spring-mvc Archives - Page 3 of 5

Using env variable in Spring Boot’s application.properties

We are working on a Spring Boot web application, and the database we are using is MySQL; the setup we have is we ...

May 15, 2022
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When do I use path params vs. query params in a RESTful API?

I want to make my RESTful API very predictable. What is the best practice for deciding when to make a segmentation of data ...

May 14, 2022
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How to upload a file and JSON data in Postman?

I am using Spring MVC and this is my method: /** * Upload single file using Spring Controller. */ @RequestMapping(value = "/uploadFile", method ...

May 12, 2022
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Spring MVC @PathVariable with dot (.) is getting truncated

This is continuation of question Spring MVC @PathVariable getting truncated Spring forum states that it has fixed(3.2 version) as part of ContentNegotiationManager. see ...

May 9, 2022
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@RequestParam vs @PathVariable

What is the difference between @RequestParam and @PathVariable while handling special characters? + was accepted by @RequestParam as space. In the case of ...

May 8, 2022
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Difference between spring @Controller and @RestController annotation

Difference between spring @Controller and @RestController annotation. Can @Controller annotation be used for both Web MVC and REST applications? If yes, how can ...

May 8, 2022
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What is @ModelAttribute in Spring MVC?

What is the purpose and usage of @ModelAttribute in Spring MVC? 13 Answers 13

May 7, 2022
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How to solve the “failed to lazily initialize a collection of role” Hibernate exception

I have this problem: org.hibernate.LazyInitializationException: failed to lazily initialize a collection of role: mvc3.model.Topic.comments, no session or session was closed Here is the ...

May 6, 2022
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How to respond with HTTP 400 error in a Spring MVC @ResponseBody method returning String?

I’m using Spring MVC for a simple JSON API, with @ResponseBody based approach like the following. (I already have a service layer producing ...

May 6, 2022
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How does autowiring work in Spring?

I’m a little confused as to how the inversion of control (IoC) works in Spring. Say I have a service class called UserServiceImpl ...

May 1, 2022
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