From 9bdc4f4ebf4432517e289a8dbff2ecf91fee2c17 Mon Sep 17 00:00:00 2001
From: "wangxinshuo.db" <wangxinshuo.db@bytedance.com>
Date: Thu, 20 Jun 2024 16:13:35 +0800
Subject: [PATCH] fix coredump

---
 cpp/core/jni/JniWrapper.cc | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/cpp/core/jni/JniWrapper.cc b/cpp/core/jni/JniWrapper.cc
index ac7da73266eb0..0fd26ebb0dac1 100644
--- a/cpp/core/jni/JniWrapper.cc
+++ b/cpp/core/jni/JniWrapper.cc
@@ -509,8 +509,10 @@ Java_org_apache_gluten_vectorized_NativeColumnarToRowJniWrapper_nativeColumnarTo
   int64_t column2RowMemThreshold;
   auto it = conf.find(kColumnToRowMemoryThreshold);
   bool confIsLeagal =
-      std::all_of(it->second.begin(), it->second.end(), [](unsigned char c) { return std::isdigit(c); });
-  if (it != conf.end() && confIsLeagal) {
+      ((it == conf.end()) ? false : std::all_of(it->second.begin(), it->second.end(), [](unsigned char c) {
+        return std::isdigit(c);
+      }));
+  if (confIsLeagal) {
     column2RowMemThreshold = std::stoll(it->second);
   } else {
     column2RowMemThreshold = std::stoll(kColumnToRowMemoryDefaultThreshold);