From 9ec0b1445d902adce88febb1186db044877e8583 Mon Sep 17 00:00:00 2001
From: huolibo <huolibo@qq.com>
Date: Mon, 5 Dec 2022 16:08:55 +0800
Subject: [PATCH] fix: jni add error code msg (#18699)

---
 src/client/src/TSDBJNIConnector.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/client/src/TSDBJNIConnector.c b/src/client/src/TSDBJNIConnector.c
index c7d328bf1d..854f64d2d4 100644
--- a/src/client/src/TSDBJNIConnector.c
+++ b/src/client/src/TSDBJNIConnector.c
@@ -120,7 +120,7 @@ int32_t check_for_params(jobject jobj, jlong conn, jlong res) {
   }
 
   if ((TAOS_RES *)res == NULL) {
-    jniError("jobj:%p, conn:%p, res is null", jobj, (TAOS *)conn);
+    jniError("jobj:%p, conn:%p, param res is null", jobj, (TAOS *)conn);
     return JNI_RESULT_SET_NULL;
   }
 
@@ -395,8 +395,8 @@ JNIEXPORT jint JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_freeResultSetImp(
     return code;
   }
 
-  taos_free_result((void *)res);
   jniDebug("jobj:%p, conn:%p, free resultset:%p", jobj, (TAOS *)con, (void *)res);
+  taos_free_result((void *)res);
 
   return JNI_SUCCESS;
 }
@@ -491,7 +491,7 @@ JNIEXPORT jint JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_fetchRowImp(JNIEn
                numOfFields);
       return JNI_FETCH_END;
     } else {
-      jniDebug("jobj:%p, conn:%p, interrupted query", jobj, tscon);
+      jniDebug("jobj:%p, conn:%p, interrupted query. fetch row error code: %d, msg:%s", jobj, tscon, code, taos_errstr(result));
       return JNI_RESULT_SET_NULL;
     }
   }
@@ -587,7 +587,7 @@ JNIEXPORT jint JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_fetchBlockImp(JNI
                numOfFields);
       return JNI_FETCH_END;
     } else {
-      jniDebug("jobj:%p, conn:%p, query interrupted", jobj, tscon);
+      jniError("jobj:%p, conn:%p, query interrupted. fetch block error code:%d, msg:%s", jobj, tscon, code, taos_errstr(tres));
       return JNI_RESULT_SET_NULL;
     }
   }
-- 
GitLab