Co-authored-by: hanfei <hanfei@qhc.group>

* Fix mail alert params bug

* Update MailSender.java

* The whole library synchronization document repair

* fix The whole library synchronization document repair

The whole library synchronization document repair

Co-authored-by: huangxp <hxp0618@gmail.com>

Dlink add Flink1.15 docs and migrate documentation to dev branch

Co-authored-by: wenmo <32723967+wenmo@users.noreply.github.com>

* fix:dlink平台详情查看信息对象兼容为null问题

* job history null

* fix:blink域名问题

* } add

* dlink文件问题

* superfluous dir remove
Co-authored-by: songshilian <songshilian@qiangungun.com>

* application.yml

* alert group : alert instance ids null

1. When an alarm instance is deleted, the association in the alarm group is deleted in cascade. (#747)

2. When an alarm occurs, if there is a deleted instance in the alarm group instance id, npe will be reported.

* ADD/update Licenses to file header

* ADD/update Licenses to file header

* add CopyrightUtil

Co-authored-by: godkaikai <32723967+godkaikai@users.noreply.github.com>

Co-authored-by: wenmo <32723967+wenmo@users.noreply.github.com>

Co-authored-by: wenmo <32723967+wenmo@users.noreply.github.com>

* [Feature] Update flink1.14 to flink1.14.5

* [Bug] [dlink-flink] Fix the local operation exception caused by the conflict between the CDC package and the Flink clients package

* [Future] [dlink-flink] Update flink1.15 to flink1.15.1

* select save point restart

* select save point restart

* select save point restart

* pulsar sink : 程序包com.sun.istack.internal不存在

* select save point restart

* select save point restart

* add dlink-connector-pulsar

* replace json resolve
Co-authored-by: fada.yu <fada.yu@zhaopin.com.cn>

Co-authored-by: wenmo <32723967+wenmo@users.noreply.github.com>

* 1.13版本Doris连接，作为来源隐藏会收集到隐藏位置“__DORIS_DELETE_”，读取数据会报错

* build 修改

* doris 连接器版本修改为0.6.6-SNAPSHOT
Co-authored-by: zhaoxiaojiang <zhaoxiaojiang@aliyun.com>

Co-authored-by: wenmo <32723967+wenmo@users.noreply.github.com>

* ADD: move sensitive info(password) from api.

* change package name.

* fix NPE.
Co-authored-by: dzygcc <avadar@qq.com>

Co-authored-by: wenmo <32723967+wenmo@users.noreply.github.com>