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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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Any way to Externalize microprofile-config.properties file in Helidon MP

I am new to Helidon MP and would like to know if there is a way to externalize Helidon MP Properties file.
Gaurav
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Using JAX-RS how to collect an array of data returned by an API service into a list of java objects?

What is the correct way to get List of objects from an API service using JAX-RS? Environment: Helidon (MP 1.4.4), Java 8. The external api service returns an Array of objects. Paper is a POJO. Client client =…
Suren Konathala
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Is there any way to change the location of ObjectStore and PutObjectStoreDirHere when enabling JTA on Helidon MP?

I'd like to know how to configure the location of ObjectStore for JTA. My target is Helidon MP. Currently directories named "ObjectStore" and "PutObjectStoreDirHere" are automatically created under the current directory. Also I'd like to make sure…
tkote
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Startup / Shutdown Hook for Helidon MP / Microprofile?

I am developing a Microservice application with Helidon MP. So far my experience is awesome. But I end up looking for a startup / shutdown hook with Helidon MP. I tried to find through search and Helidon Javadoc. But I am not able to find anything…
Thamizharasu
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Automatic add openapi file in helidon project

I want instrument for automatic generate openapi in my helidon project (Java 1.8, helidon SE 1.3.1) I read documenttation/example and make: add depends in maven add openapi.yml in META-INF add endpoint for router. add apifilter and…
Prostakov Alexey
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How to make jconsole connect to a helidon jvm?

I am trying to use jconsole to retrieve some quick performance attributes of a running helidon app (4.0.0-M1 Helidon-MP). However I am not able to connect to the jvm. However jconsole is able to connect to other jvms. I tried runing jconsole in…
Jens Mohrmann
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No available endpoints in a helidon-mp 4.0.0-M1 application

I am experimenting with 4.0.0-M1 and helidon-mp. I have a simple app, with a database connection. However I am using CDI and am wondering why no endpoints are exposed. All my endpoints on localhost:8080 yield a 404 (e.g. /health, /metrics,…
Jens Mohrmann
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@RequestScoped bean different on CDI.select in same HTTP Request flow

Having a bean defined as @RequestScoped bean which is injected via @Inject at different Levels. There are some singleton which aren't using Helidon/CDI scoped annotations. When using CDI.current.select.... returned Object is different than what gets…
Vishal
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Facing issue "Caused by: org.hibernate.type.SerializationException: could not deserialize" while upgrading from Helidon 2.5.4 to 3.2.0

We are trying to migrate from Helidon 2.5.4 to Helidon 3.2.0. We have observed that some of our tests are failing with below error, Caused by: org.hibernate.type.SerializationException: could not deserialize at…
user3226611
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Setting up a config map in HelidonMP

Team, i Have been trying to create config map for one helidon MP project. I have mounted application.yaml file into the config map but still it is not been considered in the pod. dockerfile: FROM…
Ramaiah .S
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Helidon Multipart - Unable to read multipart after converting Multi as Single>

I'm currently using Helidon SE 2.5.0,as ReadableMultiPart is marked for deprication... I'm trying to use below code to retrieve list of bodyparts from server request but its not working.... serverRequest.content().asStream(ReadableBodyPart.class) …
Vamsi Krishna DS
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Helidon MP 2.5, Hibernate Session createQuery() error: SQL command not properly ended

I am trying to connect to Oracle database in Helidon MP 2.5 and execute a basic findAll() query for finding all entities. I am using Hibernate as the JPA provider. I have a generic abstract CRUD repository that contains the findAll() method: 1.…
swing1234
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Can we use Helidon MP RestClient to make HTTP/2 requests?

We are exploring Helidon MP and would like to use it to support microservice communication using REST over HTTP/2. Would like to understand if Helidon MP supports its RestClient micro-profile to make HTTP/2 requests. We did not find any…
Tom
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Helidon MP: How to disable the ssl validation?

Currently, when my helidon application invoke a request to another server using https protocol, it will cause an exception about certification: sun.security.validator.ValidatorException: PKIX path building failed:…
Newbie
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Helidon AQ connector does not throw error on database connection reset

I am working on helidon SE service where AQ connector is being used. The service is registered as listener/subscriber to a multi-consumer queue. If database connection is reset due to db restart, AQ connector does not throw any error. The…
Sandhya Thummala
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