public void setReason(String reason) {
        this.reason = reason;
    }
<p>
The reason for the failure if the CancelSteps request fails.
</p>

@param reason
       The reason for the failure if the CancelSteps request fails.
aws-java-sdk-emr/src/main/java/com/amazonaws/services/elasticmapreduce/model/CancelStepsInfo.java