Spring

问题 Hi i want to know what are the different ways to get ApplicationContext Object in Spring? I know only one way that is, ApplicationContext context = new ClassPathXmlApplicationContext("Beans.xml"); is there any other ways? if it is please let me know. Thanks. 回答1: You can also use annotation based configuration @Configuration public class Config { @Bean public Bean1 bean1() { return new Bean1(); } public static void main(String[] args) { ApplicationContext ctx = new

问题 I have a design issue when I am trying to build a framework using cucumber, selenium and cucumber-spring. My expected behavior is to quit WebdDriver instance for every scenario. But Here is my page objects in src\main\java @Component public class BasePage { WebDriver driver; public BasePage(WebDriver driver) { this.driver = driver; PageFactory.initElements(driver, this); } public WebDriver getDriver() { return this.driver; } } Here is another page object class which extends the Base class.

问题 Is there a way to create a centralized exception handling mechanism in spring boot. I have a custom exception that I am throwing from multiple @Component classes and I would like it to be caught in one class/handler. This is NOT a REST API or Controller triggered call. I tried @ControllerAdvice with @ExceptionHandler . but no luck. Example below to shows what I am trying to achieve. Method Handle is not triggering. I am using spring boot v2.1.1 CustomException public class CustomException

问题 we have a RESTful service deployed on multiple nodes and we want to limit the number of calls coming to our service from each client with different quota for each client per minute. our stack : Jboss application server, Java/Spring RESTful service. What cloud be the possible technique to implement this? 回答1: Sometimes ago I read a good article where the same theme was highlighted. The idea is to move this logic into load balancing proxy and here some good reasons to do it: Eliminates

问题 we have a RESTful service deployed on multiple nodes and we want to limit the number of calls coming to our service from each client with different quota for each client per minute. our stack : Jboss application server, Java/Spring RESTful service. What cloud be the possible technique to implement this? 回答1: Sometimes ago I read a good article where the same theme was highlighted. The idea is to move this logic into load balancing proxy and here some good reasons to do it: Eliminates

问题 we have a RESTful service deployed on multiple nodes and we want to limit the number of calls coming to our service from each client with different quota for each client per minute. our stack : Jboss application server, Java/Spring RESTful service. What cloud be the possible technique to implement this? 回答1: Sometimes ago I read a good article where the same theme was highlighted. The idea is to move this logic into load balancing proxy and here some good reasons to do it: Eliminates

问题 I have multiple instances using Spring Boot WebSocket (created following the first half of Spring's guide). I need them to connect to other instances at specific hostnames and ports and to be able to send messages over the websocket connection using STOMP protocol. How can I connect to my other services over websocket? How can I send messages using the STOMP protocol (preferably using the same marshalling/unmarshalling magic I get with received messages)? Things that don't answer my question:

问题 I am trying to access the contents of an API and I need to send a URL using RestTemplate. String url1 = "http://api.example.com/Search?key=52ddafbe3ee659bad97fcce7c53592916a6bfd73&term=&limit=100&sort={\"price\":\"desc\"}"; OutputPage page = restTemplate.getForObject(url1, OutputPage .class); But, I am getting the following error. Exception in thread "main" java.lang.IllegalArgumentException: Not enough variable values available to expand '"price"' at org.springframework.web.util

问题 Good day. I have created mvc-dipatcher-servlet.xml <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context" xmlns:mvc="http://www.springframework.org/schema/mvc" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context

问题 I have a Spring Boot application and I want to use log4j with this application. Problem is I have a JDBC appender like(log4j2.xml); <JDBC name="customDBAppender" tableName="mytable"> <ConnectionFactory class="com.example.logger.ConnectionFactory" method="getConnection" /> .... </JDBC> I got a static getConnection method and I need to reach my database properties(username, password) in this method. I think log4j uses reflection to create connection with this method(and even before Spring