yangyichao-mango opened a new pull request #2965:
URL: https://github.com/apache/incubator-dolphinscheduler/pull/2965
## What is the purpose of the pull request
*Add exitVal judge in OSUtils.exeCmd.*
*Init task logger before init TaskExecuteThread and pass the `taskLogger` in
to TaskExecuteThread init method as parameter, so we can record the user and
work dir creating log to task instance log, and user can read this log in
front-end WebUI.*
## Brief change log
- *Add create user judge to FileUtils.*
- *Add `taskLogger` parameter to TaskExecuteThread.*
- *Add three log utils to LoggerUtils.*
- *Init task logger before create initing TaskExecuteThread, and init task
logger process to TaskExecuteProcessor.*
## Verify this pull request
This pull request is code cleanup without any test coverage.
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