title: AWS Cloudformation:Template validation error
body: <p>I am using the below template to create a job definition using the cloudformation. When I upload this template, I am getting the error:</p>
  
  <p>"Template validation error: Invalid template property or properties [JobDefinition]"</p>
  
  <p>did I miss something in my template?</p>
  
  <pre><code>{
    "JobDefinition": {
      "Type": "AWS::Batch::JobDefinition",
      "Properties": {
        "Type": "container",
        "JobDefinitionName" : "filedownload",
        "ContainerProperties": {
          "Image": "abc",
          "Vcpus": 4,
          "Memory": 2000,
          "JobRoleArn": "arn:aws:iam::********:role/batchjobRole",
          "ReadonlyRootFilesystem": true,
          "Privileged": true
      },   
      "RetryStrategy" : {"attempts": 1}    
      }
    }
  }
  </code></pre>