if (ClientDatanodeProtocol.LOG.isDebugEnabled()) {
ClientDatanodeProtocol.LOG.info("ClientDatanodeProtocol addr=" + addr);
}
UserGroupInformation ticket = UserGroupInformation
.createRemoteUser(block.toString());
ticket.addToken(token);
return (ClientDatanodeProtocol)RPC.getProxy(ClientDatanodeProtocol.class,
ClientDatanodeProtocol.versionID, addr, ticket, conf, NetUtils
.getDefaultSocketFactory(conf), socketTimeout);
}