I'm working on a SpringMVC project. my jsonController.java: @RequestMapping("json1") @RestController //= @Controller+@ResponseBody public class jsonController { @RequestMapping("user") public User data(){ User user = new User(); user.setAge(22); user.setName("kt"); return user; } } my mvcConfig.java: @EnableWebMvc @Configuration @ComponentScan(basePackages = "com.atguigu.json") public class…
Flyway does not support Postgres 17, before it was 16 and the same error message occurred, I have changed the dependencies several times and it remains the same. Finally, I installed db 17 and the latest version of the flyway…
I am using the latest hibernate version (6.5) and hypersistence utils in this version is not supporting custom array types as it's natively supported by hibernate > 6.4. I've tested and this works natively for float[] arrays, so e.g. this…
I want to get the dates in a format of dd/MM/yyyy so,I wrote this code first: @GetMapping("/testAjax.json") public ResponseBody<?> AjaxResponse testAjax(){ AjaxResponse response = new AjaxResponse(); DateTimeTest test = new DateTimeTest(); test.setDateTime(LocalDateTime.now()); response.addResponse("date", LocalDateTime.now()); response.addResponse("test", test); return response; }` and…
I'm getting below error and couldn't figure it what causes the issue. 2024-10-19T11:26:28.546+05:30 WARN 9455 --- [rentsysapi] [nio-8080-exec-2] .m.m.a.ExceptionHandlerExceptionResolver : Resolved [org.springframework.data.mapping.PropertyReferenceException: No property 'asset' found for type 'AssetVehicle'] Asset Vehicle entity: @NoArgsConstructor @AllArgsConstructor @Getter @Setter @Entity @Table(name = "asset_vehicle",…
Note: The values that used in this question are only sample. E.g.: 3d355765-XXX-47cd-9c7a-bf31179f5XXX Hello everyone, I have a ReactJS application and a Spring backend application. However, Backend Application cannot verify token and it throws "The Token's Signature resulted invalid when…
I will make a Spring Boot project school management system. There are many types of users. These users can log in. Do I need to create a user entity and then extend other entities from the user class? What makes…
I need to select rows from the database that are unique by date. Ideally, there will be very few such strings, but if they come across, then you need to select only one value among them. DISTINCT assumes just a…
I've created a table CREATE TABLE test_table ( id VARCHAR(36) PRIMARY KEY, text_arr VARCHAR[][] NOT NULL ) and an entity @AllArgsConstructor @NoArgsConstructor @Getter @Entity @Table(name = "test_table") public class TestTable { @Id private String id; private String[][] text_arr; } also…
I would like to replace spring.datasource.password with a password from azure keyvault. I have a project based on spring boot: <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>3.3.1</version> I am using dependencies : <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>com.azure</groupId> <artifactId>azure-identity</artifactId> <version>1.13.0</version> <scope>compile</scope> </dependency> <dependency> <groupId>com.azure.spring</groupId>…