Class DescribeStepCommandProtected

Provides more detail about the cluster step.

Example

Use a bare-bones client and the command you need to make an API call.

import { EMRClient, DescribeStepCommand } from "@aws-sdk/client-emr"; // ES Modules import
// const { EMRClient, DescribeStepCommand } = require("@aws-sdk/client-emr"); // CommonJS import
const client = new EMRClient(config);
const input = { // DescribeStepInput
  ClusterId: "STRING_VALUE", // required
  StepId: "STRING_VALUE", // required
};
const command = new DescribeStepCommand(input);
const response = await client.send(command);
// { // DescribeStepOutput
//   Step: { // Step
//     Id: "STRING_VALUE",
//     Name: "STRING_VALUE",
//     Config: { // HadoopStepConfig
//       Jar: "STRING_VALUE",
//       Properties: { // StringMap
//         "<keys>": "STRING_VALUE",
//       },
//       MainClass: "STRING_VALUE",
//       Args: [ // StringList
//         "STRING_VALUE",
//       ],
//     },
//     ActionOnFailure: "TERMINATE_JOB_FLOW" || "TERMINATE_CLUSTER" || "CANCEL_AND_WAIT" || "CONTINUE",
//     Status: { // StepStatus
//       State: "PENDING" || "CANCEL_PENDING" || "RUNNING" || "COMPLETED" || "CANCELLED" || "FAILED" || "INTERRUPTED",
//       StateChangeReason: { // StepStateChangeReason
//         Code: "NONE",
//         Message: "STRING_VALUE",
//       },
//       FailureDetails: { // FailureDetails
//         Reason: "STRING_VALUE",
//         Message: "STRING_VALUE",
//         LogFile: "STRING_VALUE",
//       },
//       Timeline: { // StepTimeline
//         CreationDateTime: new Date("TIMESTAMP"),
//         StartDateTime: new Date("TIMESTAMP"),
//         EndDateTime: new Date("TIMESTAMP"),
//       },
//     },
//     ExecutionRoleArn: "STRING_VALUE",
//   },
// };

Param

DescribeStepCommandInput

Returns

DescribeStepCommandOutput

See

• DescribeStepCommandInput for command's input shape.
• DescribeStepCommandOutput for command's response shape.
• config for EMRClient's config shape.

Throws

InternalServerException (server fault)

This exception occurs when there is an internal failure in the Amazon EMR service.

Throws

InvalidRequestException (client fault)

This exception occurs when there is something wrong with user input.

Throws

EMRServiceException

Base exception class for all service exceptions from EMR service.