springboot启动问题引入GlobalExceptionHandler创建bean失败

代码

java

package com.huayun.usermanger.exception;


import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpStatus;
import org.springframework.web.bind.MissingServletRequestParameterException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.servlet.mvc.method.annotation.ResponseEntityExceptionHandler;

import com.huayun.usermanger.util.JsonResult;


@RestControllerAdvice
@ResponseBody
public class GlobalExceptionHandler extends ResponseEntityExceptionHandler {
    
    private static final Logger logger =  LoggerFactory.getLogger(GlobalExceptionHandler.class);

    
    /**
    * 缺少请求参数异常
    * @param ex HttpMessageNotReadableException
    * @return
    */
    @ExceptionHandler(MissingServletRequestParameterException.class)
    @ResponseStatus(value = HttpStatus.BAD_REQUEST)
    public JsonResult handleHttpMessageNotReadableException(
        MissingServletRequestParameterException ex) {
        logger.error("缺少请求参数，{}", ex.getMessage());
        return new JsonResult("400", "缺少必要的请求参数");
    }
}

pom.xml

xml


4.0.0

org.springframework.boot
spring-boot-starter-parent
2.5.4


com.huayun.usermanger
usermanger
0.0.1-SNAPSHOT
usermanger
usermanger system

<java.version>11</java.version>

<dependencies>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter</artifactId>
    </dependency>

    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-test</artifactId>
        <scope>test</scope>
    </dependency>
    <dependency>
        <groupId>org.projectlombok</groupId>
        <artifactId>lombok</artifactId>
        <optional>true</optional>
    </dependency>
    <dependency>
        <groupId>com.alibaba</groupId>
        <artifactId>fastjson</artifactId>
        <version>1.2.35</version>
    </dependency>
     <!-- @ConfigurationProperties 注解需要导入它的依赖 -->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-configuration-processor</artifactId>
        <optional>true</optional>
    </dependency>
    <dependency>
    <!-- swagger2支持 -->
    <groupId>io.springfox</groupId>
        <artifactId>springfox-swagger2</artifactId>
        <version>2.9.2</version>
    </dependency>
    <dependency>
        <groupId>io.springfox</groupId>
        <artifactId>springfox-swagger-ui</artifactId>
        <version>2.9.2</version>
    </dependency>
    <!-- aop 支持 -->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-aop</artifactId>
    </dependency>
</dependencies>

<build>
    <plugins>
        <plugin>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-maven-plugin</artifactId>
        </plugin>
    </plugins>
</build>

报错信息
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'handlerExceptionResolver' defined in class path resource [com/huayun/usermanger/config/FastJsonConfigSupport.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.web.servlet.HandlerExceptionResolver]: Factory method 'handlerExceptionResolver' threw exception; nested exception is java.lang.IllegalStateException: Ambiguous @ExceptionHandler method mapped for [class org.springframework.web.bind.MissingServletRequestParameterException]: {public com.huayun.usermanger.util.JsonResult com.huayun.usermanger.exception.GlobalExceptionHandler.handleHttpMessageNotReadableException(org.springframework.web.bind.MissingServletRequestParameterException), public final org.springframework.http.ResponseEntity org.springframework.web.servlet.mvc.method.annotation.ResponseEntityExceptionHandler.handleException(java.lang.Exception,org.springframework.web.context.request.WebRequest) throws java.lang.Exception}

去掉这些花里胡哨的继承再跑跑