尝试修复同步任务大量出错后导致内存使用很大的问题

business/jxutils/tasksch/parallel_task.go

@@ -186,6 +186,5 @@ func (task *ParallelTask) Run() {
 }
 
 func (t *ParallelTask) AddChild(task ITask) ITask {
-	task.SetParent(t)
 	return t.BaseTask.AddChild(task)
 }

business/jxutils/tasksch/sequence_task.go

@@ -69,6 +69,5 @@ func (task *SeqTask) Run() {
 }
 
 func (t *SeqTask) AddChild(task ITask) ITask {
-	task.SetParent(t)
 	return t.BaseTask.AddChild(task)
 }

business/jxutils/tasksch/task.go

@@ -63,6 +63,7 @@ type ITask interface {
 	// GetDetailErrList() []error
 	GetLeafResult() (finishedItemCount, failedItemCount int)
 	AddBatchErr(err error)
+
 	AddFailedList(failedList ...interface{})
 	GetFailedList() (failedList []interface{})
 	SetFinishHook(func(task ITask))
@@ -247,6 +248,8 @@ func (t *BaseTask) GetStatus() int {
 }
 
 func (t *BaseTask) AddChild(task ITask) ITask {
+	task.SetParent(t)
+
 	t.locker.Lock()
 	defer t.locker.Unlock()
 
@@ -368,22 +371,41 @@ func (t *BaseTask) SetFinishHook(hook func(task ITask)) {
 	t.finishHook = hook
 }
 
+// 此函数非线程安全，只能在确定任务结束后调用
 func (t *BaseTask) GetFailedList() (failedList []interface{}) {
-	t.locker.RLock()
-	failedList = append(failedList, t.FailedList...)
-	t.locker.RUnlock()
+	// t.locker.RLock()
+	// failedList = append(failedList, t.FailedList...)
+	// t.locker.RUnlock()
 
-	for _, v := range t.Children {
-		failedList = append(failedList, v.GetFailedList()...)
-	}
-	return failedList
+	// for _, v := range t.Children {
+	// 	failedList = append(failedList, v.GetFailedList()...)
+	// }
+	// return failedList
+
+	// t.locker.RLock()
+	// defer t.locker.RUnlock()
+	// if len(t.FailedList) > 0 {
+	// 	failedList = make([]interface{}, len(t.FailedList))
+	// 	copy(failedList, t.FailedList)
+	// }
+	// return failedList
+
+	return t.FailedList
 }
 
 func (t *BaseTask) AddFailedList(failedList ...interface{}) {
 	if len(failedList) > 0 {
-		t.locker.Lock()
-		defer t.locker.Unlock()
-		t.FailedList = append(t.FailedList, failedList...)
+		// t.locker.Lock()
+		// defer t.locker.Unlock()
+		// t.FailedList = append(t.FailedList, failedList...)
+
+		if t.parent == nil || t.finishHook != nil {
+			t.locker.Lock()
+			defer t.locker.Unlock()
+			t.FailedList = append(t.FailedList, failedList...)
+		} else {
+			t.parent.AddFailedList(failedList...)
+		}
 	}
 }