Category "spring-boot"

How to solve Chinese garbled when using javax.servlet.Filter

ContentCachingResponseWrapper wrapper = new ContentCachingResponseWrapper(response); wrapper.setContentType("application/json;charset=UTF-8"); wrapper.setCharac

Django Authorization Checking in URL having wild card pattern

I am trying to implement permission checking mechanism in URLs for a request using wildcard techniques, rather than implement permission checking on each views.

Uncaught Error: Objects are not valid as a React child (found: object with keys {message})

I have ReactJS application which receives data from SpringBoot API. I am successfully able to receive the data from SpringBoot as seen through console.log(). B

How to use a Spring WebClient to parse specific data from an external API?

I'm attempting to use the Spring WebFlux WebClient to retrieve data from the openweathermap API. I've done this using a RestTemplate no problem, but want to und

Parse Huge xml file in spring boot and load to oracle

I have a requirement to load huge xml file having 1 million records and load to the oracle table. Each record has starting and end tags as and there are many a

spring boot transactional integration for event management

We have recently put a REST Spring Boot MVC application into production. We are using JPA with Postgresql in order to achieve some nonfunctional requirements: w

spring boot transactional integration for event management

We have recently put a REST Spring Boot MVC application into production. We are using JPA with Postgresql in order to achieve some nonfunctional requirements: w

How to write test cases for Service layer using Junit 4 and mockito

My Repository layer is returning list object, But in my service layer i am filtering out all other and return a single Object. when i try to create test cases i

How i can duplicate a record with your dependents in spring boot

In my use case I need to create an endpoint that duplicates a record and its dependents by copying the data from the current record to a new record creating new

Is using @CrossOrigin the same as overriding addCorsMapping() in Spring?

In my controller I currently added the following annotation @CrossOrigin: @RestController @RequestMapping(value = "/dev/test") @CrossOrigin publ

Trust a Certificate Authority in Java

I'm trying to consume some webservices in my Spring boot Applications, I got this error in swagger when I try to execute my request, I tried to search for the u

Keycloak login based Authorization and authentication of application user

I am new to keycloak , whether the user creation should be happened in my application or at keycloak

How to call scheduler from Main Class

My application have two schedulers one runs every day at a particular time and another scheduler every day at and interval of 1 hour. I have added the cron exp

Strange behaviour of the exception handler on spring boot RestControllerAdvice handleExceptionInternal

Trying to save 2 times the same barcode card the method saveBarcodecard (left side image) throw the error: SQLIntegrityConstraintViolationException: "Duplicate

how to calculate size of S3 bucket if size is more than GB using java

I am not able to calculate S3 bucket size if it is more than 300GB. I have used below code to calculate no of objects and bucket size. it is working for bucket

Connect Heroku Add-on MySQL Database to DigitalOcean droplet for Spring Boot

Have anyone deployed Spring Boot app to DigitalOcean droplet? I have previously created app on Heroku.com, where I also ordered MySQL Database and deployed my W

Use Stream return type in Spring Boot controller lead to "java.sql.SQLException: Closed Resultset: next"

When streaming result from JpaRepository to Rest API, I have an exception "java.sql.SQLException: Closed Resultset: next" I am Using Spring boot, Spring Data JP

Does blob storage checkpoint require for service bus binder?

I have a springboot application configured to use service bus queue binder to connect to A Service Bus queue. Recently I have upgraded "azure-spring-cloud-strea

Duplicate tomcat logs

Have spring boot app with only one dependency spring-boot-starter web and want to see tomcat logs for that i added to logging.properties that handlers = 1catali

How to handle reactive types within Reactive Spring Integration?

I'm playing a little with Reactive Spring Integration and I try to perform the following basic operation: @Override protected IntegrationFlowDefinition&