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This article introduces the relevant knowledge of "springboot how to inject war package into applicationContext". In the operation process of actual cases, many people will encounter such difficulties. Next, let Xiaobian lead you to learn how to deal with these situations! I hope you can read carefully and learn something!

ApplicationContext needs to be injected into a certain business class of springboot. The solution is as follows

public static void main(String[] args) { ConfigurableApplicationContext configurableApplicationContext =SpringApplication.run(HongoneApplication.class, args); //solve the problem that WebSocket cannot be injected WebSocketServer.setApplicationContext(configurableApplicationContext);}

Local test passed, but after typing into war package, injection failure was found. The solution is as follows

public class HongoneApplication extends SpringBootServletInitializer{ public static void main(String[] args) { ConfigurableApplicationContext configurableApplicationContext =SpringApplication.run(HongoneApplication.class, args); //solve the problem that WebSocket cannot be injected WebSocketServer.setApplicationContext(configurableApplicationContext); } @Override protected SpringApplicationBuilder configure(SpringApplicationBuilder builder) { return builder.sources(HongoneApplication.class); } @Override public void onStartup(ServletContext servletContext) throws ServletException { super.onStartup(servletContext); WebSocketServer.setApplicationContext(WebApplicationContextUtils.getRequiredWebApplicationContext(servletContext)); }

Rewrite the above two methods in the startup class to solve the problem

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