n8n Error Report to Line
工作流概述
这是一个包含5个节点的中等工作流,主要用于自动化处理各种任务。
工作流源代码
{
"id": "ePnGZtZ8zLcf1UZZ",
"meta": {
"instanceId": "558d88703fb65b2d0e44613bc35916258b0f0bf983c5d4730c00c424b77ca36a",
"templateCredsSetupCompleted": true
},
"name": "n8n Error Report to Line",
"tags": [
{
"id": "0xpEHcJjNRRRMtEj",
"name": "lin",
"createdAt": "2025-03-12T05:06:24.112Z",
"updatedAt": "2025-03-12T05:06:24.112Z"
},
{
"id": "U1ozjO3iXQZWUyfG",
"name": "_Blueprint",
"createdAt": "2025-03-12T06:24:40.268Z",
"updatedAt": "2025-03-12T06:24:40.268Z"
}
],
"nodes": [
{
"id": "c45a01a5-289b-4927-8bba-4bb1029a7129",
"name": "Error Trigger",
"type": "n8n-nodes-base.errorTrigger",
"position": [
-240,
-80
],
"parameters": {},
"typeVersion": 1
},
{
"id": "1e3f7a7e-8be4-4fec-973f-befb477e6957",
"name": "HTTP Request",
"type": "n8n-nodes-base.httpRequest",
"position": [
40,
-80
],
"parameters": {
"url": "https://api.line.me/v2/bot/message/push",
"method": "POST",
"options": {},
"jsonBody": "={
\"to\": \"<UID HERE>\",
\"messages\":[
{
\"type\":\"text\",
\"text\":\"🚨Your n8n flow is dead.🚨\n\nName: {{ $json.workflow.name }} \nURL: {{ $json.execution.url }}\"
}
]
}",
"sendBody": true,
"specifyBody": "json",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth"
},
"credentials": {
"httpHeaderAuth": {
"id": "lKd3b2nc8uNJ148Z",
"name": "Line @271dudsw MiniBear"
}
},
"typeVersion": 4.2
},
{
"id": "5bcf04cc-2c3e-4e37-a134-fcc42326afc3",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
-340,
-400
],
"parameters": {
"width": 660,
"content": "## Error Handling
You can set this workflow as error workflow
https://docs.n8n.io/flow-logic/error-handling/#create-and-set-an-error-workflow"
},
"typeVersion": 1
},
{
"id": "22b66275-e111-45c8-b7bc-b6c03b55fd02",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-300,
-220
],
"parameters": {
"color": 5,
"height": 300,
"content": "## Error Trigger
This flow will get trigger when the error occur. You can set only one error flow for all your flows.
"
},
"typeVersion": 1
},
{
"id": "5a2c1b3b-2546-47e6-bb9f-b9b8d7c63d65",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
-40,
-220
],
"parameters": {
"color": 4,
"width": 320,
"height": 300,
"content": "## Send Line Message
To send message to notify you via Line Account -- Please replace <UID HERE> with your own UID
"
},
"typeVersion": 1
}
],
"active": false,
"pinData": {},
"settings": {
"executionOrder": "v1"
},
"versionId": "4a774ee1-96b8-4a81-858d-6c5b0d24ba03",
"connections": {
"Error Trigger": {
"main": [
[
{
"node": "HTTP Request",
"type": "main",
"index": 0
}
]
]
}
}
}
功能特点
- 自动检测新邮件
- AI智能内容分析
- 自定义分类规则
- 批量处理能力
- 详细的处理日志
技术分析
节点类型及作用
- Errortrigger
- Httprequest
- Stickynote
复杂度评估
配置难度:
维护难度:
扩展性:
实施指南
前置条件
- 有效的Gmail账户
- n8n平台访问权限
- Google API凭证
- AI分类服务订阅
配置步骤
- 在n8n中导入工作流JSON文件
- 配置Gmail节点的认证信息
- 设置AI分类器的API密钥
- 自定义分类规则和标签映射
- 测试工作流执行
- 配置定时触发器(可选)
关键参数
| 参数名称 | 默认值 | 说明 |
|---|---|---|
| maxEmails | 50 | 单次处理的最大邮件数量 |
| confidenceThreshold | 0.8 | 分类置信度阈值 |
| autoLabel | true | 是否自动添加标签 |
最佳实践
优化建议
- 定期更新AI分类模型以提高准确性
- 根据邮件量调整处理批次大小
- 设置合理的分类置信度阈值
- 定期清理过期的分类规则
安全注意事项
- 妥善保管API密钥和认证信息
- 限制工作流的访问权限
- 定期审查处理日志
- 启用双因素认证保护Gmail账户
性能优化
- 使用增量处理减少重复工作
- 缓存频繁访问的数据
- 并行处理多个邮件分类任务
- 监控系统资源使用情况
故障排除
常见问题
邮件未被正确分类
检查AI分类器的置信度阈值设置,适当降低阈值或更新训练数据。
Gmail认证失败
确认Google API凭证有效且具有正确的权限范围,重新进行OAuth授权。
调试技巧
- 启用详细日志记录查看每个步骤的执行情况
- 使用测试邮件验证分类逻辑
- 检查网络连接和API服务状态
- 逐步执行工作流定位问题节点
错误处理
工作流包含以下错误处理机制:
- 网络超时自动重试(最多3次)
- API错误记录和告警
- 处理失败邮件的隔离机制
- 异常情况下的回滚操作