I am using Springboot JPAs to generate a MySql8 table. It works fine unless I try to use the columndefinition in the Column annotation. @Column(columnDefinition = "boolean default false") private Boolean example; I tried replacing boolean with TINYINT but MySql8…
When I ran spring-boot-2.7, there is no issue. However when I changed code and tailored it to spring-boot-3.0, there is java.lang.ClassNotFoundException: javax.servlet.http.HttpServletRequest Could someone help me to download the source code and run on your computer? After run it, and…
I have a problem about deploying all spring boot microservices to Kubernetes. I use minikube to open kubernetes dashboard through all these commands shown below. 1 ) minikube start 2 ) minikube dashboard Next, I run kubectl apply -f k8s…
I have a spring-boot application running inside a docker container & its working fine. But the thing is application log file is empty inside the docker container. In logback-spring.xml log path has been configured to /var/log. When I go to…
I have a working setup of Spring boot application connecting to Postgres DB in docker. The same Spring boot application throws an exception when I move it to another docker container. The Postgres docker was unchanged. What might be wrong…
I have a repository class that includes functions with native PostgreSQL queries. Queries are all alike and have the same fashion with below one. @Repository public interface MyEntityRepository extends JpaRepository<MyEntity, Long>, JpaSpecificationExecutor<MyEntity> { ... @Query(value = "SELECT * FROM my_entity…
`HTTP Status 500 – Internal Server Error Type Exception Report Message Request processing failed: java.lang.NullPointerException: Cannot invoke "com.example.repository.StudentRepository.save(Object)" because "this.studentRepository" is null Description The server encountered an unexpected condition that prevented it from fulfilling the request. Exception jakarta.servlet.ServletException: Request processing…
I have a spring boot application that has been up running for months now. Everything was fine until I added this line in the UserRepository that extends MongoRepository: List<User> findAllByUserName(List<String> usernames); Now I get the following error: java.lang.IllegalStateException: Failed to…
I've roles like lead > collaborator > participant > viewer. If I use orderBy(role) then getting order as collaborator > lead > participant > viewer If I do DESC order then getting reverse. I tried specifying order in SQL and…
I want to test my orderService, each order has x cartItems, each cartItem is a product. I managed to do some code, and thought I got it right, but encountered a problem : java.lang.NullPointerException: Cannot invoke "com.proj.my.repository.OrderRepository.save(Object)" because "this.orderRepository" is…