DescribeStep
Provides more detail about the cluster step.
Request Syntax
{
"ClusterId": "string
",
"StepId": "string
"
}
Request Parameters
For information about the parameters that are common to all actions, see Common Parameters.
The request accepts the following data in JSON format.
Response Syntax
{
"Step": {
"ActionOnFailure": "string",
"Config": {
"Args": [ "string" ],
"Jar": "string",
"MainClass": "string",
"Properties": {
"string" : "string"
}
},
"ExecutionRoleArn": "string",
"Id": "string",
"Name": "string",
"Status": {
"FailureDetails": {
"LogFile": "string",
"Message": "string",
"Reason": "string"
},
"State": "string",
"StateChangeReason": {
"Code": "string",
"Message": "string"
},
"Timeline": {
"CreationDateTime": number,
"EndDateTime": number,
"StartDateTime": number
}
}
}
}
Response Elements
If the action is successful, the service sends back an HTTP 200 response.
The following data is returned in JSON format by the service.
Errors
For information about the errors that are common to all actions, see Common Errors.
- InternalServerException
-
This exception occurs when there is an internal failure in the Amazon EMR service.
HTTP Status Code: 500
- InvalidRequestException
-
This exception occurs when there is something wrong with user input.
HTTP Status Code: 400
See Also
For more information about using this API in one of the language-specific AWS SDKs, see the following: