RPC.getProtocolVersion(ClientNamenodeProtocolPB.class), methodName);
}
@Override
public DataEncryptionKey getDataEncryptionKey() throws IOException {
GetDataEncryptionKeyRequestProto req = GetDataEncryptionKeyRequestProto
.newBuilder().build();
try {
return PBHelper.convert(rpcProxy.getDataEncryptionKey(null, req)
.getDataEncryptionKey());
} catch (ServiceException e) {