150,306 questions
Score of -6
0 answers
109 views
How to fetch a particular pattern from a string in Java [closed]
default message [must be a well-formed email address]] ]
I want to fetch the data between those two [...] brackets and the string would be
must be a well-formed email address
- reputation score 1
Score of 0
0 answers
75 views
How to use Hibernate StatelessSession with open-in-view
We would like to use Hibernate StatelessSession injected into our Spring Data JPA repositories. Our understanding is this requires HibernateTransactionManager and SharedSessionCreator....
- reputation score 4634
Score of 0
1 answer
110 views
Is there a reliable way to detect if a click had a real effect when app listeners may be attached later?
I'm building a Selenium based runner where non-technical users compose their own tests. Since the tests may target different web applications, I can't really rely on app specific assertions after a ...
- reputation score 62
Score of -5
0 answers
133 views
How can I prevent concurrent execution of a loan recovery job in a Java/Quarkus application? [closed]
What is the recommended concurrency-control pattern for a financial loan recovery job running across multiple application instances and manual/scheduled triggers? I’m considering SELECT ... FOR UPDATE ...
- reputation score 1
Score of 0
1 answer
49 views
How to discard a message from inside a MessageConverter
It would be nice to be able to discard a message (ack it) without processing from inside the MessageConverter, but I have not been able to find a clean way to do it.
My current solution is to return ...
- reputation score 624
Score of 0
2 answers
82 views
Handling image data over WebSocket in Spring Boot
I am building a shooting game. The phone is connected to the server through WebSocket. On the client side, when the player hits "shoot", the phone will capture a picture and get the current ...
- reputation score 31
Score of 1
1 answer
61 views
can't find org.springframework.kafka.core.reactive.ReactiveKafkaConsumerTemplate
I'm building a springboot kafka app. While building a kafka consumer, I can't import org.springframework.kafka.core.reactive.ReactiveKafkaConsumerTemplate because this class can't be found.
I have ...
- reputation score 19
Score of 1
1 answer
76 views
Where can I find all the dependencies specified by Spring Boot's bill of materials?
Spring Boot provides a Maven bill of materials (BOM), that specifies the recommended versions of various Spring Boot dependencies. Some of these dependencies are Spring Boot starters such as org....
- reputation score 187905
Score of 0
4 answers
194 views
JUnit Test cases failing after upgrading to Gradle 9, Springboot 4 and Java 25
After upgrading all the junit test cases which have dependency on spring-web are failing. Dependency analyzer shows that this artifact is not in the TestRuntimeClasspath scope and I am suspecting that ...
- reputation score 49
Score of 0
1 answer
102 views
Duplicate call of FilterChainProxy with SpringSecurity, MVC and StringResponseBody
I encounter a strange behaviour in my Spring-Boot project (v4.0.6):
When I execute a Controller which returns ResponseEntity<StraingResponseBody> for writing NDJSON-Lines the FilterChainProxy of ...
- reputation score 58
Score of 0
1 answer
236 views
How to configure RestClient timeout in Spring Boot 4?
Our existing Java Spring Boot 4 app injects a basic RestClient bean into several classes. The app does not make any other use of HTTP clients. Now I would like to configure the RestClient with some ...
- reputation score 14854
Score of 1
1 answer
123 views
How does Spring Boot SecurityContextHolder works
I am quite struggling to understand how does even Spring
SecurityContextHolder
work internally I read too many articles but not able to understand it properly can anybody explain me how does it even ...
- reputation score 3
Score of 0
0 answers
68 views
SpringBoot init fails with jasypt password configured as env variable
Don't know why, bug pumped out all of a sudden.
Spingboot couldn't boot with code like below.
@Component("jasyptStringEncryptor")
class Sm4Encryptor(@param:Value($$"${jasypt.encryptor....
- reputation score 11
Score of 3
2 answers
131 views
Does @Order on a @Configuration class determine SecurityFilterChain precedence in Spring Security?
I'm trying to understand how Spring Security determines the order of multiple SecurityFilterChain beans.
The official documentation demonstrates applying @Order directly to the SecurityFilterChain ...
- reputation score 31
Score of 0
1 answer
108 views
Update join query in Spring Boot
I receive sensors' values, I store the stats, last received and dump a new received list in a dedicated table, before comparing and updating.
Structure is, omitting superfluous:
SensorStats
@Id long ...
- reputation score 164