I noticed this kinda of event some weeks ago, but I ignored, now it's making me curious. the last element that I add always end up in the up position of the screen, no matter how much I try to alter ...

Environment: OpenLiberty(25.0.0.12 -> https://openliberty.io/start/#gradle) with mpGraphQL-2.0 feature MicroProfile GraphQL API 2.0 Java 21 I'm trying to use batch resolvers in MicroProfile ...

I want to implement a Rest Service which will return response immediately and continue processing blocking tasks only after response is delivered. The objectives are Run blocking & long running ...

I have a Spring Boot application that calls an external API. The API requires an API key to be passed as a query parameter, for example: https://api.example.com/data?apikey=123 I want to avoid ...

I’m trying to catch a thrown exception in a Spring WebFlux controller. When i[0] reaches 3, it enters the handler method and executes the handler, but the returned value is not shown in the output, ...

In Spring Boot 3.5.6 I switched to the new recommended Prometheus Pushgateway solution management: prometheus: metrics: export: pushgateway: enabled: ${PROM_PUSH_ENABLED:...

I have created Java DSL JMETER test to create JMETER test programmatically to run it through CICD. While creating locally I do not know how to run the test through CLI. Should it be through Java or ...

Problem I'm using the OpenAPI Generator Maven Plugin (v7.3.0) to generate Java client code from a remote OpenAPI specification. The build fails with validation errors indicating that response $ref ...

I have two similar DTO classes and a MapStruct mapper. When mapping from one object with additional String parameters, nested fields aren't mapped automatically — they become null unless explicitly ...

Job for tomcat.service failed because the control process exited with error code. See "systemctl status tomcat.service" and "journalctl -xeu tomcat.service" for details. [root@ ...

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 -...

The JIT-compiled lines can have a reexecute flag. This is related to deoptimization and I guess JVM has to re-interpret this line if it gets deoptimized? But this is all foggy for me, I can't figure ...

I have this Android App where am trying to detect user activity changes with. The app has the permission from the user to detect user activity. I have an external and internal broadcast receivers, ...

I created a proyect from https://start.spring.io/ <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http:/...

Is it possible that under repeated heave computation Java out-perform C++ by an order of magnitude? My open-source project is such a benchmark: https://github.com/Chengpu0707/VarianceArithmetic: In ...