Co-authored-by: 吴晟 Wu Sheng <wu.sheng@foxmail.com>

* support build single module

* enforce maven version must greater than 3.6

* update build doc to support maven3.6+

* Parse tls mode from als
Signed-off-by: NGao Hongtao <hanahmily@gmail.com>

* Polish code
Signed-off-by: NGao Hongtao <hanahmily@gmail.com>

Co-authored-by: 吴晟 Wu Sheng <wu.sheng@foxmail.com>

* Move spring webflux into optional plugin

* Fix compile check

* Fix check style

* Adjust code

* add docs

* Update docs/en/setup/service-agent/java-agent/README.md
Co-authored-by: 吴晟 Wu Sheng <wu.sheng@foxmail.com>

* fix the E2E bug when running locally with multiple `docker-compose.yml` files #5443

* add documents for the for local remote debugging.
Co-authored-by: Nkezhenxu94 <kezhenxu94@apache.org>

* Support SSL for prometheus telemetry and prometheus fetcher
* Documents
* Clear up abandunt dependencies
* Update license
Signed-off-by: NGao Hongtao <hanahmily@gmail.com>
Co-authored-by: 吴晟 Wu Sheng <wu.sheng@foxmail.com>

* support http api

* distinct the number of metrics or common record index with super dataset index.

Add an example to present how to integrate skywalking and istio als.

* Save some error trace segment, event this segment abandoned by server side trace sampling mechanism.
* Support forceSaveErrorSegment config to control force save some error segment.
Co-authored-by: Necho <zifeihan@foxmail.com>
Co-authored-by: 吴晟 Wu Sheng <wu.sheng@foxmail.com>

Co-authored-by: 吴晟 Wu Sheng <wu.sheng@foxmail.com>

Co-authored-by: Nkezhenxu94 <kezhenxu94@apache.org>
Co-authored-by: 吴晟 Wu Sheng <wu.sheng@foxmail.com>

* plugin test with jdk14

* introduce jdk14 container

* remove docker:build

* remove BUILD_NO and introduct image_version

* Update docs/en/guides/Plugin-test.md
Co-authored-by: Nkezhenxu94 <kezhenxu94@163.com>
Co-authored-by: 吴晟 Wu Sheng <wu.sheng@foxmail.com>
Co-authored-by: Nkezhenxu94 <kezhenxu94@apache.org>
Co-authored-by: Nkezhenxu94 <kezhenxu94@163.com>