq.com/t/use-jwt-token-based-authentication-with-hivemq-edge/3584 "2025-03-03T04:47:43Z")

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Hi, I am using HiveMQ-Edge Broker. I have a react-js front end app, currently I am using self-signed certificate to enable secured websocket connection to connect to hivemq edge broker. I want to use JWT token to con…

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## [How to use CA signed certificates in HiveMQ-edge without private key password](https://community.hivemq.com/t/how-to-use-ca-signed-certificates-in-hivemq-edge-without-private-key-password/3587)

<div class="topic-metadata">

**Author:** [@Payal](https://community.hivemq.com/u/Payal)\
**Replies:** 2\
**Last updated:** [March 3, 2025, 4:44am UTC](https://community.hivemq.com/t/how-to-use-ca-signed-certificates-in-hivemq-edge-without-private-key-password/3587 "2025-03-03T04:44:38Z")

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Hi, I have 2 certificates with me server cert and server key. I don’t have password to the server key file with me. According to the configuration of hivemq-edge I have to provide following details to enable ssl : C:…

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## [Cannot log into control center using default username and password](https://community.hivemq.com/t/cannot-log-into-control-center-using-default-username-and-password/3619)

<div class="topic-metadata">

**Author:** [@richardj](https://community.hivemq.com/u/richardj)\
**Replies:** 6\
**Last updated:** [February 28, 2025, 8:44am UTC](https://community.hivemq.com/t/cannot-log-into-control-center-using-default-username-and-password/3619 "2025-02-28T08:44:26Z")

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I’ve tried adding additional users in as per the documentation, I’ve tried enabling and disabling default user in config.xml. My understanding is that default username is ‘admin’ default password is ‘hivemq’ This is an…

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## [Connection Timeout with HiveMQ Public Broker](https://community.hivemq.com/t/connection-timeout-with-hivemq-public-broker/3622)

<div class="topic-metadata">

**Author:** [@dieri](https://community.hivemq.com/u/dieri)\
**Replies:** 1\
**Last updated:** [February 27, 2025, 12:42pm UTC](https://community.hivemq.com/t/connection-timeout-with-hivemq-public-broker/3622 "2025-02-27T12:42:39Z")

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Hi everyone, I’m experiencing a connection timeout issue when trying to connect to the HiveMQ public MQTT broker. Here are the details: Broker: broker.hivemq.com Port: 1883 Library: rumqttc (Rust) Error: Connection …

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## [High Availability in HiveMQ Edge](https://community.hivemq.com/t/high-availability-in-hivemq-edge/3606)

<div class="topic-metadata">

**Author:** [@lakshay](https://community.hivemq.com/u/lakshay)\
**Replies:** 1\
**Last updated:** [February 20, 2025, 2:13pm UTC](https://community.hivemq.com/t/high-availability-in-hivemq-edge/3606 "2025-02-20T14:13:20Z")

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Is redudancy over fail over or clustering supported in hivemq edge commercial version? If not please provide information on how high avialability is maintained? Any links or docs related to this will be highly appreciate…

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## [Web Client Issue](https://community.hivemq.com/t/web-client-issue/2671)

<div class="topic-metadata">

**Author:** [@caveadventurer](https://community.hivemq.com/u/caveadventurer)\
**Replies:** 5\
**Last updated:** [April 24, 2024, 9:34am UTC](https://community.hivemq.com/t/web-client-issue/2671 "2024-04-24T09:34:33Z")

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Hello there, Something weird is happening. When sending a message from an app it is received in the Web Client, and it is visible at the bottom, in the published section. But the ESP32 didn’t received the message. Whe…

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## [Retain Messages via HiveMQ Edge](https://community.hivemq.com/t/retain-messages-via-hivemq-edge/3590)

<div class="topic-metadata">

**Author:** [@lakshay](https://community.hivemq.com/u/lakshay)\
**Replies:** 1\
**Last updated:** [February 19, 2025, 12:44pm UTC](https://community.hivemq.com/t/retain-messages-via-hivemq-edge/3590 "2025-02-19T12:44:22Z")

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want to retain messages in hivemq edge broker since mqtt client doesnot have the feature to add a retain flag.

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## [How to authorize and authenticate broker for secure access](https://community.hivemq.com/t/how-to-authorize-and-authenticate-broker-for-secure-access/3591)

<div class="topic-metadata">

**Author:** [@lakshay](https://community.hivemq.com/u/lakshay)\
**Replies:** 1\
**Last updated:** [February 19, 2025, 11:30am UTC](https://community.hivemq.com/t/how-to-authorize-and-authenticate-broker-for-secure-access/3591 "2025-02-19T11:30:13Z")

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How to authorize and authenticate broker for secure access using username and password for websocket connection.

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## [HIVE MQ base64 encode](https://community.hivemq.com/t/hive-mq-base64-encode/2749)

<div class="topic-metadata">

**Author:** [@Nandhu](https://community.hivemq.com/u/Nandhu)\
**Replies:** 7\
**Last updated:** [February 19, 2025, 11:24am UTC](https://community.hivemq.com/t/hive-mq-base64-encode/2749 "2025-02-19T11:24:04Z")

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I’m currently utilizing HiveMQ Edge and have integrated an HTTPS adapter to make API calls and retrieve data. However, I’ve noticed that the data returned from these calls is encoded in base64. For instance, the data I’…

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## [For setup hivemq in my own server](https://community.hivemq.com/t/for-setup-hivemq-in-my-own-server/3498)

<div class="topic-metadata">

**Author:** [@chandan123456](https://community.hivemq.com/u/chandan123456)\
**Replies:** 1\
**Last updated:** [February 19, 2025, 11:16am UTC](https://community.hivemq.com/t/for-setup-hivemq-in-my-own-server/3498 "2025-02-19T11:16:14Z")

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Hi Team, I have installed HiveMQ and completed all the steps for normal TCP communication successfully. However, I need to set up TLS with a CA-signed certificate instead of a self-signed certificate. Could you please g…

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## [HIVEMQ EDGE OPC-UA: Connection issue](https://community.hivemq.com/t/hivemq-edge-opc-ua-connection-issue/3312)

<div class="topic-metadata">

**Author:** [@PP\_GFMS](https://community.hivemq.com/u/PP_GFMS)\
**Replies:** 4\
**Last updated:** [February 19, 2025, 11:08am UTC](https://community.hivemq.com/t/hivemq-edge-opc-ua-connection-issue/3312 "2025-02-19T11:08:37Z")

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HI All I’ve installed the hivemq-edge container and trying to us OPC-UA adapter. I’m getting error when I start up the adapter as following: 2024-11-07 09:53:23,842 INFO - Starting protocol-adapter ‘Sim172291685’. 2…

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## [Not able to pull docker image of Hivemq-edge in Ubuntu 24.04](https://community.hivemq.com/t/not-able-to-pull-docker-image-of-hivemq-edge-in-ubuntu-24-04/3605)

<div class="topic-metadata">

**Author:** [@Payal](https://community.hivemq.com/u/Payal)\
**Replies:** 2\
**Last updated:** [February 19, 2025, 10:47am UTC](https://community.hivemq.com/t/not-able-to-pull-docker-image-of-hivemq-edge-in-ubuntu-24-04/3605 "2025-02-19T10:47:05Z")

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Hi, I am trying to run hivemq-edge in docker container using documentation - Hivemq-edge-docker I am getting following error could you please give me more information about this? does hivemq repo on dockerhub has a…

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## [Is it possible to pass MQTT data into the body of the HTTP request for HiveMQ Edge?](https://community.hivemq.com/t/is-it-possible-to-pass-mqtt-data-into-the-body-of-the-http-request-for-hivemq-edge/3567)

<div class="topic-metadata">

**Author:** [@Andrew\_S](https://community.hivemq.com/u/Andrew_S)\
**Replies:** 1\
**Last updated:** [February 19, 2025, 10:46am UTC](https://community.hivemq.com/t/is-it-possible-to-pass-mqtt-data-into-the-body-of-the-http-request-for-hivemq-edge/3567 "2025-02-19T10:46:03Z")

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I was wondering if it would be possible to pass down information from a topic to the http request body for the http adapter?

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## [Hivemq edge 2025.1 - Unable to login to console](https://community.hivemq.com/t/hivemq-edge-2025-1-unable-to-login-to-console/3546)

<div class="topic-metadata">

**Author:** [@PrairieSnpr](https://community.hivemq.com/u/PrairieSnpr)\
**Replies:** 6\
**Last updated:** [February 7, 2025, 2:25pm UTC](https://community.hivemq.com/t/hivemq-edge-2025-1-unable-to-login-to-console/3546 "2025-02-07T14:25:02Z")

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I’m no longer able to login to the Hivemq edge admin console after upgrading from 2024.9 to 2025.2. Hivemq edge is running in a docker container, no errors are logged, however chrome debug console reports GET http://127.…

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## [HIVE MQ OPC UA Connection Codesys](https://community.hivemq.com/t/hive-mq-opc-ua-connection-codesys/3512)

<div class="topic-metadata">

**Author:** [@Kalyan](https://community.hivemq.com/u/Kalyan)\
**Replies:** 3\
**Last updated:** [February 5, 2025, 5:08pm UTC](https://community.hivemq.com/t/hive-mq-opc-ua-connection-codesys/3512 "2025-02-05T17:08:34Z")

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Hi, I am trying to connect a PLC to the hivemq edge through OPC UA adapter. My PLC data and tags is accessible through the UAexpert software. and when configured in the Hivemq edge it is showing below error. I am gettin…

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## [Hivemq edge and Hivemq cloud connection](https://community.hivemq.com/t/hivemq-edge-and-hivemq-cloud-connection/3513)

<div class="topic-metadata">

**Author:** [@Kalyan](https://community.hivemq.com/u/Kalyan)\
**Replies:** 3\
**Last updated:** [January 29, 2025, 5:43pm UTC](https://community.hivemq.com/t/hivemq-edge-and-hivemq-cloud-connection/3513 "2025-01-29T17:43:55Z")

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Hi, I have implemented a OPC UA adapter in hivemq edge and is now connecting to my PLC. Now i want it to be connected to the hive mq cloud i followed the tutorial given and in the hive mq bridge i have entered the detai…

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## [SSL certificate with micropython esp32](https://community.hivemq.com/t/ssl-certificate-with-micropython-esp32/3478)

<div class="topic-metadata">

**Author:** [@sam01](https://community.hivemq.com/u/sam01)\
**Replies:** 4\
**Last updated:** [January 16, 2025, 6:01pm UTC](https://community.hivemq.com/t/ssl-certificate-with-micropython-esp32/3478 "2025-01-16T18:01:11Z")

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Hi, how to connect ESP32 using MICROPYTHON to HiveMQ broker port 8883. i tried many ways but always fails i think due to SSL CERTIFICATION. can someone help me ? thank you so much.

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## [Sparkplug RBAC Issues](https://community.hivemq.com/t/sparkplug-rbac-issues/3483)

<div class="topic-metadata">

**Author:** [@EricWhite](https://community.hivemq.com/u/EricWhite)\
**Replies:** 1\
**Last updated:** [January 15, 2025, 1:39am UTC](https://community.hivemq.com/t/sparkplug-rbac-issues/3483 "2025-01-15T01:39:13Z")

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Hi Everyone, I’m trying to configure RBAC to work with Sparkplug and Ignition MQTT Modules. I have a user for called engine1 which is the primary host (subscriber) to sparkplug which has full read/write capabilities usi…

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## [Reconnector use new authentication details](https://community.hivemq.com/t/reconnector-use-new-authentication-details/3290)

<div class="topic-metadata">

**Author:** [@ounger](https://community.hivemq.com/u/ounger)\
**Replies:** 2\
**Last updated:** [January 13, 2025, 6:03pm UTC](https://community.hivemq.com/t/reconnector-use-new-authentication-details/3290 "2025-01-13T18:03:50Z")

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I’m working with JWT tokens as passwords. These expire after a while so that on a connect or reconnect you have to provide a valid token. How to setup my client so that on a reconnect attempt it gets the current usernam…

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