From 28482f81a8ad8d7f5e11b987337b5ba164eb856e Mon Sep 17 00:00:00 2001
From: tangwei12 <tangwei12@baidu.com>
Date: Tue, 19 Jun 2018 19:49:02 +0800
Subject: [PATCH] bug fix

---
 paddle/fluid/operators/listen_and_serv_op.cc | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/paddle/fluid/operators/listen_and_serv_op.cc b/paddle/fluid/operators/listen_and_serv_op.cc
index b0eec2eb44..463677c75e 100644
--- a/paddle/fluid/operators/listen_and_serv_op.cc
+++ b/paddle/fluid/operators/listen_and_serv_op.cc
@@ -269,16 +269,16 @@ void ListenAndServOp::RunImpl(const framework::Scope &scope,
   rpc_service_->RegisterRPC(detail::kRequestCheckpoint,
                             request_checkpoint_handler_.get());
 
+  auto *optimize_block = Attr<framework::BlockDesc *>(kOptimizeBlock);
+  auto *program = optimize_block->Program();
+  framework::Executor executor(dev_place);
+
   std::shared_ptr<framework::ExecutorPrepareContext> ckpt_pre_context = nullptr;
   if (checkpoint_notify_id != -1) {
     auto ctx = executor.Prepare(*program, checkpoint_notify_id);
     ckpt_pre_context = std::move(ctx);
   }
 
-  auto *optimize_block = Attr<framework::BlockDesc *>(kOptimizeBlock);
-  auto *program = optimize_block->Program();
-  framework::Executor executor(dev_place);
-
   // prepare for prefetch
   std::vector<int> prefetch_block_id_list;
   std::unordered_map<int, std::string> block_id_to_prefetch_var_name;
-- 
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