* Fix #2546

* Change the stackdepth type

* Fix bug

* Fix CI failed

* fix #2599

* fix ci

* add license

* add ActiveTag error methods

* fix

* fix

* fix doc

* update doc

* update dependencyManagement

* fix

Add the second QQ group number.

* sync ui.

* update

* Fix #2546

* Rename metric to metrics.

* Fixed test case execute failure issues.

* clean up unnecessary times(1) for test verify

* format code

* fix checkstyle

fix doc_Trace Data Protocol v2_error #2620

* Using PowerMockito rathen then using reflection to mock System.getent;

* Run Test

* Trigger CI only on the master

* fix

* revert status interceptor.

* Add catch clause more details.

* Update SkyWalkingAgent.java

Add lizhi.fm to user list

2. Add unit tests for cluster-zookeeper-plugin;
3. Add unit tests for cluster-kubernetes-plugin;

spelling

Version badge udpate

* Try to open multiple jdk and os

* Open windows and set language java.

* Fix wrong setting.

* Remove the os version.

* Support byte[] value for Jedis Plugin

* When the type of key is byte[], only the method name is recorded.

* Introduce new profile in release

* Fix a missing change.

* Fix wrong profile name.

* Move submodule plugin.

* Always auto-submodule

* [maven-release-plugin] prepare release v6.1.0

* [maven-release-plugin] prepare for next development iteration

* Change keys location.

* Fix #2546

* Change the stackdepth type

* Fix bug

* Fix CI failed

* Fix bug about match query.

* Update UI and alarm query

* Fix style

* Fix NPE.