* Provide Avro plugin
* provide testcase for avro-plugin
Co-authored-by: Nkezhenxu94 <kezhenxu94@163.com>

* feat: add support plugin of mongodb v3.6.x

* update support-version.list

* update Supported-list.md

* update Supported-list.md

* Add witness class for v3.6

* update plugins-test.yaml
Co-authored-by: Nzhang-wei <pknfe@outlook.com>
Co-authored-by: 吴晟 Wu Sheng <wu.sheng@foxmail.com>
Co-authored-by: NWeiyi Liu <liuweiyi@cmss.chinamobile.com>

* Kotlin coroutine plugin write in Java
Co-authored-by: 吴晟 Wu Sheng <wu.sheng@foxmail.com>

* update elasticsearch-7.x agent support version.

* update supported-list.md doc & plugins-test.yaml

* [test/plugin] immigrate test activemq scenario.
Co-authored-by: 吴晟 Wu Sheng <wu.sheng@foxmail.com>

* Add play-scenario

* Set play plugin as default
Co-authored-by: 吴晟 Wu Sheng <wu.sheng@foxmail.com>
Co-authored-by: NWeiyi Liu <liuweiyi@cmss.chinamobile.com>

* Move Webflux plugin into default list.

* Fix a typo.

* 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>

* 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

* [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 es7.x plugin test support version.

* update Supported-list.md and action config.

* 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.

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

* 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 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

* support ehcache 2.x

* Add pulsar apm plugin.

* Fix check style

* Fix pulsar consumer component define.

* Add pulsar to component-libraries.yml

* Fix error interceptor class.

* Add pulsar to agent support list.

* Add Pulsar to ComponentsDefine and component-libraries.yml

* Move create entry span log of consumer from after method to before method

* Fix send callback issue when exception cause.

* Fix test issues

* Move pulsar plugin to optional plugins

* Add none messages tests for interceptor of producer and consumer.

* Remove unused comments.

* Move pulsar plugin back to the apm-sdk-plugin

* Fix comments

* remove set startTime for entry span(default is set by System.currentTimeMillis)

* Fix comments

* Add Light4J 1.6.x plug-in

* Add unit test for Light4J plug-in

* Add missing id to server-starter

* Remove mentions of version 1.6.x

Some local testing showed that the plugin successfully generated traces for a light4j project built with light-codegen v2.x. Therefore, there is no need for a separate plugin for v2.x and no distinction needs to be made with light4j v1.6.x.

* Update supported light4j versions

* Use ContextSnapshot to maintain trace

In a typical Light4j project, the ExceptionHandler#handleRequest is the asynchronous execution point. The flow is ExceptionHandler#handleRequest -> HttpServerExchange#dispatch -> ... -> ExceptionHandler#handleRequest. This means that handleRequest is being intercepted twice and each time a LocalSpan is created. Without handling thread propagation, the trace segment gets split up.

By saving a ContextSnapshot into the enhanced object (ExceptionHandler), we can determine if it is necessary to continue the segment.

* Update logic for span creation in trace

By default, the Light4J plugin now overrides the Undertow plugin's entry span with its own. This new entry span is created just before execution of the ExceptionHandler#handleRequest in the I/O thread. The entry span is generated here because it is considered the starting point of the Light4J handler chain.

There is now also the option to enable detailed span creation when tracing requests through Light4J. These local spans mark which middleware and business handlers are involved with handling the HTTP request to a Light4J service.

* Update skywalking version

* Update light4j version

* Fix LightInstrumentation javadoc

* Remove import violating checkstyle

This import was added from the link reference in the javadoc. The javadoc has now been changed to just reference the method name.

* Move light4j agent config property

* Sync UI

* add cassandra java driver 3.x plugin

* Fix the zookeeper plugin has many nodes in the cluster case

* support version

* Support play 2.x 

* spring_async_plugin

* fix

* fix

* fix

* fix

* format fix

* rename

* fix

* fix version

* Update SWCallable.java

* Update Supported-list.md

* Update Supported-list.md

* restore solrj-plugin

* restore solrj-plugin

* Revert SolrJ plugin.

* Remove an unexpected test case.

* Revert "Remove an unexpected test case."

This reverts commit 359990e18b0c0ae1a6e1005ff985bf237ec05619.

* Clear context.

* Fix a leak.

* new branch for solrj-plugin

* rollback and add module solrj-plugin

* preparing to pr

* to resolve reviewers' suggestions

* remove unused code

* remove unused code

* remove unused comments

* To avoid NPE

* fix typo

* Change to JRE6

* fix pom.xml merge incorrectly. and java.net.URL instead of Regex

* Using RuntimeContext instead of ThreadLocal

* To reduce unnecessary tags

* add test cases

* fix validation fail

* add solrj-plugin into component-libraries & Supported-list

* to trace all patch to avoid recheck status of span

* remove unnecessary properites

* remove unnecessary tags

* Add the config to document of setup

* merge

* merge

* Provide plugin for ShardingSphere (#2699)

* Provide plugin for ShardingSphere (#2699)

* Provide plugin for ShardingSphere (#2699)

* adjust package name (#2699)

* fix mvnw (#2699)

* revert files access permission from 644 to 755

* change the access permission from 644 to 755

* change files access permission from 644 to 755

* revert all no changes files

* feat(agent sdk): resteasy plugin

* fix(agent sdk): fix component define

* fix(agent sdk): fix file license

* fix(agent sdk): fix file license

* docs(agent sdk): add supported list

* fix(agent sdk): fix file license

* fix(agent sdk): fix response error tag

* fix(agent sdk): fix

* fix(agent sdk): adapter 3.5+

* fix(agent sdk): remove unreasonable async handling

* spring cloud gateways plugin

* Provide plugin for ShardingSphere (#1933)

Update all "incubator-skywalking" to "skywalking" ,"incubator-servicecomb-java-chassis" to "servicecomb-java-chassis" correctly, and ".gitmodules" will update at #2531 (#2548)

* vertx plugin impl