Amazon Elastic MapReduce
Developer Guide

Using the Java SDK to Sign an API Request

This documentation is for AMI versions 2.x and 3.x of Amazon EMR. See the Amazon EMR Release Guide for information about Amazon EMR releases 4.0.0 and above. For information about managing the Amazon EMR service in 4.x releases, see the Amazon EMR Management Guide.

Amazon EMR uses the Signature Version 4 signing process to construct signed requests to AWS. For more information, see Signature Version 4 Signing Process.