AWS::EMR::Cluster HadoopJarStepConfig - Amazon CloudFormation
SyntaxProperties
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AWS::EMR::Cluster HadoopJarStepConfig

The HadoopJarStepConfig property type specifies a job flow step consisting of a JAR file whose main function will be executed. The main function submits a job for the cluster to execute as a step on the master node, and then waits for the job to finish or fail before executing subsequent steps.

Syntax

To declare this entity in your Amazon CloudFormation template, use the following syntax:

JSON

{
  "Args" : [ String, ... ],
  "Jar" : String,
  "MainClass" : String,
  "StepProperties" : [ KeyValue, ... ]
}

YAML

  Args: 
    - String
  Jar: String
  MainClass: String
  StepProperties: 
    - KeyValue

Properties

Args

A list of command line arguments passed to the JAR file's main function when executed.

Required: No

Type: Array of String

Update requires: Replacement

Jar

A path to a JAR file run during the step.

Required: Yes

Type: String

Pattern: [\u0020-\uD7FF\uE000-\uFFFD\uD800\uDC00-\uDBFF\uDFFF\r\n\t]*

Minimum: 0

Maximum: 10280

Update requires: Replacement

MainClass

The name of the main class in the specified Java file. If not specified, the JAR file should specify a Main-Class in its manifest file.

Required: No

Type: String

Pattern: [\u0020-\uD7FF\uE000-\uFFFD\uD800\uDC00-\uDBFF\uDFFF\r\n\t]*

Minimum: 0

Maximum: 10280

Update requires: Replacement

StepProperties

A list of Java properties that are set when the step runs. You can use these properties to pass key-value pairs to your main function.

Required: No

Type: Array of KeyValue

Update requires: Replacement