防止SpringBoot程序崩溃的几种方式汇总

@ControllerAdvice
public class GlobalExceptionHandler {

    @ExceptionHandler(Exception.class)
    public ResponseEntity<String> handleException(Exception e) {
        // 记录日志，返回通用错误响应
        return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body("服务器错误，请稍后重试。");
    }
}

public void someMethod() {
    try {
        // 可能抛出异常的代码
    } catch (SpecificException e) {
        // 处理特定异常
    } catch (Exception e) {
        // 捕获其他异常
    }
}

@RestController
public class MyController {

    @GetMapping("/myService")
    @CircuitBreaker(name = "myService", fallbackMethod = "fallbackMethod")
    public String callMyService() {
        // 调用可能失败的外部服务
    }

    public String fallbackMethod(Exception e) {
        return "外部服务不可用，请稍后再试。";
    }
}

# application.yml
server:
  tomcat:
    threads:
      max: 200

server:
  shutdown: graceful

management:
  endpoints:
    web:
      exposure:
        include: health

spring:
  datasource:
    hikari:
      maximum-pool-size: 50
      minimum-idle: 10