From 2f9cdd9038a16a2834bf0af47d7744e070777818 Mon Sep 17 00:00:00 2001
From: ysh329 <ysh329@users.noreply.github.com>
Date: Mon, 28 Sep 2020 04:20:08 -0500
Subject: [PATCH] API/OP clip_by_norm_op error message enhancement.
 test=develop (#27614)

* Fix clip_by_norm_op error message. test=develop

* test=develop

* test=develop
---
 paddle/fluid/operators/clip_by_norm_op.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/paddle/fluid/operators/clip_by_norm_op.h b/paddle/fluid/operators/clip_by_norm_op.h
index f6f99369636..a8d1e8e4661 100644
--- a/paddle/fluid/operators/clip_by_norm_op.h
+++ b/paddle/fluid/operators/clip_by_norm_op.h
@@ -63,8 +63,10 @@ class ClipByNormKernel : public framework::OpKernel<T> {
       output->Resize(merged_input->value().dims());
       output->mutable_data<T>(context.GetPlace());
     } else {
-      PADDLE_THROW("Unexpected branch, input variable type is %s",
-                   framework::ToTypeName(in_var->Type()));
+      PADDLE_THROW(platform::errors::InvalidArgument(
+          "Invalid input variable type, only support LodTensor and "
+          "SelectedRows types, but got type is %s.",
+          framework::ToTypeName(in_var->Type())));
     }
 
     PADDLE_ENFORCE_NOT_NULL(input,
-- 
GitLab