spring-mvc

问题 I have class Response public class Response<T extends ResponseData> { private final T data; //other fields, getters, setters ... } and the empty interface ResponseData: public interface ResponseData { } It takes any object as data but this object must implement the "empty" interface which I created just to force all classes returned inside "data" element be of same super type Now the problem is that I need to return a List inside the data element, but: I don't find it clean to create a

问题 I have had a problem involving jar clash between incompatible versions of BouncyCastle. We have solved it by creating a bean that, using a Spring-defined ClassLoader bean injected as property, invokes services from classes not stored in official WEB-INF/lib folder. Following are the beans definitions <bean id="metainfJarClassloader" class="com.jdotsoft.jarloader.JarClassLoaderFactory" factory-method="create"/> <bean id="jadesFactory" class="it.csttech.proxy.jades.JadesFactory"> <constructor

问题 I have had a problem involving jar clash between incompatible versions of BouncyCastle. We have solved it by creating a bean that, using a Spring-defined ClassLoader bean injected as property, invokes services from classes not stored in official WEB-INF/lib folder. Following are the beans definitions <bean id="metainfJarClassloader" class="com.jdotsoft.jarloader.JarClassLoaderFactory" factory-method="create"/> <bean id="jadesFactory" class="it.csttech.proxy.jades.JadesFactory"> <constructor

问题 From a servlet , I am forwarding the request to a spring controller like below RequestDispatcher rd = request.getRequestDispatcher("/myController/test?reqParam=value"); rd.forward(request, response); In order to pass a parameter to the spring controller , I am passing it as request parameter in the forward URL. Is there a better way of doing this ? Instead of passing in request parameter , can I pass as a method parameter to the spring controller during forward ? 回答1: This will be called when

问题 Hi I need help regarding sending email periodically in Spring mvc,can anyone suggest which is the best way and how i can achieve this, 回答1: If it has to be from inside the application, you could add a Spring @Scheduled Service within it, and let this one send out your emails. Akin to // once every hour, on top of the hour, Mondays to Fridays @Scheduled(cron = * 0 * * * MON-FRI) public void sendMail() { //mail stuff here } 回答2: Run scheduled tasks outside of your application. Use crontab or

问题 Hi I need help regarding sending email periodically in Spring mvc,can anyone suggest which is the best way and how i can achieve this, 回答1: If it has to be from inside the application, you could add a Spring @Scheduled Service within it, and let this one send out your emails. Akin to // once every hour, on top of the hour, Mondays to Fridays @Scheduled(cron = * 0 * * * MON-FRI) public void sendMail() { //mail stuff here } 回答2: Run scheduled tasks outside of your application. Use crontab or

问题 Hi I need help regarding sending email periodically in Spring mvc,can anyone suggest which is the best way and how i can achieve this, 回答1: If it has to be from inside the application, you could add a Spring @Scheduled Service within it, and let this one send out your emails. Akin to // once every hour, on top of the hour, Mondays to Fridays @Scheduled(cron = * 0 * * * MON-FRI) public void sendMail() { //mail stuff here } 回答2: Run scheduled tasks outside of your application. Use crontab or

问题 We have a use case where we have two microservices, Microservice A pushes a long-running task to Microservice B . Microservice B starts processing the task and keeps updating the status of the task. Now Microservice A has to constantly poll Microservice B for an update on the status of the task. We don't have queues in our current setup. So, We thought of creating a web socket between Microservice A and Microservice B so that Microservice B can push the status updates to Microservice A .

问题 There are URLs I have put in my application.properties file. Now these URLs need to have the language so that the page loads in different languages. For example in my application.properties file I have a property for the Contact Us link as below contact_us_link=https://my-domain.com/{locale}/contact-us In the above link I need to use the current application locale so that if the locale is "en", the above property will become contact_us_link=https://my-domain.com/ en /contact-us How can I use

问题 There are URLs I have put in my application.properties file. Now these URLs need to have the language so that the page loads in different languages. For example in my application.properties file I have a property for the Contact Us link as below contact_us_link=https://my-domain.com/{locale}/contact-us In the above link I need to use the current application locale so that if the locale is "en", the above property will become contact_us_link=https://my-domain.com/ en /contact-us How can I use