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Getting the following exception when using the AWS SDK for Java and Java 1.8u60+.
com.amazonaws.services.s3.model.AmazonS3Exception: AWS authentication requires a valid Date or x-amz-date header (Service: Amazon S3; Status Code: 403; Error Code: AccessDenied; Request ID: 41C359C079CBAFCF) at com.amazonaws.http.AmazonHttpClient.handleErrorResponse(AmazonHttpClient.java:1182) ~[aws-java-sdk-core-1.10.10.jar:na] at com.amazonaws.http.AmazonHttpClient.executeOneRequest(AmazonHttpClient.java:770) ~[aws-java-sdk-core-1.10.10.jar:na] at com.amazonaws.http.AmazonHttpClient.executeHelper(AmazonHttpClient.java:489) ~[aws-java-sdk-core-1.10.10.jar:na] at com.amazonaws.http.AmazonHttpClient.execute(AmazonHttpClient.java:310) ~[aws-java-sdk-core-1.10.10.jar:na] at com.amazonaws.services.s3.AmazonS3Client.invoke(AmazonS3Client.java:3608) ~[aws-java-sdk-s3-1.10.10.jar:na] at com.amazonaws.services.s3.AmazonS3Client.invoke(AmazonS3Client.java:3561) ~[aws-java-sdk-s3-1.10.10.jar:na] at com.amazonaws.services.s3.AmazonS3Client.listObjects(AmazonS3Client.java:647) ~[aws-java-sdk-s3-1.10.10.jar:na] at com.amazonaws.services.s3.AmazonS3Client.listObjects(AmazonS3Client.java:632) ~[aws-java-sdk-s3-1.10.10.jar:na] 
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X-Amz-DateThe date that is used to create the signature. The format must be ISO 8601 basic format (YYYYMMDD'T'HHMMSS'Z'). For example, the following date time is a valid X-Amz-Date value: 20120325T120000Z .
AWS4-HMAC-SHA256. The algorithm that was used to calculate the signature. You must provide this value when you use AWS Signature Version 4 for authentication.
For Amazon S3 request authentication, use your AWS secret access key ( YourSecretAccessKey ) as the key, and the UTF-8 encoding of the StringToSign as the message. The output of HMAC-SHA1 is also a byte string, called the digest. The Signature request parameter is constructed by Base64 encoding this digest.
You can send requests to Amazon S3 using the REST API or the AWS SDK (see Sample Code and Libraries ) wrapper libraries that wrap the underlying Amazon S3 REST API, simplifying your programming tasks. Every interaction with Amazon S3 is either authenticated or anonymous.
This is caused by a bug between JodaTime and versions of Java greater then 1.8u60. Upgrading to JodaTime version 2.8.1 or later solves the issue. See the following Github issues for reference.
https://github.com/aws/aws-sdk-java/issues/484 https://github.com/aws/aws-sdk-java/issues/444
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