dumpling -L save logs in a directory without permission, error should be show in stderr #61100
Description
Bug Report
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dumpling -h 10.x.x.3 -P 4913 -u root -t 16 -r 200000 -F 256MiB -T test.test0407 -o /home/tidb/0411/ -L /home/dump.log
When using the dumpling tool and specifying the -L option to save logs into a directory without permission, no error is reported and no log file is generated.
[tidb@ home]$ ll -d /home
drwxr-xr-x 9 root root 4096 Jun 21 2023 /home
[tidb@ home]$ touch dump.log
touch: cannot touch ‘dump.log’: Permission denied
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3. What did you see instead (Required)
4. What is your TiDB version? (Required)
master