Zhaoxi Zhang

Hey @mohamnag, AWS Java SDK already supports this feature. See [here](https://github.com/aws/aws-sdk-java/blob/master/aws-java-sdk-s3/src/main/java/com/amazonaws/services/s3/model/GeneratePresignedUrlRequest.java#L209). Just use `HttpMethod.PUT` as the verb for generating the presigned URL. Here is the sample code: ``` GeneratePresignedUrlRequest request...

Hi, the uploading (PutObject) currently doesn't support chunked encoding using SigV2. It is only feasible in SigV4 and you must enable [body signing](https://github.com/aws/aws-sdk-java/blob/master/aws-java-sdk-s3/src/main/java/com/amazonaws/services/s3/S3ClientOptions.java#L126). However, SDK is not exactly respecting the...

Hi @yakovm3, I don't think this functionality exists at the moment. S3 has the [specification](http://docs.aws.amazon.com/AmazonS3/latest/API/RESTObjectPUT.html#RESTObjectPUT-requests) that the **Content-Length** header must be provided. I can go ahead ask the S3 service...