* add user

* add user

* FIx NPE in InstanceMetricAlarmAssertWorker

* add heart beat handler to jetty

* add heart beat handler to jetty

* update 5.x grpc version form 1.10 to 1.14 and  Solve the resulting guava and log4j version conflicts

* Specify guava version 20.0

* update parrent pom guava version

* [Agent] Provide plugin for Elasticsearch 5.x

Add [Agent] Elasticsearch transport client plugin

fix component name

add elasticsearch component

add elasticSearch component into component-libraries.yml

* update support list

* update PlainListenableActionFutureInterceptor.java

* fix set span attributes

* clear runtimeContext

* remove extra plugins

* Moves to Maven wrapper to stabilize the version in use

This will ensure those building will have similar experience due to
having a fixed maven version.

* Updates most plugin versions and removes redundant configuration

* Sets up build enforcement for JDK 1.8 until further work occurs

* Add egg component

* add koa component

* Add egg component

* add koa component

* Update InstanceReferenceMetricAlarmAssertWorker.java

增加osInfo 判空

* Update InstanceReferenceMetricAlarmAssertWorker.java

增加osinfo 判空

* 优化代码结构,减少不必要的计算,节省计算资源

* 优化代码结构,减少不必要的计算,节省计算资源

* 优化代码结构,减少不必要的计算,节省计算资源

* 优化代码结构,减少不必要的计算,节省计算资源

* Use annotation to instead of definition file.

* add activemq-plugin

* fix  update ActiveMQConsumerInstrumentation Enhance another class

* refacor ActiveMQConsumerInstrumentation code

* support both  topic and queue

* clear the code

* add UnitTest add fix bug

* fix obtain url  bug

* Refactor the ActiveMQProducerInstrumentation code

* fix bug

* fix ConstructorInterceptor BUG

* add Licensed

* Update application.yml

Restore configuration

* Restore configuration

* perfect test

* fix

* fix License

* fix  Project Files

* fix import class in instrumentation

* fix test case

* fix java doc

* fix  Trigger CI

* fix ActiveMQConsumerAndProducerConstructorInterceptorTest

* delete unit test

* fix

* fix

* fix  folder directory problem

* Delete ActiveMQConsumerInstrumentation.java

* add activemq-plugin

* fix  update ActiveMQConsumerInstrumentation Enhance another class

* refacor ActiveMQConsumerInstrumentation code

* support both  topic and queue

* clear the code

* add UnitTest add fix bug

* fix obtain url  bug

* Refactor the ActiveMQProducerInstrumentation code

* fix bug

* fix ConstructorInterceptor BUG

* add Licensed

* Update application.yml

Restore configuration

* Restore configuration

* perfect test

* fix

* fix License

* fix  Project Files

* fix import class in instrumentation

* fix test case

* fix java doc

* fix  Trigger CI

* fix ActiveMQConsumerAndProducerConstructorInterceptorTest

* delete unit test

* fix

* fix

* fix  folder directory problem

* Delete ActiveMQConsumerInstrumentation.java

* Storage and Persistence.

* Storage config.

* Fixed the CI failure.

resolve the Integer overflow,convert the value to Long type

* add gzip support

* add gzip support

@lemon @ascrutae I change the proto file path for preparing 6.0, but didn't change .net namespace. But I think if you sync the protocol submodule, you still need some changes.

* Change version 

* Cluster module implementation finished.

Fixed the bug of the result of GC count in query of GC trend service always 0.

Error rate alarm is not triggered

* #1405
Add application id into service metric for the page jump from overview page to service page.

* Fixed test case error.

* Fixed the wrong usage of elasticsearch filter.

* #1393

The array data type of service name column are nested. Change the data type to be just a one-dimensional array.

* #1207

Return true when segment parse throw exception to avoid parse the segment over and over again which read from buffer file.

* no message

* #1202

1. Determine the log is enabled for the DEBUG level before printing message.
2. Make the columns initialize to be static attribute.
3. Topology build optimize: Cache query result to avoid repeating queries.

* #1202

Add elasticsearch batch process setting into application.yml.

* #1202

Fixed check style error.

* #1202

Use XContentFactory to build source to insert into elasticsearch.

* support shardingjdbc database storage feature

* dependency and version should be defined in collector root pom.xml

* update the markdown file

* fix errors

* fix checkstyle errors

* add the Logger modifier "static" in pr #1347

* fix the issue #1376