Caused by: java.awt.HeadlessException when trying to create a SWING/AWT frame from Spring Boot

Question

在 Spring Boot 中，当您尝试从作为应用程序入口点的组件创建 Swing 框架时，您将获得：

Caused by: java.awt.HeadlessException

Answer 1

To solve this, in your Application class in main, instead of:

SpringApplication.run (Application.class, args)

use

SpringApplicationBuilder builder = new SpringApplicationBuilder(Application.class);
builder.headless(false);
ConfigurableApplicationContext context = builder.run(args);