From a70cceb440f431bcb6c96fdb41bd4b21e22d7aa3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=88=98=E8=93=93?= <liubei@liubeideMacBook-Pro.local>
Date: Fri, 26 May 2023 11:14:30 +0800
Subject: [PATCH] fix: add return value

---
 source/client/src/clientTmqConnector.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/client/src/clientTmqConnector.c b/source/client/src/clientTmqConnector.c
index 6b0bfc09e8..08c802d967 100644
--- a/source/client/src/clientTmqConnector.c
+++ b/source/client/src/clientTmqConnector.c
@@ -394,7 +394,7 @@ JNIEXPORT jlong JNICALL Java_com_taosdata_jdbc_tmq_TMQConnector_tmqGetOffset(JNI
   TAOS_RES *res = (TAOS_RES *)jres;
   if (res == NULL) {
     jniDebug("jobj:%p, invalid res handle", jobj);
-    return NULL;
+    return -1;
   }
   return tmq_get_vgroup_offset(res);
 }
-- 
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