* [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

* [FIX_BUG][*]fix sonar bugs
fix assert error(assertions always pass)

* fix assert error(assertions always pass)
insert data should judging the success status

* fix assert error(assertions always pass)

* use AtomicReference<Object> to replace unsafe volatile Object

* use AtomicReference<Object> to replace unsafe volatile Object

* lazy initialization holder class Singleton...

* reformat code
judge database operations

* reformat code
judge database operations

* revert

* use ThreadLocalRandom to build random numbers

* reform code

* fix dao test error

* judge database operations

* Fix javadoc and DataxTaskTest UT error

* Fix UT error
* LoggerServiceTest UT error
* WorkerGroupServiceTest UT error
Modify Host.of()
* Add address NPE check

* Trigger actions rerun

* Try to solve maven VM crash

* Try to solve maven VM crash 1

* Try to solve maven VM crash 2

* Try to solve maven VM crash 3

* 1, master persistent task
2. extract  master and worker communication model

* 1, master persistent task
2. extract  master and worker communication model

* 1, master persistent task
2. extract  master and worker communication model

* add license

* modify javadoc error

* TaskExecutionContext create modify

* buildAckCommand taskInstanceId not set modify

* java doc error modify

* add comment

* ExecutorManager interface add generic type

* add TaskInstanceCacheManager receive Worker report result

* TaskInstance setExecutePath

* add TaskInstanceCacheManager to receive Worker Task result report

* TaskInstanceCacheManager add remove method

* add license

* add dispatcht task method

* AbstractCommandExecutor remove db access

* AbstractCommandExecutor remove db access

* AbstractCommandExecutor remove db access

* AbstractCommandExecutor remove db access

* AbstractCommandExecutor remove db access

* AbstractCommandExecutor remove db access

* AbstractCommandExecutor remove db access

* taskInstanceCache is null ,need load from db

* taskInstanceCache is null ,need load from db

* taskInstanceCache is null ,need load from db

* 1，worker TaskPros use TaskExecutionContext replase
2，Master kill Task , KillTaskProcessor modify

* worker remove db

* ShellTask modify

* master persistence processId and appIds

* master persistence processId and appIds

* master add kill task logic

* master add kill task logic

* master add kill task logic

* javadoc error modify

* Refactor worker (#2000)

* Refactor worker (#2)

* Refactor worker (#1993)

* Refactor worker (#1)

* add TaskResponseProcessor (#1983)

* 1, master persistent task 2. extract  master and worker communication model (#1992)

* 1, master persistent task
2. extract  master and worker communication model

* 1, master persistent task
2. extract  master and worker communication model

* 1, master persistent task
2. extract  master and worker communication model

* add license

* modify javadoc error
Co-authored-by: Nqiaozhanwei <qiaozhanwei@outlook.com>

* updates
Co-authored-by: Nqiaozhanwei <qiaozhanwei@outlook.com>

* TaskExecutionContext create modify (#1994)

* 1, master persistent task
2. extract  master and worker communication model

* 1, master persistent task
2. extract  master and worker communication model

* 1, master persistent task
2. extract  master and worker communication model

* add license

* modify javadoc error

* TaskExecutionContext create modify
Co-authored-by: Nqiaozhanwei <qiaozhanwei@outlook.com>

* updates

* add- register processor
Co-authored-by: Nqiaozhanwei <qiaozhanwei@outlook.com>

* buildAckCommand taskInstanceId not set modify (#2002)

* 1, master persistent task
2. extract  master and worker communication model

* 1, master persistent task
2. extract  master and worker communication model

* 1, master persistent task
2. extract  master and worker communication model

* add license

* modify javadoc error

* TaskExecutionContext create modify

* buildAckCommand taskInstanceId not set modify

* java doc error modify (#2004)

* 1, master persistent task
2. extract  master and worker communication model

* 1, master persistent task
2. extract  master and worker communication model

* 1, master persistent task
2. extract  master and worker communication model

* add license

* modify javadoc error

* TaskExecutionContext create modify

* buildAckCommand taskInstanceId not set modify

* java doc error modify

* add comment (#2006)

* 1, master persistent task
2. extract  master and worker communication model

* 1, master persistent task
2. extract  master and worker communication model

* 1, master persistent task
2. extract  master and worker communication model

* add license

* modify javadoc error

* TaskExecutionContext create modify

* buildAckCommand taskInstanceId not set modify

* java doc error modify

* add comment
Co-authored-by: Nqiaozhanwei <qiaozhanwei@outlook.com>

* 1, master persistent task
2. extract  master and worker communication model

* 1, master persistent task
2. extract  master and worker communication model

* 1, master persistent task
2. extract  master and worker communication model

* add license

* modify javadoc error

* TaskExecutionContext create modify

* buildAckCommand taskInstanceId not set modify

* java doc error modify

* add comment

* 1，remove dolphinscheduler-rpc module  2，add dolphinscheduler-remote module 3，add dolphinscheduler-service module 4，refactor LoggerServer module (#1925)

* 1，remove dolphinscheduler-rpc module
2，add dolphinscheduler-remote module
3，add dolphinscheduler-service module
4，refactor LoggerServer module

* ProcessUtils modify

* Refactor architecture (#1926)

* move version to parent pom

* move version properties to parent pom for easy management

* remove freemarker dependency

* delete CombinedApplicationServer

* #1871 correct spelling

* #1873 some updates for TaskQueueZkImpl

* #1875 remove unused properties in pom

* #1878
1. remove tomcat dependency
2. remove combined_logback.xml in api module
3. format pom.xml for not aligning

* #1885 fix api server startup failure
1. add jsp-2.1 dependency
2. remove jasper-runtime dependency

* add stringutils ut (#1921)

* add stringutils ut

* Newfeature for #1675. (#1908)

Continue to finish the rest works, add the cache feature for dependence,mr,python,sub_process,procedure and shell.

* Add modify user name for process definition (#1919)

* class overrides equals() and should therefore also override hashCode()

* #1862 add modify user in process difinition list

* #1862 add pg-1.2.2 ddl.sql

* modify ScriptRunnerTest

* add updateProessDifinition UT

* modify updateProcessDifinition UT

* modify updateProcessDifinition UT

* modify mysql 1.2.2 ddl.sql&dml.sql

* add scope test to mysql in pom

* modify pg-1.2.2 ddl.sql

* refactor module

* updates
Co-authored-by: Nkhadgarmage <khadgar.mage@outlook.com>
Co-authored-by: Nzhukai <boness@qq.com>
Co-authored-by: NYelli <amarantine@my.com>

* dolphinscheduler-common remove spring (#1931)

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* SpringApplicationContext class title add license (#1932)

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* add license (#1934)

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* move datasource classes to dao module

* fix send4LetterWord bug

* Refactor architecture (#1936)

* move datasource classes to dao module

* fix send4LetterWord bug

* exclude jasper-compiler in case of runtime conflict

* LoggerServiceTest remove ProcessDao (#1944)

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* LoggerServiceTest remove ProcessDao

* exclude jasper-compiler in case of runtime conflict (#1938)

* move datasource classes to dao module

* fix send4LetterWord bug

* exclude jasper-compiler in case of runtime conflict

* DataAnaylysisServiceTest and ProcessDefinitionService modify

* remote module add comment

* OSUtilsTest modify

* add finally block to close channel

* add finally block to close channel (#1951)

* move datasource classes to dao module

* fix send4LetterWord bug

* exclude jasper-compiler in case of runtime conflict

* add finally block to close channel

* refactor log client service

* add sendSync method

* 1，quartz.properties add conf category
2，dolphinscheduler-daemon.sh modify

* dolphinscheduler-binary.xml modify

* add sendAsync method (#1962)

* add sendAsync method

* add sendAsync method

* 1，add sendAsync method
2，refactor LoggerClient

* LogClientService modify
Co-authored-by: NTboy <technoboy@yeah.net>
Co-authored-by: Nkhadgarmage <khadgar.mage@outlook.com>
Co-authored-by: Nzhukai <boness@qq.com>
Co-authored-by: NYelli <amarantine@my.com>

2，refactor LoggerClient

* add sendAsync method

* add sendAsync method