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I have a fairly complex API service running under Vert.x in the JVM - it started pretty simple but grew massively over the 10 years it has been in production. So much so that we're in dependency hell -...
Guss's user avatar
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Best practices
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I am using the Couchbase Java SDK and need to update a field in a large number of documents (100k–200k). The update depends on three fields, and I must update a fourth field inside a transactional ...
1 vote
1 answer
57 views

With Vertx futures, we have CompositeFuture fRes1 = Future.all(f1, f2, f3); CompositeFuture fRes2 = Future.join(f1, f2, f3); Future.join will wait for all three underlying futures to fail to then ...
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0 answers
32 views

I want to use suspend function in a handler for KafkaConsumer. This is what I have so far, but I'm not sure about exception handling. CoroutineEventBusSupport would call fail() on the message and ...
1 vote
1 answer
102 views

I'm encountering unexpected blocking behavior in a Quarkus application using RESTEasy Reactive and virtual threads - Just threw those in to see if they'd help but they did not. I have a resource with ...
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I recently wanted to look at upgrading to Vert.x 5. I use client side websockets extensively in one of the applications and when upgrade from 4.5.21 to 5.0.4 I have been absolutely unable to get the ...
Michael's user avatar
  • 113
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0 answers
37 views

I try to make my first project with Micronaut and can't figure out how to confihure the datasource: jpa.default.properties.hibernate.hbm2ddl.auto=create-drop jpa.default.properties.hibernate.show_sql=...
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0 answers
65 views

I'm trying to integrate restate.dev into a quarkus application and I'm trying to set it up to use the same port as quarkus itself for incoming http traffic. Unfortunately I'm a noob when it comes to ...
0 votes
1 answer
110 views

I have a reverse proxy built on quarkus that forwards all http calls to another api. The GET requests work but, the PUTs/POSTs fail with exception: java.lang.IllegalStateException: Request has ...
Laazo's user avatar
  • 469
0 votes
1 answer
87 views

I have a vertx server which sends on events to all streamers an information. Using a console all working as wished. But if I use a vertx webclient the client is connected but did not receive anything. ...
2 votes
1 answer
48 views

I try to migrate from vertx 4.x to 5.0.2. In my project originally was creating a RouterFactory to create a Router using OpenAPI3RouterFactory.rxCreate using a spec.yaml file of OpenAPI v3.0.0. Now, I ...
1 vote
3 answers
347 views

There is a typical task: consume data from Kafka (or REST/gRPC), process it, and persist it in the DB. The database has always been our weak point. We usually have hundreds or thousands of messages to ...
0 votes
1 answer
97 views

@GET @Path("/p1") public Uni<Response> p1() { Log.info("Entry (event loop)"); return Uni.createFrom() .item("input") .onItem()....
1 vote
1 answer
184 views

I developped a small application to reproduce and try to fix a big performance issue on a big project. On my project, I need to do a fire-and-forget webservice that will consume a String, parse it, ...
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0 answers
76 views

I have these 2 verticles in my java application in vert.x that are supposed to be running in multiple batches. public class TestVerticle4 extends AbstractVerticle{ private static final Logger ...

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