spring Questions

Mongodb – optimize mongo query to get max date in a very short time

June 9, 2022
mr.Penguin
2 Answers

I'm using the query bellow to get max date (field named extractionDate) in a collection called KPI, and since I'm only interested in the field extractionDate: @Override public Mono<DBObject> getLastExtractionDate(MatchOperation matchOperation,ProjectionOperation projectionOperation) { return Mono.from(mongoTemplate.aggregate( newAggregation( matchOperation, projectionOperation, group().max(EXTRACTION_DATE).as("result"), project().andExclude("_id")…

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Docker-Compose: Change JDBC from localhost to mysql

June 7, 2022
harald
2 Answers

I am currently trying to find a unique solution for running my project locally and remotely on a CI-pipeline. On git I got everything working by setting the bean dataSource url of the applicationContext.xml as shown in the following snipped:…

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Spring Session with Redis – keys are not getting expired in Redis

May 30, 2022
JOY
2 Answers

I am new to spring-data-redis. I have integrated with a spring-boot application. As part of this, I have added a few configs as follows: spring.session.store-type=redis spring.session.redis.namespace=tc server.servlet.session.timeout=5h But even after having the expiry timeout as 5 hrs, I see all…

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Spring micro services eureka client is not registering with eureka server – Docker

May 29, 2022
Peng Shen
2 Answers

I'm very new to everything about docker, spring framework... They run on localhost environment successfully, now I want to push them into docker, but always gave me error there, i got stuck on it about a week. Can someone help…

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Redis – Spring application deployment failing

May 25, 2022
Piyush Mittal
2 Answers

I am trying to deploy a Kubernetes cluster of a spring application using argocd And I am getting errors in it. I am using an GitLab ci pipeline first to build its docker image and then using argocd for the…

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Azure – How to return the list of Roles that the user has?

May 24, 2022
One Developer
2 Answers

I followed the article, https://learn.microsoft.com/en-us/azure/developer/java/spring-framework/configure-spring-boot-starter-java-app-with-azure-active-directory and created an App role The below endpoint uses users role to authorize @CrossOrigin(origins = "http://localhost:8080") @RestController @RequestMapping("/api") public class TutorialController { @Autowired TutorialRepository tutorialRepository; @PreAuthorize("hasAnyAuthority('APPROLE_Admin', 'APPROLE_Contributor')") @GetMapping("/tutorials") public ResponseEntity<List<Tutorial>> getAllTutorials(@RequestParam(required = false) String title)…

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Maven dependecy:go-offline doesn't download transitive dependencies – Docker

May 24, 2022
wellini
2 Answers

I want to add a separate dependency layer to my dockerfile. I'm running mvn dependencies:go-offline but after that mvn install -o reports that not all deps are found. After inspecting the error message it turned out that no transitive dependencies…

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Mongodb – Aggregation Annotation Not Working It is Returning Empty

May 17, 2022
ricxk
2 Answers

I am trying to make this Aggregation bellow using Spring Java, but it's returning an Empty List on my console. This is working on MongoDB, but not on my spring application. This is my MongoDB Query: db.collection.aggregate([ { $match: {…

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Mongodb – Stateless api with real time chat

May 17, 2022
Oscar Vinther
2 Answers

So I have a REST api. I want to keep it stateless, but at the sametime I need to make a real time chat. The only way I can imagine a real time chat, is with websockets. The problem accurs…

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Spring Microservices Cannot Connect Via Eureka When Inside Docker Container

May 16, 2022
saman
2 Answers

So I have been trying to fix this problem, and 4 days later I still haven't been able to find a solution. I have built an API Gateway using Spring Boot which acts as a Eureka Server via Zuul, and…

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