212,468 questions
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votes
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4
views
Springboot refuses to utilise the custom RedisCacheManager
So I have a bit of an issue with regards to Redis. It seems that SpringBoot refuses to utilise the custom RedisCacheManager bean that I've created despite using the approppriate annotations ("@...
-3
votes
0
answers
14
views
Java reference types vs primitive types explanation [closed]
Java reference types vs primitive types explanation
Java reference types vs primitive types explanation What is the purpose of the Node class in a Linked List, and why do we write Node head and Node ...
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6
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Configure Spring @HttpExchange interface to use based on a property
Include details about the goal
I would like to be able to configure via application.properties the Spring @HttpExchange interface to use
There are two external services that expose a REST endpoint. I ...
- 5,098
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18
views
Channel closing when application is restarting
When my application gets an unexpected type of exception I use
channel.basicNack(tag, false, true);
SpringApplication.exit(context);
to stop the app and put the message in its original queue.
After ...
- 11
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18
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Precise control of time when testing the Spring test code
I'm trying to write a test code to find out about TDD.
I'm trying to avoid using Thread and find out how to calculate the exact time to comply with the fast processing among the FIRST principles.
Test ...
- 659
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29
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Spring Boot Application Fails with "Missing preceding open capture character" in Path Pattern Despite Correct Mappings
I'm encountering a Spring Boot startup failure during Maven build tests in my recommendation microservice. The error indicates an invalid mapping pattern /recommendation}, but I've verified all my ...
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15
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Accessing the spring security Principal from a secured MCP Tool when using the sse transport
I secured an MCP Server using the instructions in the blog post https://spring.io/blog/2025/04/02/mcp-server-oauth2
I can connect to the server using the MCP inspector, and the bearer token is ...
- 71
1
vote
1
answer
55
views
Controller and beans are using different contexts
Im learning Spring and Spring Boot and made a simple education project. This is just simple Spring Boot project without any specified configurations.
Pom.xml:
<?xml version="1.0" encoding=...
- 11
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votes
1
answer
42
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UnsatisfiedDependencyException for OAuth2AuthorizedClientManagerRegistrar in Spring Security 6.2.8
I encountered an UnsatisfiedDependencyException while migrating from Spring Security 6.1.9 to 6.2.8. The exception occurs during the initialization of the OAuth2ClientConfiguration class, specifically ...
- 252
0
votes
2
answers
69
views
Binding url params to POJO in Spring
How to bind @RequestParam to object in Spring (GET mapping).
I have the following method in my controller class:
@GetMapping("/quotes")
void getQuotes(QuoteRequest request) { }
...
- 678
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votes
1
answer
20
views
Spring boot - Validation on RequestPart
I have an issue when I'm trying to validate a @RequestPart parameter in my Spring Boot application.
DTO:
@Data @NoArgsConstructor @AllArgsConstructor @Builder
public class CreateProductRequestDto {
@...
-2
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0
answers
33
views
Can't understand how microservices are running as dependency [closed]
There is a project at my company, where they previously had a microservice architecture using springboot, let's say service A and service B, now they've created another application service-combined, ...
- 29
0
votes
1
answer
39
views
Error when trying to use test Jpa configuration in integration testing
What I am trying to achieve:
Run an integration test for a Spring Controller in a test container, use a TestJpaConfig instead of JpaConfig:
@SpringBootTest(webEnvironment = SpringBootTest....
- 3,592
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votes
0
answers
32
views
I'm trying to create docker-compose file, but I keep running into errors that are listed in the logs
This is my Dockerfile:
FROM openjdk:24
ARG APP_JAR=*.jar
COPY ${APP_JAR} app.jar
ENTRYPOINT ["java", "-jar", "app.jar"]
EXPOSE 8080
This is docker-compose:
version: '3.1'...
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0
answers
26
views
Ehcache Not Working with Hibernate Second-Level Cache
I'm working on a maven application using Hibernate and Ehcache for second-level caching. Despite configuring Ehcache, the cache doesn't seem to be working as expected. Every time I query the database, ...
