I have a class with same name in the imported jar file. The same class with the same properties also there in the jar file. I have given bean definition in my configuration file for the jar bean. But when the application started it is using the properties of my bean class instead of the properties defined for…
Tag: spring-boot
Internalization in Spring Boot Application
Sorry for my english. I am working on a spring boot application and I have the following situation. I implemented internalization and I created a following configuration class Also I have two properties files messages.properties and messages_us.properties. And I defined a User entity class like this: When I t…
Escape colon (‘:’) in custom h2 Query
So I am trying to write a custom query for h2 using its JSON_OBJECT function. JSON_OBJECT uses a format of JSON_OBJECT(key:value) so as a simple example in my Spring repository I am writing a query like @Query(value = “SELECT JSON_OBJECT(‘id’:1)”, nativeQuery = true) When executing tha…
Refactoring code that contains multiple if conditions
Here is some code I’ve written to save a UrlEntity : The above code exists in a service class and looks unnecessarily complex. I’m attempting to refactor so that the intent is clear. This is a basic refactoring I’ve written: This refactoring does not improve the code substantially. Is there …
Spring Boot – throw exception or indicate item is not found
I’ve written two methods, findById searches for an item in the DB and throws an exception if the item is not found : The second method, findByShortUrl searches for an item in the DB and uses the JPA method findByShortUrlIs which returns a List of size 1 if the item is found, there should never be more t…
Life span and injection of @SessionAttributes object in Spring MVC
I’m unclear on some subtleties of using @SessionAttributes in Spring MVC via Spring Boot 2.3.3.RELEASE. I have two controllers, Step1Controller and Step2Controller. Both controllers use @SessionAttributes(“foobar”) at the class level. Step1Controller during its request handling for @PostMapp…
springfox ApiModelProperty position sorting not working
In my spring boot application, I cannot be able to manage my swagger JSON with fields ordered properly on @ApiModel annotated class. Firstly, I imported springfox lib into my pom.xml: Secondly, I created SwaggerConfig.java: Thirdly, I created my PersonDTO annotated by @ApiModel: Then, when I requesting for Js…
Invalid use of argument matchers! 2 matchers expected, 1 recorded
I am writing a test to validate creations of trolleys. So,it is just a service method which basically creates number of trolleys in the database. I am mocking the repository using mockito. So, What i am doing is I am mocking and save and getAll functionality of Repository. Here is what my code looks like:- So…
Creating multiple beans of same type based on external config
I’m very, very new to Spring and have a bit of a complex thing to implement. I have an external configuration file that specifies how many of SomeDevice I will have, as well as what port each of SomeDevice will be listening on. An instance of SomeClass will be in charge of each SomeDevice. So I’ll…
Firebase Auth not getting initialized in spring boot
I am using firebase admin sdk in my spring boot app. (API app) When I run locally in intelliJ its working fine. But when deployed in tomcat its giving me NPE. In Springboot application In API code ERROR: Can someone help in fixing this issue. Thank you in advance. Answer You shouldn’t create an instance…