From 792814b49b2047a58705b6f92fb1efbe5867c39e Mon Sep 17 00:00:00 2001
From: Yaliang Wu <ylwu@amazon.com>
Date: Tue, 3 Oct 2023 21:15:31 -0700
Subject: [PATCH] support bwc for process function

Signed-off-by: Yaliang Wu <ylwu@amazon.com>
---
 .../opensearch/ml/engine/algorithms/remote/ConnectorUtils.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ml-algorithms/src/main/java/org/opensearch/ml/engine/algorithms/remote/ConnectorUtils.java b/ml-algorithms/src/main/java/org/opensearch/ml/engine/algorithms/remote/ConnectorUtils.java
index c481725057..deb0f8c45d 100644
--- a/ml-algorithms/src/main/java/org/opensearch/ml/engine/algorithms/remote/ConnectorUtils.java
+++ b/ml-algorithms/src/main/java/org/opensearch/ml/engine/algorithms/remote/ConnectorUtils.java
@@ -94,7 +94,8 @@ private static RemoteInferenceInputDataSet processTextDocsInput(TextDocsInputDat
             List<String> docs = new ArrayList<>();
             for (String doc : inputDataSet.getDocs()) {
                 if (doc != null) {
-                    docs.add(gson.toJson(doc));
+                    String gsonString = gson.toJson(doc);
+                    docs.add(gsonString.substring(1, gsonString.length() - 1));
                 } else {
                     docs.add(null);
                 }