访问localhost:8081/question/allQuestions出现404 Not Found错误排查求助

大家好，我在运行Spring Boot项目时碰到了一个棘手的问题——访问localhost:8081/question/allQuestions时一直返回404 Not Found错误，不管是GET还是POST请求都出现同样的情况，而且控制台完全没有报错信息，Postman里也只显示404，实在不知道哪里出问题了，想请大家帮忙排查一下。

我的application.properties配置 #

# Database Connection Properties
spring.datasource.url=jdbc:mysql://localhost:3306/quizmaker
spring.datasource.username=root
spring.datasource.password=Corona@123

# Specify the JDBC driver for MySQL
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver

# Hibernate properties
spring.jpa.hibernate.ddl-auto=update

# # Connection pool settings
# spring.datasource.hikari.connection-timeout=20000
# spring.datasource.hikari.minimum-idle=5
# spring.datasource.hikari.maximum-pool-size=20
# spring.datasource.hikari.idle-timeout=300000

# Logging SQL statements
spring.jpa.show-sql=true
spring.jpa.properties.hibernate.format_sql=true

server.port=8081

我的QuestionController代码 #

@RestController
@RequestMapping(path = "/question")
public class QuestionController{

private QuestionService questionService;

public QuestionController (QuestionService questionService)
{
this.questionService = questionService;
}

// ------Read Operation----
@GetMapping(path = "/allQuestions")
public List<com.example.model.Question> getAllQuestions () {
return questionService.getAllQuestions();
}

@GetMapping(path = "/category/{category}")
public List<com.example.model.Question> getQuestionsByCategory (@PathVariable String category) {
return questionService.getQuestionsByCategory( category);
}

//------Create Operation---
@PostMapping(path = "/create")
public String createQuestion (@RequestBody Question question) {
return questionService.createQuestion ((com.example.model.Question) question);
}

}

Postman返回的错误信息 #

{"timestamp":"2024-02-11T11:22:56.192+00:00",
"status":404,
"error":"Not Found",
"path":"/question/allQuestions"}

我确认过项目运行端口确实是8081，请求路径也没写错，但就是访问不到对应的接口，控制台也没有任何异常日志输出，实在摸不着头绪，有没有大佬能帮我分析下可能的原因？

备注：内容来源于stack exchange，提问作者Deepa Lakshmi.l