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vert.x

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Welcome to the vert.x google group!

Vert.x - a tool-kit for building reactive applications on the JVM

Please use this group for any user or development vert.x topics.

For development discussions please use the development group

For commits please see the commits list

For any private enquiries about Vert.x please send an email to the enquiries list

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jul...@julienviet.com, … Himanshu Gupta251

03/04/2025

What would you like to see in Vert.x

May be a CDI library specially for vert.x ... All the ones out there are good but a vert.x tailored

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What would you like to see in Vert.x

May be a CDI library specially for vert.x ... All the ones out there are good but a vert.x tailored

03/04/2025

15 Jan

5.0.7 / 4.5.24 releases

Hi everyone, Eclipse Vert.x 5.0.7 / 4.5.24 have been released, fixing bugs as well as https://www.cve

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5.0.7 / 4.5.24 releases

Hi everyone, Eclipse Vert.x 5.0.7 / 4.5.24 have been released, fixing bugs as well as https://www.cve

15 Jan

16/12/2025

Eclipse Vert.x 5.0.6 / 4.5.23 releases

Hi community, Eclipse Vert.x 5.0.6 / 4.5.23 have been released, fixing bugs as well as https://www.

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Eclipse Vert.x 5.0.6 / 4.5.23 releases

Hi community, Eclipse Vert.x 5.0.6 / 4.5.23 have been released, fixing bugs as well as https://www.

16/12/2025

11/12/2025

Does it make sense to run multiple Kafka Producer in a vert.x application

Hi, I am running a cluster vert.x web application running on 8 vCPU and 16 GB RAM VM. The application

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Does it make sense to run multiple Kafka Producer in a vert.x application

Hi, I am running a cluster vert.x web application running on 8 vCPU and 16 GB RAM VM. The application

11/12/2025

Jody, … Thomas SEGISMONT3

27/11/2025

Hazelcast removes CP subsystem from community edition

Yes indeed. Vert.x Hazelcast no longer uses the CP subsystem. However, Hazelcast offers an enterprise

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Hazelcast removes CP subsystem from community edition

Yes indeed. Vert.x Hazelcast no longer uses the CP subsystem. However, Hazelcast offers an enterprise

27/11/2025

22/10/2025

Eclipse Vert.x 5.0.5 and 4.5.22 released

Hi, Eclipse Vert.x 5.0.5 and 4.5.22 have been released providing fixes for CVE-2025-11965 and CVE-

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Eclipse Vert.x 5.0.5 and 4.5.22 released

Hi, Eclipse Vert.x 5.0.5 and 4.5.22 have been released providing fixes for CVE-2025-11965 and CVE-

22/10/2025

timm...@hotmail.com, Thomas SEGISMONT3

02/10/2025

vertx-web-sstore-caffeine NoSuchMethodError issue

Thanks Thomas, my bad, I missed older version being pulled in from else where On Thursday, 2 October

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vertx-web-sstore-caffeine NoSuchMethodError issue

Thanks Thomas, my bad, I missed older version being pulled in from else where On Thursday, 2 October

02/10/2025

Satyabrata Mishra, Thomas SEGISMONT5

13/09/2025

DNS resolution failing with java.net.UnknownHostException

Le sam. 13 sept. 2025 à 19:19, Satyabrata Mishra <satya.m...@gmail.com> a écrit : Hello

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DNS resolution failing with java.net.UnknownHostException

Le sam. 13 sept. 2025 à 19:19, Satyabrata Mishra <satya.m...@gmail.com> a écrit : Hello

13/09/2025

Aleksandar Pavlovic, Thomas SEGISMONT4

11/09/2025

How to hot-reload with vert.x 5 VertxApplication launcher

Hi, In the version 2 of the Vert.x Maven plugin, there is some code for file changes monitoring

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How to hot-reload with vert.x 5 VertxApplication launcher

Hi, In the version 2 of the Vert.x Maven plugin, there is some code for file changes monitoring

11/09/2025

03/09/2025

5.0.4 / 4.5.21 releases fixing for CVE-2025-58057 and CVE-2025-58056

Hi community, Eclipse Vert.x 5.0.4 an 4.5.21 have been released https://vertx.io/blog/eclipse-vert-x-

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5.0.4 / 4.5.21 releases fixing for CVE-2025-58057 and CVE-2025-58056

Hi community, Eclipse Vert.x 5.0.4 an 4.5.21 have been released https://vertx.io/blog/eclipse-vert-x-

03/09/2025

Brad Grier, Julien Viet3

28/08/2025

I was looking at the files changed for the pull request to see how to use the new feature. There are

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I was looking at the files changed for the pull request to see how to use the new feature. There are

28/08/2025

jim-g...@spudsoft.co.uk, Julien Viet2

22/08/2025

Any way to add context data to HttpServerRequest?

Hi, you can use Vert.x context local data that can be stored with an vertx context having a lifecycle

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Any way to add context data to HttpServerRequest?

Hi, you can use Vert.x context local data that can be stored with an vertx context having a lifecycle

22/08/2025

E. Ulrich Kriegel, Julien Viet3

22/08/2025

What is the replacement to setMaxPoolSize in WebClientOptions in Vertx 5.0.2

you need to use the factory method that takes the new PoolOptions parameter: WebClient create(Vertx

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What is the replacement to setMaxPoolSize in WebClientOptions in Vertx 5.0.2

you need to use the factory method that takes the new PoolOptions parameter: WebClient create(Vertx

22/08/2025

13/08/2025

5.0.3 / 4.5.18 releases (providing protection for MadeYouReset DDOS attacks)

Hi community, Eclipse Vert.x 5.0.3 an 4.5.18 have been released https://vertx.io/blog/eclipse-vert-x-

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5.0.3 / 4.5.18 releases (providing protection for MadeYouReset DDOS attacks)

Hi community, Eclipse Vert.x 5.0.3 an 4.5.18 have been released https://vertx.io/blog/eclipse-vert-x-

13/08/2025

E. Ulrich Kriegel, Thomas SEGISMONT2

23/07/2025

Oracle Client and ldap authentification for an oracle connection

Hi, It's not planned, but perhaps can you put the configuration in a tnsnames file and then use a

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Oracle Client and ldap authentification for an oracle connection

Hi, It's not planned, but perhaps can you put the configuration in a tnsnames file and then use a

23/07/2025

Ronald van Raaphorst, … Thomas SEGISMONT7

16/07/2025

Backpressure for several subsequent API calls

Thanks for the feedback, Bruno! Le mer. 16 juil. 2025 à 10:13, 'Bruno F' via vert.x <vertx

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Backpressure for several subsequent API calls

Thanks for the feedback, Bruno! Le mer. 16 juil. 2025 à 10:13, 'Bruno F' via vert.x <vertx

16/07/2025

Sachin Mittal, Thomas SEGISMONT4

10/07/2025

Do we need to set setThreadingModel(ThreadingModel.WORKER) for executeBlocking to be executed by worker thread

To get a definitive answer about performance, you have to benchmark your own use case. In general,

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Do we need to set setThreadingModel(ThreadingModel.WORKER) for executeBlocking to be executed by worker thread

To get a definitive answer about performance, you have to benchmark your own use case. In general,

10/07/2025

Sachin Mittal, Thomas SEGISMONT3

09/07/2025

Urgent help, with upgrade to 5.0.1 vertx web application stops after 2 minutes

Hi, Yes this fixed the problem. Thanks Sachin On Tue, Jul 8, 2025 at 11:59 PM Thomas SEGISMONT <

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Urgent help, with upgrade to 5.0.1 vertx web application stops after 2 minutes

Hi, Yes this fixed the problem. Thanks Sachin On Tue, Jul 8, 2025 at 11:59 PM Thomas SEGISMONT <

09/07/2025

E. Ulrich Kriegel, Thomas SEGISMONT3

08/07/2025

Package io.vertx.ext.unit.junit not found

Thanks for sharing. io.vertx.ext.unit.junit package is specific to the jUnit 4 integration. For

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Package io.vertx.ext.unit.junit not found

Thanks for sharing. io.vertx.ext.unit.junit package is specific to the jUnit 4 integration. For

08/07/2025

24/06/2025

Eclipse Vert.x 5.0.1 released

Hi, we have just released Vert.x 5.0.1. All details in the blog post: https://vertx.io/blog/eclipse-

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Eclipse Vert.x 5.0.1 released

Hi, we have just released Vert.x 5.0.1. All details in the blog post: https://vertx.io/blog/eclipse-

24/06/2025

ariffi...@gmail.com, hantsy bai5

14/06/2025

Vertx 5 with Spring

Thank you. -a On Fri, Jun 13, 2025 at 8:58 PM hantsy bai <han...@gmail.com> wrote: https://

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Vertx 5 with Spring

Thank you. -a On Fri, Jun 13, 2025 at 8:58 PM hantsy bai <han...@gmail.com> wrote: https://

14/06/2025

Himanshu Gupta, Thomas SEGISMONT2

10/06/2025

May be incorrect JPMS module-info entries

Hi, Good point, perhaps these should be "requires static", because we need the modules for

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May be incorrect JPMS module-info entries

Hi, Good point, perhaps these should be "requires static", because we need the modules for

10/06/2025

Himanshu Gupta, Thomas SEGISMONT2

10/06/2025

setMetricsName for vertx Webclient/HttpClient

Hi, Thanks for the heads-up. Indeed, the feature is missing in Micrometer. We could have the metrics

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setMetricsName for vertx Webclient/HttpClient

Hi, Thanks for the heads-up. Indeed, the feature is missing in Micrometer. We could have the metrics

10/06/2025

whitew...@gmail.com, Julien Viet2

22/05/2025

Any examples about EXTERNAL thread modeling?

That is a non public feature at the moment. You can look at this integration test that demonstrates

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Any examples about EXTERNAL thread modeling?

That is a non public feature at the moment. You can look at this integration test that demonstrates

22/05/2025

xinchao zhang, Paulo Lopes2

20/05/2025

Should OAuth2AuthHandlerImpl verify the "offline_access" scope?

Hi Xinchao, This is an interesting finding, please open a issue (and a PR if you're interested)

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Should OAuth2AuthHandlerImpl verify the "offline_access" scope?

Hi Xinchao, This is an interesting finding, please open a issue (and a PR if you're interested)

20/05/2025

Gordan Krešić, hantsy bai6

19/05/2025

Vert.x-like router library for servlet containers

When using Jetty/Tomcat, use Spring please, since 5.x Spring MVC provides functional programming.

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Vert.x-like router library for servlet containers

When using Jetty/Tomcat, use Spring please, since 5.x Spring MVC provides functional programming.

19/05/2025

Julien Viet, Gordan Krešić2

18/05/2025

Eclipse Vert.x 5.0.0 is released

On 15. 05. 2025. 08:20, Julien Viet wrote: > Hi folks, > > I am very proud and honoured to

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Eclipse Vert.x 5.0.0 is released

On 15. 05. 2025. 08:20, Julien Viet wrote: > Hi folks, > > I am very proud and honoured to

18/05/2025

Evaristo Camarero

05/05/2025

Adding warm-up concept to load balancer

Hi there, I have been inspecting the new vertx 5 load-balancer. In my view could be improved with a

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Adding warm-up concept to load balancer

Hi there, I have been inspecting the new vertx 5 load-balancer. In my view could be improved with a

05/05/2025

Oren Shvalb, Thomas SEGISMONT2

04/04/2025

Communicating with SockJS Eventbus in C#

Hi, We would appreciate some help with improving the C# client, would you be interested? We can guide

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Communicating with SockJS Eventbus in C#

Hi, We would appreciate some help with improving the C# client, would you be interested? We can guide

04/04/2025

timm...@hotmail.com, Thomas SEGISMONT3

03/04/2025

The service is back online Le jeu. 3 avr. 2025 à 19:23, Thomas SEGISMONT <tsegi...@gmail.com>

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The service is back online Le jeu. 3 avr. 2025 à 19:23, Thomas SEGISMONT <tsegi...@gmail.com>

03/04/2025

03/04/2025

Usage of JsonParser to remove set of specific key from top level jsonobject

I have a json string as buffer and I need to remove a set of keys from it. The json is pretty big and

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Usage of JsonParser to remove set of specific key from top level jsonobject

I have a json string as buffer and I need to remove a set of keys from it. The json is pretty big and

03/04/2025

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