* fix temp push

* update version 5.2.1-SNAPSHOT

* fix test case

* fix jetty version,and fix rest api for dataInfoIds

* fix hashcode test

* fix working to init bug

* fix start task log

* fix Watcher can't get providate data,retry and finally return new

* add data server list api

* add server list api

* remove log

* fix isssue 21

* add query by id function

* fix issue 22

* delay client off process and sync data process to working status

* fix data connet meta error

* fix inject NotifyDataSyncHandler

* fix start log

* add send sub log

* fix subscriber to send log

* bugfix: https://github.com/sofastack/sofa-registry/issues/27

* bugfix: https://github.com/sofastack/sofa-registry/issues/27

* feature: Add monitoring logs https://github.com/sofastack/sofa-registry/issues/29

* feature: Add monitoring logs https://github.com/sofastack/sofa-registry/issues/29
(1) bugfix CommonResponse
(2) format

* bugfix: During meta startup, leader may not register itself https://github.com/sofastack/sofa-registry/issues/30

* bugfix: Sometimes receive "Not leader" response from leader in OnStartingFollowing() https://github.com/sofastack/sofa-registry/issues/31

* temp add

* add renew request

* data snapshot module

* add calculate digest service

* fix word cache clientid

* data renew module

* data renew/expired module

* add renew datuem request

* add WriteDataAcceptor

* session renew/expired module

* 1. bugfix ReNewDatumHandler: getByConnectId -> getOwnByConnectId
2. reactor DatumCache from static to instance

* add blacklist wrapper and filter

* upgrade jraft version to 1.2.5

* blacklist ut

* add clientoff delay time

* bugfix： The timing of snapshot construction is not right

* rename: ReNew -> Renew

* fix blacklist test case

* rename: unpub -> unPub

* add threadSize and queueSize limit

* bugfix: revert SessionRegistry

* fix sub fetch retry all error,and reset datainfoid version

* fix client fast chain breakage data can not be cleaned up”

* (1) remove logback.xml DEBUG level;
(2) dataServerBootstrapConfig rename;
(3) print conf when startup

* update log

* fix update zero version,and fix log

* add clientOffDelayMs default value

* fix clientOffDelayMs

* Task(DatumSnapshot/Pub/UnPub) add retry strategy

* bugfix DataNodeServiceImpl: retryTimes

* (1)cancelDataTaskListener duplicate
(2)bugfix DataNodeServiceImpl and SessionRegistry

* refactor datum version

* add hessian black list

* bugfix: log "retryTimes"

* bugfix DatumLeaseManager:  Consider the situation of connectId lose after data restart； ownConnectId should calculate dynamically

* add jvm blacklist api

* fix file name

* some code optimization

* data：refactor snapshot

* fix jetty version

* bugfix DatumLeaseManager: If in a non-working state, cannot clean up because the renew request cannot be received at this time.

* remove SessionSerialFilterResource

* WriteDataProcessor add TaskEvent log; Cache print task update

* data bugfix: snapshot must notify session

* fix SubscriberPushEmptyTask default implement

* merge new

* fix protect

* 1. When the pub of connectId is 0, no clearance action is triggered.
2. Print map. size regularly
3. Delete the log: "ConnectId (% s) expired, lastRenewTime is% s, pub. size is 0"

* DataNodeExchanger： print but ignore if from renew module, cause renew request is too much

* reduce log of renew

* data bugfix: Data coverage is also allowed when versions are equal. Consistent with session design.

* DatumCache bugfix: Index coverage should be updated after pubMap update

* DatumSnapshotHandler: limit print; do not call dataChangeEventCenter.onChange if no diff

* bugfix unpub npe (pub maybe already clean by DatumLeaseManager)；LIMITED_LIST_SIZE_FOR_PRINT change to 30

* some code refactor

* add code comment

* fix data working to init,and fix empty push version

* consider unpub is isWriteRequest, Reduce Snapshot frequency

* RefreshUpdateTime is at the top, otherwise multiple snapshot can be issued concurrently

* update config: reduce retryTimes, increase delayTime, the purpose is to reduce performance consumption

* put resume() in finally code block, avoid lock leak

* modify renewDatumWheelTaskDelay and datumTimeToLiveSec

* When session receives a connection and generates renew tasks, it randomly delays different times to avoid everyone launching renew at the same time.

* data: add executor for handler
session: bugfix snapshot
session: refactor wheelTimer of renew to add executor

* add get data log

* snapshot and lastUpdateTimestamp: Specific to dataServerIP

* 1. DataServer： RenewDatumHandler must return GenericResponse but not CommonResponse, or else session will class cast exception
2. No need to update timestamp after renew
3. snapshot: Need to specify DataServerIP

* add logs

* 1. dataServer: reduce log of snapshotHandler
2. update logs

* dataServer: renew logic should delay for some time after status is WORKING, cause Data is processed asynchronously after synchronization from other DataServer

* bugfix bean; update log

* ignore renew request log

* fix UT

* fix .travis.yml

* fix version 5.3.0-SNAPSHOT

* fix online notify connect error

* fix push confirm error,and fix datum update version,pub threadpool config,add accesslimit service

* add switch renew and expire

* implement renew enable/disable switch

* fix data client exechange log

* fix datum fetch connect error

* bugfix CacheService: set version zero when first sub and get datum error

* fix clean task for fetch

* bugfix DatumCache: Forget to clean up the index in datumCache.putSnapshot

* fix fetch datum word cache

* fix test case time

* fix test cast

* fix test case

* fix tast case

* fix ut case: StopPushDataSwitchTest

* ut case：renew module

* fix ut case：TempPublisherTest

* bugfix ut case: increase sleep time

* fix ut case：RenewTest

* fix ut case：RenewTest format

* fix pom version

* fix ut case：do not run parallelly