Merge pull request #18848 from taosdata/fix/exHandleMemleak

fix: exhandle mem leak

source/libs/transport/src/transCli.c

@@ -589,6 +589,7 @@ static void addConnToPool(void* pool, SCliConn* conn) {
 }
 static int32_t allocConnRef(SCliConn* conn, bool update) {
   if (update) {
+    transReleaseExHandle(transGetRefMgt(), conn->refId);
     transRemoveExHandle(transGetRefMgt(), conn->refId);
     conn->refId = -1;
   }
@@ -697,6 +698,7 @@ static void cliDestroyConn(SCliConn* conn, bool clear) {
   tTrace("%s conn %p remove from conn pool", CONN_GET_INST_LABEL(conn), conn);
   QUEUE_REMOVE(&conn->q);
   QUEUE_INIT(&conn->q);
+  transReleaseExHandle(transGetRefMgt(), conn->refId);
   transRemoveExHandle(transGetRefMgt(), conn->refId);
   conn->refId = -1;
 
@@ -731,6 +733,7 @@ static void cliDestroy(uv_handle_t* handle) {
     conn->timer = NULL;
   }
 
+  transReleaseExHandle(transGetRefMgt(), conn->refId);
   transRemoveExHandle(transGetRefMgt(), conn->refId);
   taosMemoryFree(conn->ip);
   taosMemoryFree(conn->stream);