spring-mvc

问题 I am working on a Spring-MVC application in which I am trying to stream mp3 data. Unfortunately, it's directly triggering a download whenever a byte-array of information is sent in response. I found a few other links, but most of them are tied to an user-interface, so not much useful. What are the requirements for streaming a mp3 file? Here is the download code I have. @RequestMapping(value = "/getsong/{token}") public ResponseEntity<byte[]> getsong(@PathVariable("token") String token,

问题 I am using Spring MVC 3.2 and deploying in Apache Tomcat 1.7x. My login url is /web/login but using url /web/login.abc where abc can be any text including space. In both cases it is returning the same resource which I will like to avoid and return HTTP code 404. Tried adding the below in web.xml but it did not help `<beans:bean class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping"> <beans:property name="useDefaultSuffixPattern" value="false" /> </beans:bean>`

问题 In the code below, when the endpoint getPerson gets hit, the response will be a JSON of type Person. How does Spring convert CompletableFuture<Person> to Person ? @RestController public class PersonController { @Autowired private PersonService personService; @GetMapping("/persons/{personId}" ) public CompletableFuture<Person> getPerson(@PathVariable("personId") Integer personId) { return CompletableFuture.supplyAsync(() -> personService.getPerson(personId)); } } 回答1: When the

问题 I am trying to publish a custom event in Spring MVC, but is is not firing while context is loading, below are the code snippet, The onConnectionOpened will be called after connecting to a server which is triggered after bean initialization using @PostConstruct @Autowired private ApplicationEventPublisher publisher; public void onConnectionOpened(EventObject event) { publisher.publishEvent(new StateEvent("ConnectionOpened", event)); } I am using annotation in listener part as below

问题 I am trying to publish a custom event in Spring MVC, but is is not firing while context is loading, below are the code snippet, The onConnectionOpened will be called after connecting to a server which is triggered after bean initialization using @PostConstruct @Autowired private ApplicationEventPublisher publisher; public void onConnectionOpened(EventObject event) { publisher.publishEvent(new StateEvent("ConnectionOpened", event)); } I am using annotation in listener part as below

问题 I've generated a Spring Boot web application using Spring Initializer, embedded Tomcat, Thymeleaf template engine, and package as an executable JAR file. Technologies used: Spring Boot 2.0.0.M6 , Java 8, maven Here my security config @Override protected void configure(HttpSecurity http) throws Exception { final List<String> activeProfiles = Arrays.asList(env.getActiveProfiles()); if (activeProfiles.contains("dev")) { http.csrf().disable(); http.headers().frameOptions().disable(); } http

问题 I am currently moving from an xml-based configuration of spring security to a java based one. I need to setup a custom WebAuthenticationDetails via Java. Is there a way to do that? In XML, I would just set that authenticationDetailsSource of the UsernamePasswordAuthenticationFilter. Relevant sample below <http entry-point-ref="loginUrlAuthenticationEntryPoint"> <custom-filter ref="rememberMeFilter" position="REMEMBER_ME_FILTER"/> <custom-filter ref="loginFilter" position="FORM_LOGIN_FILTER"/>

问题 I am currently moving from an xml-based configuration of spring security to a java based one. I need to setup a custom WebAuthenticationDetails via Java. Is there a way to do that? In XML, I would just set that authenticationDetailsSource of the UsernamePasswordAuthenticationFilter. Relevant sample below <http entry-point-ref="loginUrlAuthenticationEntryPoint"> <custom-filter ref="rememberMeFilter" position="REMEMBER_ME_FILTER"/> <custom-filter ref="loginFilter" position="FORM_LOGIN_FILTER"/>

问题 I have define my object @Component @Scope(value = "session", proxyMode = ScopedProxyMode.TARGET_CLASS) public class MySession { private String message; // getter setter } When I try to access from thymeleaf it failed. <p th:text="${mySession.message}"></p> SOLUTION Accessing through spring beans http://www.thymeleaf.org/doc/articles/springmvcaccessdata.html <p th:text="${@mySession.getMessage()}"></p> 回答1: session.setAttribute("mySessionAttribute", "someValue"); You can access direct session

问题 I have a Spring reactive sample application that was modified from one of the examples that was provided in the the Spring Webflux documentation. The master branch of this application uses Spring Boot in the traditional manner, with an embedded application server (Netty). It is working fine. In the Liberty branch, I am trying to build the application as a WAR and deploy to Websphere Liberty Profile. Aside from changes to the build process, the most significant code change is having my