lightning should retry with error "write to tikv with no leader returned" #45673
Description
Bug Report
Please answer these questions before submitting your issue. Thanks!
1. Minimal reproduce step (Required)
import data with lightning
2. What did you expect to see? (Required)
import succeed
3. What did you see instead (Required)
[2023/07/28 13:30:02.226 +00:00] [ERROR] [backend.go:350] ["import failed"] [engineTag=`bsc`.`erc20_transfer`:9] [engineUUID=c73cf392-09cb-52e1-bcc3-310733ed3d12] [retryCnt=0] [takeTime=1m27.176226425s] [error="write to tikv with no leader returned, region '1800720', leader: 0"]
4. What is your TiDB version? (Required)
v7.1.1