* [Improvement][ALL] Remove some un-used code and code review #3639

* [Improvement][ALL] Remove some un-used code and code review #3639

* [Improvement][ALL] Remove some un-used code and code review #3639

* [Improvement][ALL] Remove some un-used code and code review

* [Improvement][ALL] Remove some un-used code and code review

* [Improvement][ALL] Remove some un-used code and code review

* [Improvement][common] Add UnsupportedOperationException for utils construct

* Fix checkstyle

* [refactor][server-test] refactor RoundRobinHostManagerTest

* add RoundRobinHostManagerTest

* format code

* format code

[Improvement][install,start-all,stop-all] start- all.sh and stop- all.sh After execution, you can view the running status of each node and service. #3619 (#3627)

* start- all.sh and stop- all.sh After execution, you can view the running status of each node and service.

* ds server state check.

Co-authored-by: N李庆忠 <liqingzhong@inspur.com>

[Fix-3607][ui] Fix version control online process definition editable

[Feature-2753][ui]batch copy or move process

* Add task connection 

* Optimize test cases
 

* Modify variable format
 
 

* Optimize test cases
 

* Update BrowserCommon.java

* Update BrowserCommon.java

* Update WorkflowDefineLocator.java

* Optimize waiting time
 

* Optimize wait time
 

* Optimize wait time
 

* Optimize wait time
 

* Optimize wait time
 

* Optimize wait time
 

* Optimize wait time
 

* Optimize wait time
 

* Optimize wait time
 

* Optimize wait time
 

* Optimize project wait time
 

* Optimize wait time
 

* Optimize wait time
 

* open timing testcase 

* Optimize wait time
 

* Optimize wait time
 

* Optimize wait time
 

* Optimize wait time
 

* Optimize wait time
 

* Optimize wait time
 
Co-authored-by: chenxingchun <438044805@qq.com>

[fixBug-3589][ui]Fix too many resource selections and cannot be displ…

[fix-3553][ui]Repair click workflow connection, select the entire path

* feature batch activate user

* fix sonalcloud problem and code style problem

* fix code style problem

* fix sonar cloud problem

* fix sonar cloud problem

* fix sonar cloud problem

Co-authored-by: dev_sky <dev_sky@740051880@qq.com>

* server model ProcessUtils.java code cleaning.

* add checkstyle,server model ProcessUtils.java code cleaning.

* ProcessUtils.java checkstyle.

* update.

* update.
Co-authored-by: Nunknown <zhuangchong-phq@sinosig.com>

* #3299  Json string parsing problem caused by non-standard json format.

* #3299  Json string parsing problem caused by non-standard json format.

* #3299  Json string parsing problem caused by non-standard json format. fix  code style

* #3299  Json string parsing problem caused by non-standard json format. fix  code style

* Optimize alarm information

* fix code style

* add license

* fix code smell

* Update dolphinscheduler-alert/src/main/java/org/apache/dolphinscheduler/alert/utils/EnterpriseWeChatUtils.java
Co-authored-by: NYichao Yang <1048262223@qq.com>

* fix code smell

* fix code smell

* 修改ut 和replace问题。

* 修改ut
Co-authored-by: Nwangjianda <Felix@thinkingdata.com>
Co-authored-by: NYichao Yang <1048262223@qq.com>

* [Improvement-3556] remove unnecessary try catch, and do the unittest to full coverage.

* [Improvement-3556] add REQUEST_PARAMS_NOT_VALID_ERROR res when param is not valid

* [fix-3548] Monitor gauge chart display blank with same pid
Co-authored-by: Nwanggang <wanggy01@servyou.com.cn>

* [Improvement][remote] improvement netty eventLoopGroup
If you are running on linux you can use EpollEventLoopGroup and so get better performance, less GC and have more advanced features that are only available on linux.

* reformat code

* utility classes should not have public constructors

* reformat code

* reformat code

* reformat code

* add test

* code style

* add test

* add test

* fix test error

* add test

* test

* test

* add test config

* add test config

* [Feature][api] Workflow version control

* Update messages.properties

* Update messages_en_US.properties

* Update messages_zh_CN.properties

* [Improvement][api] Introduce tenant service interface for clear code

* Checkstyle

* Checkstyle

* Add task connection 

* Optimize test cases
 

* Modify variable format
 
 

* Optimize test cases
 

* Update BrowserCommon.java

* Update BrowserCommon.java

* Update WorkflowDefineLocator.java

* Optimize waiting time
 

* Optimize wait time
 

* Optimize wait time
 

* Optimize wait time
 

* Optimize wait time
 

* Optimize wait time
 

* Optimize wait time
 

* Optimize wait time
 

* Optimize wait time
 

* Optimize wait time
 

* Optimize project wait time
 

* Optimize wait time
 

* Optimize wait time
 
Co-authored-by: chenxingchun <438044805@qq.com>

* Fixed this bug "multiple threads creating folders will result in multiple identical folders" #3487

* 1. Improvement `DataSourceServiceTest` #3558
2. Get rid of some useless arguments to functions in the `DataSourceService` class

* The rollback `ResourceService.java`

* The rollback `ResourceService.java`

* The rollback `ResourceService.java`

* 1.Modify code styles.
2.Make improvement according to Yichao Yang's advice. Thank you very much for guidance.@Yichao Yang

* Modify code styles.

* Circumventing the checkConnection problem

* Modify code styles.