| Package | Description | 
|---|---|
| org.apache.hadoop.service.launcher | This package contains classes, interfaces and exceptions to launch
 YARN services from the command line. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | ServiceLauncher<S extends Service>A class to launch any YARN service by name. | 
| class  | ServiceLaunchExceptionA service launch exception that includes an exit code. | 
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