提问参考模版：
- nebula 版本：2.0.1
- 部署方式（分布式 / 单机 / Docker / DBaaS）：单机
- 问题的具体描述
- 相关的 meta / storage / graph info 日志信息
用importer导入数据，只有两种vertex，提示错误
2021/04/17 15:16:37 --- START OF NEBULA IMPORTER ---
2021/04/17 15:16:37 [INFO] config.go:404: files[0].schema.vertex is nil
2021/04/17 15:16:37 [INFO] config.go:404: files[1].schema.vertex is nil
2021/04/17 15:16:42 [INFO] connection_pool.go:74: [nebula-clients] connection pool is initialized successfully
2021/04/17 15:16:42 [INFO] clientmgr.go:28: Create 10 Nebula Graph clients
2021/04/17 15:16:42 [ERROR] session.go:57: [nebula-clients] Error info: read tcp 192.168.88.52:52202->106.86.152.144:33136: use of closed network connection
2021/04/17 15:16:42 [ERROR] clientpool.go:148: Client(0) fails to execute commands (USE `tcy2021`;), error: read tcp 192.168.88.52:52202->106.86.152.144:33136: use of closed network connection
2021/04/17 15:16:42 [ERROR] session.go:57: [nebula-clients] Error info: read tcp 192.168.88.52:52204->106.86.152.144:33136: use of closed network connection
2021/04/17 15:16:42 [ERROR] clientpool.go:148: Client(6) fails to execute commands (USE `tcy2021`;), error: execute failed: out of sequence response
2021/04/17 15:16:42 [ERROR] clientpool.go:148: Client(1) fails to execute commands (USE `tcy2021`;), error: read tcp 192.168.88.52:52204->106.86.152.144:33136: use of closed network connection
2021/04/17 15:16:42 [ERROR] session.go:57: [nebula-clients] Error info: read tcp 192.168.88.52:52206->106.86.152.144:33136: use of closed network connection
2021/04/17 15:16:42 [ERROR] clientpool.go:148: Client(2) fails to execute commands (USE `tcy2021`;), error: read tcp 192.168.88.52:52206->106.86.152.144:33136: use of closed network connection
2021/04/17 15:16:42 [ERROR] session.go:57: [nebula-clients] Error info: read tcp 192.168.88.52:52208->106.86.152.144:33136: use of closed network connection
2021/04/17 15:16:42 [ERROR] clientpool.go:148: Client(3) fails to execute commands (USE `tcy2021`;), error: read tcp 192.168.88.52:52208->106.86.152.144:33136: use of closed network connection
2021/04/17 15:16:42 [ERROR] session.go:57: [nebula-clients] Error info: read tcp 192.168.88.52:52210->106.86.152.144:33136: use of closed network connection
2021/04/17 15:16:42 [ERROR] session.go:57: [nebula-clients] Error info: read tcp 192.168.88.52:52212->106.86.152.144:33136: use of closed network connection
2021/04/17 15:16:42 [ERROR] clientpool.go:148: Client(5) fails to execute commands (USE `tcy2021`;), error: read tcp 192.168.88.52:52212->106.86.152.144:33136: use of closed network connection
2021/04/17 15:16:42 [ERROR] clientpool.go:148: Client(4) fails to execute commands (USE `tcy2021`;), error: read tcp 192.168.88.52:52210->106.86.152.144:33136: use of closed network connection
2021/04/17 15:16:42 [ERROR] clientpool.go:148: Client(7) fails to execute commands (USE `tcy2021`;), error: execute failed: out of sequence response
2021/04/17 15:16:42 [ERROR] session.go:57: [nebula-clients] Error info: read tcp 192.168.88.52:52218->106.86.152.144:33136: use of closed network connection
2021/04/17 15:16:42 [ERROR] session.go:57: [nebula-clients] Error info: read tcp 192.168.88.52:52220->106.86.152.144:33136: use of closed network connection
2021/04/17 15:16:42 [ERROR] clientpool.go:148: Client(8) fails to execute commands (USE `tcy2021`;), error: read tcp 192.168.88.52:52218->106.86.152.144:33136: use of closed network connection
2021/04/17 15:16:42 [ERROR] clientpool.go:148: Client(9) fails to execute commands (USE `tcy2021`;), error: read tcp 192.168.88.52:52220->106.86.152.144:33136: use of closed network connection
2021/04/17 15:16:42 runtime error: invalid memory address or nil pointer dereference
2021/04/17 15:16:43 --- END OF NEBULA IMPORTER ---
问题：
2021/04/17 15:16:37 [INFO] config.go:404: files[0].schema.vertex is nil
2021/04/17 15:16:37 [INFO] config.go:404: files[1].schema.vertex is nil
这个错误是怎么会事啊
import.yaml
----------------
clientSettings:
channelBufferSize: 128
concurrency: 10
connection:
address: 192.168.88.52:9669
password: Wang1980
user: tyc2021
retry: 3
space: tcy2021
description: tyc2021 by xywl2000@163.com
files:
- batchSize: 128
csv:
withHeader: false
withLabel: false
failDataPath: /Users/wangli/App/scrap_tyc2021/src/nebula_import_data/b5dd0422-9f91-11eb-bfd9-f9bf5d0e7ff4_err
inOrder: false
limit: 10
path: /Users/wangli/App/scrap_tyc2021/src/nebula_import_data/b5dd0422-9f91-11eb-bfd9-f9bf5d0e7ff4
schema:
tags:
name: "\u5730\u5740"
props:
- index: 1
name: name
type: string
type: vertex
vertext:
vertex:
vid:
index: 0
type: csv
- batchSize: 128
csv:
withHeader: false
withLabel: false
failDataPath: /Users/wangli/App/scrap_tyc2021/src/nebula_import_data/b5dd0423-9f91-11eb-bfd9-f9bf5d0e7ff4_err
inOrder: false
limit: 10
path: /Users/wangli/App/scrap_tyc2021/src/nebula_import_data/b5dd0423-9f91-11eb-bfd9-f9bf5d0e7ff4
schema:
tags:
name: "\u81EA\u7136\u4EBA"
props:
- index: 1
name: name
type: string
- index: 2
name: card_id
type: string
- index: 3
name: profile
type: string
- index: 4
name: link_update_timestamp
type: datetime
type: vertex
vertext:
vertex:
vid:
index: 0
type: csv
logPath: /Users/wangli/App/scrap_tyc2021/src/nebula_import_data/log
postStart:
afterPeriod: 8s
commands: "UPDATE CONFIGS storage:wal_ttl=3600;UPDATE CONFIGS storage:rocksdb_column_family_options\
\ = { disable_auto_compactions = true };DROP SPACE IF EXISTS tyc2021;CREATE SPACE\
\ IF NOT EXISTS tyc2021(partition_num=5, replica_factor=1, vid_type=FIXED_STRING(10));USE\
\ tyc2021;create tag \u5730\u5740(name string);create tag \u81EA\u7136\u4EBA(name\
\ string,card_id string,profile string,link_update_timestamp datetime);"
preStop:
commands: UPDATE CONFIGS storage:rocksdb_column_family_options = { disable_auto_compactions
= false };UPDATE CONFIGS storage:wal_ttl=86400;
removeTempFiles: false
version: v2