spring-mvc

问题 I have a controller like the following, @RequestMapping(value = "rest/v1/tester") public class TestController { @RequestMapping(value = "/search", method = RequestMethod.GET) public ResponseEntity<SampleResults> search(@ModelAttribute("criteria")SampleCriteria criteria) throws Exception { SampleResults sampleResults = sampleService.search(criteria); return new ResponseEntity<>(sampleResults, OK); } } I have another controller like so, @RequestMapping(value = "rest/v1/second") public class

问题 I Introduce the problem: when I launch the application and I enter the url "/home". The home page is displayed but not correctly (the template is not well organized) and I receive an exception TemplateInputException . After a while, If I refresh the home page and the other pages It comes back to normal but if I go to "/login", and I logout which redirects me to the home view the same issue comes back again. The Stacktrace Console: org.thymeleaf.exceptions.TemplateInputException: An error

问题 I have 5 Spring Boot web applications but have only one Server (low-end). What is the best way to deploy all 5 in one Server? Having only one web container (Tomcat) and deploy all of them as separate war files on the same Tomcat or run all 5 on different Tomcat containers (Spring Boot default behavior)? What is your recommendation by considering performance and maintenanability? 回答1: IMHO, if you're running a resource-constrained server, your best bet is to deploy all of your applications as

问题 I have 5 Spring Boot web applications but have only one Server (low-end). What is the best way to deploy all 5 in one Server? Having only one web container (Tomcat) and deploy all of them as separate war files on the same Tomcat or run all 5 on different Tomcat containers (Spring Boot default behavior)? What is your recommendation by considering performance and maintenanability? 回答1: IMHO, if you're running a resource-constrained server, your best bet is to deploy all of your applications as

问题 Is it good practice to have one class being both entity (mapped and stored in the database) and payload (object serialized and returned form REST endpoint) at the same time? I heard somewhere that entities should never go higher than service layer but rather should be mapped to DTO objects in services and then these DTO should be returned to controllers. I personally think this is bad practice because in such class we mix annotations for serializing to JSON and for mapping object to the

问题 Is it good practice to have one class being both entity (mapped and stored in the database) and payload (object serialized and returned form REST endpoint) at the same time? I heard somewhere that entities should never go higher than service layer but rather should be mapped to DTO objects in services and then these DTO should be returned to controllers. I personally think this is bad practice because in such class we mix annotations for serializing to JSON and for mapping object to the

问题 I want to read multiples properties files from a specific location, say C:\config . I'm taking help of @PropertySource annotation. Is there a way to read these files in Springboot using some wildcard character e.g (*.properties). So what I intended to achieve is something like this @PropertySource("*.properties") }) public class SomeClass{ } If not, Is there a way to create these @PropertySource("foo.properties") or @PropertySource("bar.properties") programmatically and provide them to

问题 Good day, I am using spring security to restrict user, and i am using mongodb. I have created UserDetail and userDetail Services. her is my webSecurity config. @Configuration @EnableWebSecurity public class WebSecurityConfig extends WebSecurityConfigurerAdapter { @Bean public UserDetailsService mongoUserDetails() { return new CustomUserDetailsService(); } @Bean public DaoAuthenticationProvider authProvider() { DaoAuthenticationProvider authProvider = new DaoAuthenticationProvider();

问题 I am getting this run-time error: java.lang.NoSuchMethodError: org.springframework.core.annotation.AnnotationUtils.clearCache()V And part of stack trace: Caused By: java.lang.NoSuchMethodError: org.springframework.core.annotation.AnnotationUtils.clearCache()V at org.springframework.context.support.AbstractApplicationContext.resetCommonCaches(AbstractApplicationContext.j ava:915) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:575) at

问题 My requirement is, I need to initialize some application resources when server is started in spring boot. In order to initialize those resources, I need bunch of properties. So, I have kept those properties in external property file and I am trying to read the properties in my custom listener when spring boot is started. The problem is, I could not get any property values in the listener. I am able to read them after application started without any issues. But, I need them inside listener