* [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

* provide archetypes for testcase

* merge undertow scenario

* update elapsed time

* add SupplierWrapper to support java 1.8+
Signed-off-by: Nshixiang <xiang.shi001@bkjk.com>

* add SupplierWrapper to support java 1.8+
Signed-off-by: Nshixiang <xiang.shi001@bkjk.com>

* Update SupplierWrapper.java

add new line

* add supplier

* add supplier test

* add test

* add test yaml

* Update Application-toolkit-trace-cross-thread.md

Add how to use SupplierWrapper in Java 1.8+

* Add SkyWalking plugin test framework doc

* Remove Chinese.

* Add a description to the env variable, CASE_SERVER_IMAGE_VERSION

* Fix typo

* Change paragraph structure.

* Add postgresql agent sql query param show

* Update scope-definitions.md

* Update Jenkinsfile

Bring zhaopin.com to the powered by page

* feat: add support of mongodb v3.7.x or higher

* feat: remove mapping, using EnhancedInstance to mark remotePeer

* feat: add support of v3.6.x

* fix: disable support will 3.6.x, which will throw ClassCircularityError exception

* style: clean code

* fix support of 3.8.x~3.11.1, update test case and doc

* update stage name

* rename class

* rename stage

* Add register persistent worker latency metrics  #3671

* remove never thrown exception on Time#close()
add panel to mesh-mode-grafana.json

* remove never thrown exception on Time#close()
add panel to mesh-mode-grafana.json

* add plugin netty-socketio https://github.com/mrniko/netty-socketio

* delete create exit span interceptor.

* delete create exit span interceptor testcase.

* delete create exit span interceptor testcase.

* add constructor test unit

* change bind on random port in test case

* reverse upstream master whitespace

* resolve build_id param

* delete health check segment test case

* add ContextManager.isActive check before use activeSpan invoke

* remove unnecessary code and blank line

* feat: add test case for mongodb-3.x-plugin

* fix: agent-test script error

* feat: change non-compliant code

* fix: remove not proper config

* docs: update docs

* Merge branch 'master' of https://github.com/apache/skywalking into mongodb-testcase

# Conflicts:
#	Jenkinsfile-Agent-Test-3

* Makes the scope of alarm information more semantic.

* update md.

* update md.

* add ruleName in AlarmMsg.

* update md.

* update test case.

* fix coveralls.

* fix coveralls.

* fix ci.

* Update istio docs according latest istio release

* Rename skywalingadapter.yml to skywalkingadapter.yml

Rename typo file name.

* Update README.md

Add a link to doc.

* Update README.md

* Polish doc, remove old OAL description.

* Add a new use case.

* Add 360金融 to powered-by.md

* Update powered-by.md

Changr order.

Remove duplicated doc, we have a more clear one now.

* Is it a typo or not?

* delete datasource-settings.properties

* handle 'metadataQueryMaxSize'

* delete DynamicModuleConfig.java

* modify mysql config

* parsing yaml to support the configuration for multiple properties

* delete datasource-settings.properties

* modify doc

* add properties for docker-entrypoint.sh

* add testLoadConfig()

* upd powered-by.md

* Update powered-by.md

Change order only.

* add faq with es.

* Update README.md

* support ehcache 2.x

* Support namespace in Nacos cluster/configuration

* Give Nacos default namespace as per config/registry