Avoiding null variables while serializing with Jackson
I perform some CRUD operation by consuming REST APIs. Some of the entities I want to create do not have […]
Spring REST
Spring REST
Spring REST
Jackson JSON Capitalization: Unrecognized field
Hi, I need to covert the following snippet of JSON response to its relevant object. The key is ComponentType not […]
Docker, Spring REST
How to expose multiple ports of Container to Docker?
I used EXPOSE 8080 to expose 8080 port to the docker host in my earliest post. I need to expose […]
Docker, Spring Boot, Spring REST
Creating docker image for SpringBoot REST gateway
This post documents the steps I performed to containerize my REST application built with Spring Boot. This uses the following […]
Spring Boot, Spring REST
Spring Email using Office 365
I’m using javamail package in raw format so far. I prefer to split all the communications (email, social media…) and […]
Layout, Spring Boot, Spring REST, Thymeleaf
Iterating a list in Thymeleaf
I started Apache tiles in 2010. It is convenient for the tasks I am doing. Thymeleaf picked up in parallel. […]
Spring Boot CommandLineRunner, Spring REST
Could not write JSON: (was java.lang.NullPointerException)
It was a dirty exception I faced few weeks back. I was trying to to consume a REST API call […]
Errors, hibernate, Spring Boot, Spring Boot CommandLineRunner, Spring REST
detached entity passed to persist
I am in mid of a crud operation. This exception hit me today, when I updated an entity with @ManyToOne(cascade […]
Spring Boot, Spring REST
ClassCastException: RestTemplate returning List instead of List
Problem: I have a POJO entity, say org.grassfield.Employee. I expose this as a REST services. I consume this REST service, […]