小编Jur*_*eld的帖子

我有一个InputStream和将要输出的数据的大小（HTTP 请求的响应）。由于空间复杂性的原因，我无法阅读全文。我想要的是将数据直接发送到新的请求正文中。我尝试使用 OkHttp 执行此操作，但无法使其工作。我不知道有任何其他 HTTP 客户端可以做到这一点。

如果可能的话，我想避免与Socket. 有什么建议吗？

编辑：添加的限制是该解决方案必须与 Java 8 一起使用

我正在尝试使用无服务器框架将图像上传到 S3 存储桶。当我在部署后调用端点时，代码失败并出现“访问被拒绝”错误。我究竟做错了什么？

使用“无服务器日志 -f fileDownload”时出现错误：

ERROR   Unhandled Promise Rejection     {"errorType":"Runtime.UnhandledPromiseRejection","errorMessage":"AccessDenied: Access Denied","reason":{"errorType":"AccessDenied","errorMessage":"Access Denied","code":"AccessDenied","message":"Access Denied","region":null,"time":"2020-05-08T14:06:11.767Z","requestId":"874D7C86A4C6BE45","extendedRequestId":"r8xyvcrK9su5c+slhX5L/uh4/Y/sdFnUgPcebHpSTNpbnf39EnAZJET750P8t0iXy8UR81SiYZc=","statusCode":403,"retryable":false,"retryDelay":17.606445772028543,"stack":
["AccessDenied: Access Denied"
,"    at Request.extractError (/var/task/node_modules/aws-sdk/lib/services/s3.js:835:35)"
,"    at Request.callListeners (/var/task/node_modules/aws-sdk/lib/sequential_executor.js:106:20)"
,"    at Request.emit (/var/task/node_modules/aws-sdk/lib/sequential_executor.js:78:10)"
,"    at Request.emit (/var/task/node_modules/aws-sdk/lib/request.js:683:14)"
,"    at Request.transition (/var/task/node_modules/aws-sdk/lib/request.js:22:10)"
,"    at AcceptorStateMachine.runTo (/var/task/node_modules/aws-sdk/lib/state_machine.js:14:12)"
,"    at /var/task/node_modules/aws-sdk/lib/state_machine.js:26:10"
,"    at Request.<anonymous> (/var/task/node_modules/aws-sdk/lib/request.js:38:9)"
,"    at Request.<anonymous> (/var/task/node_modules/aws-sdk/lib/request.js:685:12)"
,"    at Request.callListeners (/var/task/node_modules/aws-sdk/lib/sequential_executor.js:116:18)"
]}
,"promise":{},"stack":
["Runtime.UnhandledPromiseRejection: AccessDenied: Access Denied"
,"    at process.<anonymous> (/var/runtime/index.js:35:15)"
,"    at process.emit (events.js:310:20)"
,"    at process.EventEmitter.emit (domain.js:482:12)"
,"    at processPromiseRejections (internal/process/promises.js:209:33)"
," …