The authorization mechanism you have provided is not supported. Please use AWS4-HMAC-SHA256.

[arvinds26]

Below Sample returns subjected error, using latest version of java sdk

package com.amazonaws.samples;

import java.io.IOException; import java.net.URL;

import com.amazonaws.AmazonClientException; import com.amazonaws.AmazonServiceException; import com.amazonaws.HttpMethod; import com.amazonaws.auth.profile.ProfileCredentialsProvider; import com.amazonaws.services.s3.AmazonS3; import com.amazonaws.services.s3.AmazonS3Client; import com.amazonaws.services.s3.model.GeneratePresignedUrlRequest;

public class GeneratePreSignedUrl { private static String bucketName = "bucketforwso2"; private static String objectKey = "/HTML-CHEAT-SHEET-768x8555.pdf";

public static void main(String[] args) throws IOException {
    @SuppressWarnings("deprecation")
    AmazonS3 s3client = new AmazonS3Client(new ProfileCredentialsProvider());

    try {
        System.out.println("Generating pre-signed URL.");
        java.util.Date expiration = new java.util.Date();
        long milliSeconds = expiration.getTime();
        milliSeconds += 1000 * 60 * 60; // Add 1 hour.
        expiration.setTime(milliSeconds);

        GeneratePresignedUrlRequest generatePresignedUrlRequest = 
                new GeneratePresignedUrlRequest(bucketName, objectKey);
        generatePresignedUrlRequest.setMethod(HttpMethod.GET); 
        generatePresignedUrlRequest.setExpiration(expiration);

        URL url = s3client.generatePresignedUrl(generatePresignedUrlRequest); 

        System.out.println("Pre-Signed URL = " + url.toString());
    } catch (AmazonServiceException exception) {
        System.out.println("Caught an AmazonServiceException, " +
                "which means your request made it " +
                "to Amazon S3, but was rejected with an error response " +
        "for some reason.");
        System.out.println("Error Message: " + exception.getMessage());
        System.out.println("HTTP  Code: "    + exception.getStatusCode());
        System.out.println("AWS Error Code:" + exception.getErrorCode());
        System.out.println("Error Type:    " + exception.getErrorType());
        System.out.println("Request ID:    " + exception.getRequestId());
    } catch (AmazonClientException ace) {
        System.out.println("Caught an AmazonClientException, " +
                "which means the client encountered " +
                "an internal error while trying to communicate" +
                " with S3, " +
        "such as not being able to access the network.");
        System.out.println("Error Message: " + ace.getMessage());
    }
}

}

Generating pre-signed URL. Pre-Signed URL = https://bucketforwso2.s3.amazonaws.com/%2FHTML-CHEAT-SHEET-768x8555.pdf?AWSAccessKeyId=AKIAJH5K4ZJ6ZQB2F4XB&Expires=1514962084&Signature=rY7RjDwJkck8ZCEGWUr4lSm%2Bkuw%3D

InvalidRequest The authorization mechanism you have provided is not supported. Please use AWS4-HMAC-SHA256. 2947D4830B323D3A 4JK5mlUk/a7oOd6WJT5ol5X0prJY+0buLKr9zhnOcoz0mxAk/oc9A/nWHgIC8lggT11xneCtRLU=

[vivekchawda007]

have you find solution for this issue ?