All Questions

I use Ubuntu and installed cURL on it. I want to test my Spring REST application with cURL. I wrote my POST code at the Java side. However, I want to test it with cURL. I am trying to post a JSON data....

Can @Component, @Repository, and @Service annotations be used interchangeably in Spring or do they provide any particular functionality besides acting as a notation device? In other words, if I have a ...

I want to make my RESTful API very predictable. What is the best practice for deciding when to make a segmentation of data using the URI rather than by using query parameters? It makes sense to me ...

When trying to convert a JPA object that has a bi-directional association into JSON, I keep getting org.codehaus.jackson.map.JsonMappingException: Infinite recursion (StackOverflowError) All I found ...

This is the exception: org.hibernate.LazyInitializationException: failed to lazily initialize a collection of role: mvc3.model.Topic.comments, no session or session was closed Here is the model: @...

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

I'm using Spring MVC for a simple JSON API, with a @ResponseBody based approach like the following. (I already have a service layer producing JSON directly.) @RequestMapping(value = "/matches/{...

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

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

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

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 the below link. https://github....

We are working on a Spring Boot web application, and the database we are using is MySQL; the setup we have is we first test it locally (means we need to install MySQL on our PC); then we push to ...

How can I configure and use two data sources? For example, here is what I have for the first data source: application.properties #first db spring.datasource.url = [url] spring.datasource.username = [...

There are concepts and implementations in Spring Security, such as the GrantedAuthority interface to get an authority to authorize/control an access. I would like that to permissible operations, ...

I read in some posts about Spring MVC and Portlets that field injection is not recommended. As I understand it, field injection is when you inject a Bean with @Autowired like this: @Component public ...