猿创征文｜技术成长之路-【Java编程系列】文件存储实践：Amazon S3实现文件上传下载，总结坑点，积累成长经验

傷城~ 2024-04-08 09:54 34阅读 0赞

## 热门系列： ##

#### [【Java编程系列】Minio实现文件上传下载][Java_Minio] ####

--------------------

## 1、前言 ##

最近有一客户，需要独立部署文件存储到自己的私有化服务器，于是选择了让我们使用在AWS服务器的s3存储桶方式来实现。

在开发时间过程中，**学习到了很多，也碰到了很多坑，感觉在io方面，成长了许多，特此记录一下积累的成长经验（详见【总结】部分）**，也希望可以帮助到有需要的朋友~~~

--------------------

## 2、Amazon S3实战代码 ##

### 2.1 S3的Sdk对接实现 ###

#### 2.1.1 S3 Maven依赖 ####

这里需要说明一下，目前封装好的java可用的sdk有两种实现依赖，第一种：

<dependency>
        <groupId>com.amazonaws</groupId>
        <artifactId>aws-java-sdk-s3</artifactId>
        <version>1.12.276</version>
    </dependency>

以上是第一种封装依赖，但是这里面会有部分依赖缺失，在文末的总结中，可以看到完整的依赖方式。

第二种封装依赖：

<dependency>
        <groupId>software.amazon.awssdk</groupId>
        <artifactId>s3</artifactId>
        <version>2.17.100</version>
    </dependency>
    <dependency>
        <groupId>software.amazon.awssdk</groupId>
        <artifactId>kms</artifactId>
        <version>2.17.100</version>
    </dependency>
    <dependency>
        <groupId>software.amazon.awssdk</groupId>
        <artifactId>s3control</artifactId>
        <version>2.17.100</version>
    </dependency>

本来是使用第一种依赖来做的开发编码。后来因为一个403权限拒绝原因，一开始不确定是否是api问题，所以后来又使用了s3官方文档推荐的第二种依赖完成了开发实现，**因此以下示例代码，全都是引用第二种maven依赖来完成的**！！！

####    2.1.2 s3 client配置与初始化 ####

在开始实践编码前，先列一下本次开发中，我参考的一些api文档，希望能给有需要的朋友一些参考和帮助。

S3官方开发指南文档：[使用 AWS SDK for Java 的 Amazon S3示例 - AWS SDK for Java][AWS SDK for Java _ Amazon S3_ - AWS SDK for Java]

开发示例代码github地址：[aws-doc-sdk-examples/javav2/example\_code/s3/src/main/java/com/example/s3 at main · awsdocs/aws-doc-sdk-examples · GitHub][aws-doc-sdk-examples_javav2_example_code_s3_src_main_java_com_example_s3 at main _ awsdocs_aws-doc-sdk-examples _ GitHub]

还有第一种依赖的实现参考代码：[如何使用AWS SDK for Java操作MinIO Server | Minio中文文档][AWS SDK for Java_MinIO Server _ Minio]

s3存储桶的配置信息，我这边是使用数据表存储配置的，因为我们系统的多元化接入。可能会有多套配置，所以请按需配置。

初始化代码如下，**PrivateUploadConfig类是我的s3配置信息实体类**：

import lombok.extern.slf4j.Slf4j;
    import org.springframework.stereotype.Component;
    import org.springframework.web.multipart.MultipartFile;
    import software.amazon.awssdk.auth.credentials.AwsBasicCredentials;
    import software.amazon.awssdk.auth.credentials.AwsCredentials;
    import software.amazon.awssdk.auth.credentials.AwsCredentialsProvider;
    import software.amazon.awssdk.auth.credentials.AwsCredentialsProviderChain;
    import software.amazon.awssdk.core.sync.RequestBody;
    import software.amazon.awssdk.core.waiters.WaiterResponse;
    import software.amazon.awssdk.regions.Region;
    import software.amazon.awssdk.services.s3.S3Client;
    import software.amazon.awssdk.services.s3.model.CreateBucketRequest;
    import software.amazon.awssdk.services.s3.model.GetObjectRequest;
    import software.amazon.awssdk.services.s3.model.HeadBucketRequest;
    import software.amazon.awssdk.services.s3.model.HeadBucketResponse;
    import software.amazon.awssdk.services.s3.model.PutObjectRequest;
    import software.amazon.awssdk.services.s3.presigner.S3Presigner;
    import software.amazon.awssdk.services.s3.presigner.model.GetObjectPresignRequest;
    import software.amazon.awssdk.services.s3.presigner.model.PresignedGetObjectRequest;
    import software.amazon.awssdk.services.s3.waiters.S3Waiter;
    
    import javax.annotation.Resource;
    import java.io.ByteArrayInputStream;
    import java.io.IOException;
    import java.io.InputStream;
    import java.time.Duration;
    import java.util.Objects;
    
    /**
     * @Date: 2022/8/19 19:40
     * @Description
     */
    @Component
    @Slf4j
    public class S3ClientUtil {
    	private S3Client s3Client;
    
    //	private S3AsyncClient s3AsyncClient;
    
    	@Resource(name = CommonBeanNames.STRING_REDIS_HELPER)
    	private RedisHelper redisHelper;
    	
    	/**
    	* @Description
    	* @Date 19:53 2022/8/19
    	* @Param [uploadConfig=s3配置信息实体类]
    	* @return software.amazon.awssdk.auth.credentials.AwsCredentialsProviderChain
    	**/
    	private AwsCredentialsProviderChain getProvider(PrivateUploadConfig uploadConfig){
    		return AwsCredentialsProviderChain
            .builder()
            .addCredentialsProvider(new AwsCredentialsProvider() {
                @Override
                public AwsCredentials resolveCredentials() {
                    return AwsBasicCredentials.create(uploadConfig.getAccessKey(), uploadConfig.getSecretKey());
                }
            }).build();
    	}
    	
    	/**
    	 * @return void
    	 * @Description
    	 * @Date 19:47 2022/8/19
    	 * @Param [uploadConfig=s3配置信息实体类]
    	 **/
    	private void init(PrivateUploadConfig uploadConfig) {
    		if (null != s3Client) {
    			return;
    		}
    
    		s3Client = S3Client.builder()
    				.credentialsProvider(getProvider(uploadConfig))
    				.region(Region.of(uploadConfig.getRegion()))
    				.build();
    	}
    	
    	/**
    	* @Description
    	* @Date 19:53 2022/8/19
    	* @Param [bucket=存储桶名称]
    	* @return void
    	**/
    	public void makeBucket(String bucket){
    		S3Waiter s3Waiter = s3Client.waiter();
            CreateBucketRequest bucketRequest = CreateBucketRequest.builder()
                .bucket(bucket)
                .build();
    
            s3Client.createBucket(bucketRequest);
            HeadBucketRequest bucketRequestWait = HeadBucketRequest.builder()
                .bucket(bucket)
                .build();
    
            // Wait until the bucket is created and print out the response.
            WaiterResponse<HeadBucketResponse> waiterResponse = s3Waiter.waitUntilBucketExists(bucketRequestWait);
            waiterResponse.matched().response().ifPresent(r->log.info(r.toString()));
    	}
    
    }

####  ####

#### 2.1.3 上传文件 ####

#### 2.1.4 下载文件 ####

#### 2.1.5 生成文件预签名url ####

#### 2.1.6 文件“永久性”访问实现 ####

其实S3存储桶，通过策略配置，是可以直接通过 域名+桶名称+文件路径名称 ，来直接永久访问到的。但是，这么做的话，安全性就大大降低了。所以，我们需要采取其他的方式来间接实现永久访问的功能。于是，有了一下曲线救国的方针：

> **通过定时任务，根据你生成预签名url的最大时效来，往后推一点时间，来生成需要更新的时间周期。**
> 
> 例如，我选择最大时效为7天，那么我会定时任务，每天查询图片url时效已达过6天的记录，然后重新生成新的url更新到记录里，如此，就可以间接性的永久有效啦~~~

#### 2.1.7 其他操作（解决下载慢） ####

还有很多其他api，如删除文件、获取存储桶列表、获取文件列表；另外还有一些，针对不同region或是高版本api，还有transfer等高效高性能方法可用。

另外，使用第一种依赖，还能实现一些分段上传、下载。官方建议，当单个文件大小超过100M时，则需要使用分段上传下载处理。

但是，我这里遇到了一个其他问题：**上传和下载很慢的问题 ，****这个问题我分析主要是来自于网络传输效率低所导致，不在代码层面。测试用例：**一个10M左右的文件，上传需要10+秒，下载更是达到60秒左右。

**得出以上结论的原因有：**

> 1、同样的s3实现，我们其他使用aws服务器的朋友，他们使用上传下载时，就没有这个慢的情况出现，至少不会像我这个情况。
> 
> 2、我使用本地文件，对代码进行测试，除了s3的api调用处，其他代码运行效率都很高，只在毫秒级别，使用的是同一个大小的原文件测试的。
> 
> 3、使用断点调试时，发现s3Client.putObject(）方法，阻塞所占时间为主要耗时；另外，对于s3Client.getObject(）下载方法，虽然程序调用在毫秒级，但最终将文件流输出时，底层实际是通过s3服务端的url实时传输的，所以也是传出效率低所导致！

最终，我先想了一个方式，解决下载慢的问题。因为一个文件下载要1min多，实在是太不能接受了。上传10s左右，还得过且过吧。

**对于下载慢的问题，我使用的方式时，在上传完成后，使用redis缓存文件流来解决！**

String fis = new String(multipartFile.getBytes(),"ISO8859-1");
    redisHelper.hset(cacheKey,fileId,fis);

以上是缓存实现的关键代码。对于为什么字符串编码选择使用 **ISO8859-1** ，因为也有与base64转码做过性能对比，发现前者的性能更优。大家可以参考使用！

--------------------

## 3、总结 ##

整体实践完成后，有一些开发过程中遇到的问题，在这里总结一下。帮助大家避坑~~~

### 3.1 异常报错 ###

#### 错误一：关键依赖类缺失（EndpointToRegion类找不到） ####

运行时异常主要信息为：

> **Caused by: java.lang.ClassNotFoundException: com.amazonaws.regions.EndpointToRegion**

全部报错信息如下：

org.springframework.web.util.NestedServletException: Handler dispatch failed; nested exception is java.lang.NoClassDefFoundError: com/amazonaws/regions/EndpointToRegion
    	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1055)
    	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943)
    	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)
    	at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909)
    	at javax.servlet.http.HttpServlet.service(HttpServlet.java:660)
    	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)
    	at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    	at ***.GzipFilter.doFilter(GzipFilter.java:47)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    	at ***.AbstractCorsFilter.doFilter(AbstractCorsFilter.java:63)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    	at ***.ChannelFilter.doFilter(ChannelFilter.java:33)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)
    	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    	at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)
    	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    	at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.doFilterInternal(WebMvcMetricsFilter.java:109)
    	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
    	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202)
    	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
    	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541)
    	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
    	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
    	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
    	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
    	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:367)
    	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
    	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868)
    	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1639)
    	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
    	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    	at java.lang.Thread.run(Thread.java:748)
    Caused by: java.lang.NoClassDefFoundError: com/amazonaws/regions/EndpointToRegion
    	at com.amazonaws.services.s3.internal.auth.S3SignerProvider.getSigner(S3SignerProvider.java:62)
    	at com.amazonaws.http.ExecutionContext.getSigner(ExecutionContext.java:135)
    	at com.amazonaws.http.AmazonHttpClient$RequestExecutor$ExecOneRequestParams.newSigner(AmazonHttpClient.java:1843)
    	at com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeOneRequest(AmazonHttpClient.java:1216)
    	at com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeHelper(AmazonHttpClient.java:1074)
    	at com.amazonaws.http.AmazonHttpClient$RequestExecutor.doExecute(AmazonHttpClient.java:745)
    	at com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeWithTimer(AmazonHttpClient.java:719)
    	at com.amazonaws.http.AmazonHttpClient$RequestExecutor.execute(AmazonHttpClient.java:701)
    	at com.amazonaws.http.AmazonHttpClient$RequestExecutor.access$500(AmazonHttpClient.java:669)
    	at com.amazonaws.http.AmazonHttpClient$RequestExecutionBuilderImpl.execute(AmazonHttpClient.java:651)
    	at com.amazonaws.http.AmazonHttpClient.execute(AmazonHttpClient.java:515)
    	at com.amazonaws.services.s3.AmazonS3Client.invoke(AmazonS3Client.java:5456)
    	at com.amazonaws.services.s3.AmazonS3Client.invoke(AmazonS3Client.java:5403)
    	at com.amazonaws.services.s3.AmazonS3Client.getAcl(AmazonS3Client.java:4062)
    	at com.amazonaws.services.s3.AmazonS3Client.getBucketAcl(AmazonS3Client.java:1278)
    	at com.amazonaws.services.s3.AmazonS3Client.getBucketAcl(AmazonS3Client.java:1268)
    	at com.amazonaws.services.s3.AmazonS3Client.doesBucketExistV2(AmazonS3Client.java:1406)
    	at ***.***.PrivateMinioClientHelper.makeBucket(PrivateMinioClientHelper.java:56)
    	at ***.***.PrivateMinioClientHelper.amazonS3Init(PrivateMinioClientHelper.java:140)
    	at ***.***.PrivateMinioClientHelper.init(PrivateMinioClientHelper.java:110)
    	at ***.***.PrivateMinioClientHelper.amazonS3Upload(PrivateMinioClientHelper.java:163)
    	at ***.***.PrivateMinioClientHelper.uploadFile(PrivateMinioClientHelper.java:72)
    	at ***.***.service.impl.PrivateMinioServiceImpl.uploadFile(PrivateMinioServiceImpl.java:79)
    	at ***.***.service.impl.AbstractFileServiceImpl.upload(AbstractFileServiceImpl.java:269)
    	at ***.***.controller.FileController.upload(FileController.java:108)
    	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    	at java.lang.reflect.Method.invoke(Method.java:498)
    	at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:190)
    	at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)
    	at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:106)
    	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:879)
    	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:793)
    	at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
    	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1040)
    	... 52 common frames omitted
    Caused by: java.lang.ClassNotFoundException: com.amazonaws.regions.EndpointToRegion
    	at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
    	at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
    	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:355)
    	at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
    	... 88 common frames omitted

**解决方式：因为缺少部分依赖，只需要引入以下maven依赖即可**

<dependency>
    	<groupId>com.amazonaws</groupId>
    	<artifactId>aws-java-sdk-s3</artifactId>
    	<version>1.12.276</version>
    </dependency>
    <dependency>
    	<groupId>com.amazonaws</groupId>
    	<artifactId>aws-java-sdk-kms</artifactId>
    	<version>1.12.276</version>
    </dependency>
    
    <dependency>
    	<groupId>com.amazonaws</groupId>
    	<artifactId>aws-java-sdk-core</artifactId>
    	<version>1.12.276</version>
    </dependency>
    
    <dependency>
    	<groupId>com.amazonaws</groupId>
    	<artifactId>jmespath-java</artifactId>
    	<version>1.12.276</version>
    </dependency>

#### 错误二：权限配置问题，拒绝访问 ####

另一个运行异常报错信息如下：

> **com.amazonaws.services.s3.model.AmazonS3Exception: Access Denied (Service: Amazon S3; Status Code: 403; Error Code: AccessDenied; Request ID: 7GR03AT1BWSMPNYM; S3 Extended Request ID: 8fu4lS0r0N6hNhKQbqunAnkmx3HxxRwjqA9oHobv61P7U8vYra23L4MuNlfC6sKjdFr73U1EmX4=; Proxy: null)**

整体错误日志如下：

com.amazonaws.services.s3.model.AmazonS3Exception: Access Denied (Service: Amazon S3; Status Code: 403; Error Code: AccessDenied; Request ID: 7GR03AT1BWSMPNYM; S3 Extended Request ID: 8fu4lS0r0N6hNhKQbqunAnkmx3HxxRwjqA9oHobv61P7U8vYra23L4MuNlfC6sKjdFr73U1EmX4=; Proxy: null)
    	at com.amazonaws.http.AmazonHttpClient$RequestExecutor.handleErrorResponse(AmazonHttpClient.java:1879)
    	at com.amazonaws.http.AmazonHttpClient$RequestExecutor.handleServiceErrorResponse(AmazonHttpClient.java:1418)
    	at com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeOneRequest(AmazonHttpClient.java:1387)
    	at com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeHelper(AmazonHttpClient.java:1157)
    	at com.amazonaws.http.AmazonHttpClient$RequestExecutor.doExecute(AmazonHttpClient.java:814)
    	at com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeWithTimer(AmazonHttpClient.java:781)
    	at com.amazonaws.http.AmazonHttpClient$RequestExecutor.execute(AmazonHttpClient.java:755)
    	at com.amazonaws.http.AmazonHttpClient$RequestExecutor.access$500(AmazonHttpClient.java:715)
    	at com.amazonaws.http.AmazonHttpClient$RequestExecutionBuilderImpl.execute(AmazonHttpClient.java:697)
    	at com.amazonaws.http.AmazonHttpClient.execute(AmazonHttpClient.java:561)
    	at com.amazonaws.http.AmazonHttpClient.execute(AmazonHttpClient.java:541)
    	at com.amazonaws.services.s3.AmazonS3Client.invoke(AmazonS3Client.java:5456)
    	at com.amazonaws.services.s3.AmazonS3Client.invoke(AmazonS3Client.java:5403)
    	at com.amazonaws.services.s3.AmazonS3Client.access$300(AmazonS3Client.java:421)
    	at com.amazonaws.services.s3.AmazonS3Client$PutObjectStrategy.invokeServiceCall(AmazonS3Client.java:6531)
    	at com.amazonaws.services.s3.AmazonS3Client.uploadObject(AmazonS3Client.java:1861)
    	at com.amazonaws.services.s3.AmazonS3Client.putObject(AmazonS3Client.java:1821)
    	at com.amazonaws.services.s3.AmazonS3Client.putObject(AmazonS3Client.java:1753)
    	at ***.helper.PrivateMinioClientHelper.amazonS3Upload(PrivateMinioClientHelper.java:174)
    	at ***.helper.PrivateMinioClientHelper.uploadFile(PrivateMinioClientHelper.java:73)
    	at ***.service.impl.PrivateMinioServiceImpl.uploadFile(PrivateMinioServiceImpl.java:79)
    	at ***.service.impl.AbstractFileServiceImpl.upload(AbstractFileServiceImpl.java:269)
    	at ***.controller.FileController.upload(FileController.java:108)
    	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    	at java.lang.reflect.Method.invoke(Method.java:498)
    	at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:190)
    	at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)
    	at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:106)
    	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:879)
    	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:793)
    	at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
    	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1040)
    	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943)
    	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)
    	at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909)
    	at javax.servlet.http.HttpServlet.service(HttpServlet.java:660)
    	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)
    	at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    	at ***.GzipFilter.doFilter(GzipFilter.java:47)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    	at ***.AbstractCorsFilter.doFilter(AbstractCorsFilter.java:63)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    	at ***.ChannelFilter.doFilter(ChannelFilter.java:33)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)
    	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    	at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)
    	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    	at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.doFilterInternal(WebMvcMetricsFilter.java:109)
    	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
    	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202)
    	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
    	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541)
    	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
    	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
    	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
    	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
    	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:367)
    	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
    	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868)
    	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1639)
    	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
    	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    	at java.lang.Thread.run(Thread.java:748)
    2022-08-10 10:37:52.535 [5m7a7kaVC5xwggeT] ERROR (GlobalExceptionHandler.java:135) - custom exception: code: 30006, message: null, data:null, Exception: ***.service.impl.PrivateMinioServiceImpl.uploadFile(PrivateMinioServiceImpl.java:89)
    		***.service.impl.AbstractFileServiceImpl.upload(AbstractFileServiceImpl.java:269)
    		***.controller.FileController.upload(FileController.java:108)
    		sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    		sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    		sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    		java.lang.reflect.Method.invoke(Method.java:498)
    		org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:190)
    		org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)
    		org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:106)

这个问题，提示已经很明显了，就是s3服务端的拒绝通过啦。当时，还一阵以为少了什么配置所致，其实不然，就是权限配置的问题。

**解决方式：1、将IAM权限设置好，对指定账户放开哪些权限，如读写等等**

![b1886431c1ea4085978dd48c4447c01c.png][]

**2、将指定存储桶的权限放开，保证该桶对指定用户可以上传、下载、删除等等**

![3a0488ecff7e4a04a93ff6189e919e77.png][]

分享内容就到这里啦，欢迎大家留言探讨。希望自我成长的同时，也能帮助到有需要的童靴！有问题，也会第一时间回复~~

[Java_Minio]: https://yangy.blog.csdn.net/article/details/126410894
[AWS SDK for Java _ Amazon S3_ - AWS SDK for Java]: https://docs.aws.amazon.com/zh_cn/sdk-for-java/v1/developer-guide/examples-s3.html
[aws-doc-sdk-examples_javav2_example_code_s3_src_main_java_com_example_s3 at main _ awsdocs_aws-doc-sdk-examples _ GitHub]: https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javav2/example_code/s3/src/main/java/com/example/s3
[AWS SDK for Java_MinIO Server _ Minio]: http://docs.minio.org.cn/docs/master/how-to-use-aws-sdk-for-java-with-minio-server
[b1886431c1ea4085978dd48c4447c01c.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/08/5a6c0583667d41298b7d7fb831c427cb.png
[3a0488ecff7e4a04a93ff6189e919e77.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/08/c292b0230640477ca219a3db15961f60.png