Merge pull request #11450 from jacquesqiao/fix-prefetch-bug

outvar must be create in local scope for prefetch
7 years ago · cbaa24f597
parent d07d9535ca 490a07f5b6
commit cbaa24f597
1 changed files with 2 additions and 1 deletions
--- a/paddle/fluid/operators/detail/grpc_server.cc
+++ b/paddle/fluid/operators/detail/grpc_server.cc
@ -169,7 +169,8 @@ class RequestPrefetch final : public RequestBase {

    auto scope = request_->GetMutableLocalScope();
    auto invar = scope->FindVar(in_var_name);
-    framework::Variable* outvar = scope->FindVar(out_var_name);
+    // out var must be created in local scope!
+    framework::Variable* outvar = scope->Var(out_var_name);

    request_handler_->Handle(in_var_name, scope, invar, &outvar, out_var_name);