public GetContainersResponse getContainers(GetContainersRequest request)
throws YarnException, IOException {
GetContainersRequestProto requestProto =
((GetContainersRequestPBImpl) request).getProto();
try {
return new GetContainersResponsePBImpl(proxy.getContainers(null,
requestProto));
} catch (ServiceException e) {
RPCUtil.unwrapAndThrowException(e);
return null;
}