g29times opened a new issue #3539: Agent services not detected URL: https://github.com/apache/skywalking/issues/3539 Please answer these questions before submitting your issue. - Why do you submit this issue? - [ X ] Question or discussion - [ ] Bug - [ ] Requirement - [ ] Feature or performance improvement ___ ### Question - What do you want to know? [CN]无法监控到后端服务 [EN] Agent services not detected Env: ubuntu 18 , 2 Core, 8G Mem Sky BackEnd ：http://47.244.220.225:8080/ Agent BackEnd(on same server) ：http://47.244.220.225:8013/welcome (user:'user'/password:'password') ES V7.2 (on same server) ：http://47.244.220.225:9200/ ___ ### Bug - Which version of SkyWalking, OS and JRE? 6.4.0 - Which company or project? - What happen? If possible, provide a way for reproducing the error. e.g. demo application, component version. Agent services not detected on Sky UI (8080) ___ ### Requirement or improvement - Please describe about your requirements or improvement suggestions. 1 Where could I locate skywalk itself's log on linux 2 What's the use of port 11800 12800? I don't see any ports listening using 'netstat -anp | grep 12800' after Sky started. 3 What do i need to config for agent using spring boot with a "java -jar" fashion? Do I need to specify like 'java -javaagent:/path-to/skywalking-agent.jar -Dskywalking.agent.service_name=trace-api -Dskywalking.collector.backend_service=localhost:**myAgentPort** -jar xxx.jar'
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