public void setFailureReason(String failureReason) {
        this.failureReason = failureReason;
    }
<p>
If the optimization job status is <code>FAILED</code>, the reason for the failure.
</p>

@param failureReason
       If the optimization job status is <code>FAILED</code>, the reason for the failure.
aws-java-sdk-sagemaker/src/main/java/com/amazonaws/services/sagemaker/model/DescribeOptimizationJobResult.java