// same Hadoop Job token, which is used to create the SASL
// tokens to authenticate with each other.
// After authentication finishes, this pipeline component
// is removed.
PipelineUtils.addLastWithExecutorCheck("sasl-client-handler",
new SaslClientHandler(conf), handlerToUseExecutionGroup,
executionGroup, ch);
PipelineUtils.addLastWithExecutorCheck("response-handler",
new ResponseClientHandler(clientRequestIdRequestInfoMap,
conf), handlerToUseExecutionGroup, executionGroup, ch);
} else {