| Package | Description | 
|---|---|
| org.apache.hadoop.ha | 
| Class and Description | 
|---|
| BadFencingConfigurationException
 Indicates that the operator has specified an invalid configuration
 for fencing methods. 
 | 
| HAServiceProtocol
 Protocol interface that provides High Availability related primitives to
 monitor and fail-over the service. 
 | 
| HAServiceTarget
 Represents a target of the client side HA administration commands. 
 | 
| HealthCheckFailedException
 Exception thrown to indicate that health check of a service failed. 
 | 
| ServiceFailedException
 Exception thrown to indicate that an operation performed
 to modify the state of a service or application failed. 
 | 
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