* Move lettuce into default plugin

* Fix maven pom

* zookeeper test

* update expected data file

* fix review code

* fixed

* bugfix

* update version

* fix bug

* fix
Co-authored-by: Nzhang-wei <pknfe@outlook.com>
Co-authored-by: 吴晟 Wu Sheng <wu.sheng@foxmail.com>

* Update JDK compiling level to 8, and remove zip dist.

* Exclude annotation and shade API.

* Fix more exclusion.

* 1. Update grava and gson 2. Fix compile issue. 3. Keep protoc and maven plugin in old version. Some incompatible of 3rd party grpc proto.

* Fix dependency conflicts, license and notice issue, and dependency check script issue
Co-authored-by: Nkezhenxu94 <kezhenxu94@163.com>

* servicecomb scenario

* Add Java Agent for Apache HttpClient 3.x

* Update Supported-list.md

* Update pom.xml

* webflux-reactive

* add support version comment, modify gateway

* add test case, modify name

* add docs

* remove healthCheck

* Add Java agent plugin for Jdk Threading

* Fix expected data according to changes in master

* Update agent.config

* Fix failed plugin test

* Remove the local span and exit span register mechanism in Java agent scenario.

* Fix config, plugin, and document, as exit span is not required register anymore.

* Try to fix the test case expected data due to no register for exit span.

* Fix toolkit case.

* Remove exit span from plugin test framework document.

* Update protocol, FAQ, and CHANGELOG documents to highlight this change.

* Fix NPE when no entry span in the whole segment. Set endpoint to null in segment entity.

* Fix the snapshot and add inexistence operation name id.

* Fix several async cases.

* Fix undertow test case.

* Fix wrong error log name.

* Keep name consistent with 6.x concepts.

* Try to fix 3 async scenarios.

* Fix okhttp case.

* Fix Spring Async case.

* Fix another NPE

* Fix NPE when first span has no endpoint id when it is local or exit span.

* Still fill first operation name when no endpoint id.

* Fixes: README.md

* Adds: new FAQ

See issues #3924, #3935, #3975

* Fixes: setup documentation

* Update README.md

* [test/plugin] immigrate test cassandra scenario.

* update support list doc.

* delete space error.

* disable jmx report.

* remove jmx dependence.

* Disable jmx report.

* Update support list doc.

update the consul cluster agents description .

* dispatcher

* getServiceInstanceTopology implementation

* CacheUpdateTimer

* fix compilation failure

* fix compilation failure

* fix esDao

* Update dao list

* dispatcher

* getServiceInstanceTopology implementation

* CacheUpdateTimer

* fix compilation failure

* fix compilation failure

* fix esDao

* Update dao list

* test e2e

* add official_analysis.oal & update getServiceInstanceTopology

* test instance topo for single service

* fix gql

* fix verifyServiceInstances

* verifyServiceInstanceTopo

* fix verifyServiceInstanceTopo

* fix ServiceInstanceInventory#name

* fix ServiceInstanceInventory#name

* e2e test

* fix action

* fix provider port

* fix Instance Node Type

* re run

* fix expected-data

* add e2e mysql

* set @test timeout

* fix ci

* increase timeout

* re check

* test ttl es7

* test ttl

* fix action

* merge group

* test ttl es7

* replace official_analysis.oal

* replace official_analysis.oal

* comments

* add TODO

* add TODO

* fix filed name

Add instructions for logback configuration with logstash, use custom
json format

* update es7.x plugin test support version.

* update Supported-list.md and action config.

Fix official_analysis.oal url path at README.md

* Add apdex function to OAL

* Add empty line

* Setup config watcher

* Add identifier type to function parameter

* Add config test

* Update score algorithm

* Replace responseCode with status

* Add comments about apdex score algorithm

* Add docs

* Add e2e test case

* Update test case

* Fix disptch class generating error

* Update value name of apdex metric

* Tuning threshold

* Fix single tolerated point bug

* set up CI-IT action and Split Plugin-Tests

* update

* Update README.md

logging.dir 's Description is an Error .Default value is not System.out. It is a dir.

* Immigrate tests okhttp scenario

* Fix Header.

* Fix license Header.

* Modify code follow the reivew suggestions.

* Fix expected.xml

* Restore the missed config

* Update okhttp elapsed time.

* Update total time for Group1.

* Fix the missed operationNames.

* [Feature] Officially support ElasticSearch 7 as backend storage

* Extract bootstrap module to be shared by multiple starters

* Add missing configuration file and distinguish different version in test

* Update known-oap-backend-dependencies-es7.txt

Update the dependency lib

* Fix missing adaptation to ElasticSearch 7

* Rename ElasticSearch 7 specific class with Es7 infix

* Fix miss-adapted ElasticSearch DAO API

* Add ES7 specific configuration and polish documentations

* Polish documentations

* Polish documentations

Add java agent deployment document for skywalking with jetty

* [test/plugin] immigrate test hystrix scenario.

* change package name.

* add start script.

* plugin code

* NPE FIX

* [test/plugin] add elasticsearch 7.x plugin test scenario.

* refresh index, make can search.

* remove unused package.

* update supported framework document.

* fix service name repeat.

* Rabbitmq plugin e2e test migration

* 3753-code review fixes

* 3753-test-case-improvements

* Update pom.xml

Remove the repo addresses.

* Update Plugin-test.md

* immigrate test feign scenario.

* add license.

* update use test skeleton.

* delete repeat spring-boot starter dependence.

* add support-list version.

* Add elasticsearch 6.x plugin & elasticsearch 6.x test scenario

* move FILTER_LENGTH_LIMIT

* fix checkstyle

* jedis scenario

* update doc

* fix archetypes

* fix log4j