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Questions tagged [helidon]

Helidon is an open-source set of Java libraries for writing micro-services provided by Oracle.

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139 questions
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Helidon with JPA does not work using external config (application.yaml)

I have a problem with Helidon 2.0.1 When I try to use external file /etc/config/application.yaml using ConfigFile, JPA does not work. The port-config(serve.port: 8001) it works. The good news is When I use internal config file it works very well,…
JE Zamora
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Description of the helidon maven bundle flavors?

Can anyone please help me understand the difference between the following helidon bundles on https://mvnrepository.com/artifact/io.helidon.microprofile.bundles? Helidon Microprofile Full Bundle @…
Venkata Rahul S
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Helidon MP + DBClient with MongoDB pokemon example throwing Mapper exception

I'm doing a POC with Helidon MP + DBClient with MongoDB pokemon example but it is throwing Mapper exception. Only http://localhost:8080/db is working which displays the pokemons in the db. Any help is highly appreciated. Thank You Caused by:…
Mujibur Rahman
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How to use Bean Validation in a Helidon App?

I'm trying to create a simple Rest Resource using Helidon-MP but for some reason it doesn't work when I add the bean validation annotations on my method. @POST public Response generatePlan(@Valid @ValidPlan JsonObject payload) { // some logic…
Felipe Moraes
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How to use Jaeger with Helidon Microprofile

I have created a Helidon Microprofile quickstart project from helidon.io get started while configuring with Jaeger I am unable to find the Trace in Jaeger UI below are the steps which I have followed: Created project using mvn archetype:generate…
Shwetank Sharma
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How does one assign TLS certs to Helidon web server?

How does one assign TLS certs to Helidon web server? My guess is to add: https://helidon.io/docs/latest/#/security/04_tools and import certs into java keystore? Also the files would appear on ram disk and may change every 24 hours meaning the server…
Sartanus
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Log every request in Helidon

I want to log something on every incoming request and then I used the .any() method in the routing and placed the logger there. However, this ruined the 404 not found behaviour. Is there another way to do this sort of enter/exit methods properly?
ravenskater
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Helidon MP OpenAPI aren't generating a updated openapi endpoint response

I'm currently building a microservice-based on Helidon Microprofile following guides and tutorials from Oracle themselves, but I've run into a problem related to the 'Automatic OpenAPI specification generator' when using Annotations. My POM consists…
Brenno Fagundes
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UCP ONS server giving Server time out during helidon server startup

On Helidon-MP I am trying to enable UCP connections but we are seeing ons server timeout issues. pom.xml have "helidon-integrations-cdi-datasource-ucp" dependency io.helidon.integrations.cdi …
nagesha c
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Customise WebServer to programmatically generate KeyConfig for Helidon MP

I am trying to write a CDI extension which can customise WebServer object to programmatically generate KeyConfig. But the extension is not getting executed in the order I expect. I wrote a extension class like below public final class…
Pavan Vachhani
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Helidon MP 3.2.1: Predeployment of PersistenceUnit fails when DataSource class and persistence.xml are in an external library

I have a basic database JPA setup with the following structure in project A: └── src ├── main │   ├── java │   │   └── com │   │   └── my │   │   └── apps │   │   └── org │   │   …
swing1234
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How do I upgrade Helidon, Jersey, Spock etc. to Java 17?

Can someone point me to a project, preferably GitHub, where there is an example of our key technologies working under Java 17 so I can get a sense of harmonious dependency versions? org.spockframework.util.InternalSpockError: Failed to instantiate…
Eric Kolotyluk
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Helidon SSL/TLS Config/Setup

Currently I know that I have to use this https://helidon.io/docs/latest/apidocs/io.helidon.common.pki/io/helidon/common/pki/KeyConfig.html but not sure how to load that file or even how to attach the config to the actual server. Also, I'm loading…
Antonio Zandate
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Helidon MP with Oracle database

I am using JTA with Helidon MP Framework for pushing data to oracle 18c ATP database. When I use High service(works fine with LOW) connection to ATP database, I am facing an error: error: ORA-12838: cannot read/modify an object after modifying it in…
chaitanya sagar gurujula
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Helidon : Caused by: io.helidon.webclient.WebClientException: Request failed with code 302

I'm writing a helidon web-client, I'm getting Caused by: io.helidon.webclient.WebClientException: Request failed with code 302 import java.util.concurrent.ExecutionException; import io.helidon.media.jsonp.JsonpSupport; import…
Pratik Gaurav
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