So i have a big error when trying to do an update method in my spring application ,the problem is regarding to the Caracter class as thats the one the seems to generate it. When i set my stuff in main and try to update an Anime object in the database the Caracter class gives me the errors presented below
Tag: spring-boot
Connecting multiple databases
I would like to connect my application with 2 different databases. This is what I have tried: And so in application.properties I have added: But Intellij tells me: Cannot resolve configuration property ‘spring.wald.datasource.url’ What am I doing wrong? Answer Instead of returning DataSource, you …
Google Cloud Debugger can’t find Spring Boot web app deployed as Cloud Run service
I followed the guide (https://cloud.google.com/debugger/docs/setup/java#cloud-run) to setup the cloud debugger for my cloud run services. Everything looks like it should work. However the debugger UI tells me it can not find any application. However I did everything that was suugested in the documentation Sou…
Input validation doesn’t work in Spring + Thymeleaf
I am new to spring and I explore it using “Spring in action 5” book. I do similar actions with my website, I have written 2 controllers and 2 html files for pages. The first page is a form for pizza creation. the second is order submission. My code for controllers is practically the same as in the…
Spring Boot URL mapping not working when files are present in multiple packages
I tried making a simple REST API using Spring Boot. I have put the classes in separate packages. In this case, the URL mapping is not working (checked using Postman), whereas its working fine if I put them all in the same package as that of the main class. “”” Hierarchy of the packages : com…
Spring Boot 2 datasource by configuration does not work
I have an application.yml(!) for the configuration containing the following: Which gives me the errormessage: Doing it this way works: Ideas? 🙂 Answer Rename driverClassName to driver-class-name since Kebab case is preferred over Camel case in Spring Boot Auto Configuration properties. If that doesn’t h…
How to create immutable and singleton class in Spring boot?
I have a person model class that needs to be immutable and singleton. I need to autowire from my service class but getting an error. So is there any way to create a singleton immutable class in spring boot? where i can set values in person (via autowire) and use the same in the entire application. I have just…
Looking for a template engine which supports JsonPath (Java)
I’m developing a microservice (let’s call it email microservice) which generates emails from HTML templates. Basically, the client sends a json with some data to the email microservice, and based on that data it has to generate an email (populate fields in html template with values coming in the j…
Use value of a local variable as global in thymeleaf
I have a variable that is obtain inside each block in thymeleaf. I want to send that variable to a certain method in my controller. The limitation is that the variable is obtain inside a block which makes it local, not accessible global.Hence I get an error while trying to use it. How can I move inside the sc…
Implement Search specification for pagination
I implemented this Page request: The question is how to implement search functionality for this Page request? I would like to send params like type and dateAdded into GET params and return filtered result? Answer There are two ways to achieve this: Examples. Simple but can only be used for simple searches To …