Category "spring"

UML diagram (Class Diagram) of whole Spring project in STS

I have developed a REST API's Project and I want to draw a class diagram for every API individually. I have downloaded the eclipse plugin of PlantUML but this d

How to extract response header & status code from Spring 5 WebClient ClientResponse

I am new to Spring Reactive framework & trying to convert Springboot 1.5.x code into Springboot 2.0. I need to return response header after some filtering,

Could not find or load main class org.apache.maven.wrapper.MavenWrapperMain

I have a spring boot project here: https://github.com/jcasbin/jcasbin-springboot-plugin. I encountered the following error in Travis CI: shell 3.43s$ ./mvnw in

Error creating bean with name 'redisson' defined in class path resource in Spring boot

I am facing some issue while connecting Redis("Using Redisson") with spring boot. At aplication Start time show below error. "org.springframework.beans.factory

How can I connect a Python websocket client to my Spring endpoint?

I'm new to Python and I'm trying to connect to a service that I currently have up running in Spring. On the server-side I have a custom Handshake handler in pla

Spring MVC + thymeleaf: How to allow empty input?

How can I allow empty input to field with type long in Spring MVC + thymeleaf? I want this field to take default value. Currently I have the error: Field

How to solve Spring swagger Ambiguous mapping?

In my spring controller class i have below two methods @GetMapping(value = "/published_messages", produces = MediaType.APPLICATION_JSON_VALUE) public Respo

error using mvn spring-boot:build-image - received unexpected HTTP status: 500 Server Error"

I tried using 'mvn spring-boot:build-image' command and get that error.. ( I saw that maven have a new way to create an image with spring) Building image 'doc

MappingException (Hibernate)

"Could not get constructor for org.hibernate.persister.entity.SingleTableEntityPersister " I am not using any maven or such tools and manually add and reference

How to upgrade spring framework version in spring boot

I am using spring-boot 2.3.3.RELEASE with the according spring-boot-starter-parent in maven. <parent> <groupId>org.springframework.boot</group

Spring Data: can I create a method in the @Repository with a name what return list of object if String equals to constant?

Guess easier if I show you my example: @Entity class User { Long id; Status status; } enum Status { NEW("N"), DELETED("D") } I have an AttributeCon

Get JobParameters on RepositoryItemReader

I have a problem with the execution of the batch process that I am developing. It comprises several steps. The first one recovers data and inserts it into a ta

Custom parameter names with a bean for request parameters in Spring 5

I'm trying to use Spring 5 to have a custom bean for my request parameters. In theory this is easy, but I want to have the field names be different from the par

Getting "Not permitted" as a cause while creating a listener for TIBCO JMS Topic

While setting up a JMS listener for a TIBCO topic using Spring, I am getting the below error as our TIBCO won't allow any other subscribers. So, I am looking fo

pgp_sym_decrypt not working with JPA nativeQuery. Always throw error

Hi I'm working on a Spring Boot Project using PSQL. I have a model that is implemented pgcrypto like this, @ColumnTransformer( read = "pgp_sym_decrypt( ms

Caused by: java.lang.IllegalArgumentException: Value was not an array [java.util.ArrayList]

I am trying to save the List<byte[]> object in Postgres DB, but I am getting the below error. Caused by: java.lang.IllegalArgumentException: Value was not

How to add "allowDiskUse" in @Aggregation annotation in repository in Spring Boot?

I have an aggregation written in a MyRepository.kt file which is being called from MongoDataRetriever.kt file in the backend. MyRepository.kt file: import org.s

Invalid mime type in spring rest template?

I am just trying to make a simple REST request like below String url = "some url"; MultiValueMap<String, String> headers = new LinkedMultiValueMap<>

@ConfigurationProperties vs @PropertySource vs @Value

I am new to Spring/Spring Boot. I want to use the key-value pair data of application.properties / application.yml in Java file. I know that we can use @Value in

How to start single Spring Boot Microservice on Multiple Ports in STS/eclipse? [closed]

How to start single Spring Boot Microservice on Multiple Ports in STS/eclipse ? Means one app is running on 8080 port. So how we can run the