Add insight agent to APM itself on CentOS

Dear support,

Please check the following logs:

[24 鍏湀 2016 02:19:48][APM_Insight_services_starter][WARNING]: MalformedException
com.manageengine.apminsight.agent.exception.MalformedException: ParseException
    at com.manageengine.apminsight.agent.service.JavaAgentService.sendData(JavaAgentService.java:329)
    at com.manageengine.apminsight.agent.service.JavaAgentService.sendDataToServer(JavaAgentService.java:260)
    at com.manageengine.apminsight.agent.service.JavaAgentService.connect(JavaAgentService.java:183)
    at com.manageengine.apminsight.agent.service.JavaAgentService.init(JavaAgentService.java:106)
    at com.manageengine.apminsight.agent.JavaAgent$1.run(JavaAgent.java:120)
Caused by: Unexpected token END OF FILE at position 0.
    at com.manageengine.org.json.simple.parser.JSONParser.parse(Unknown Source)
    at com.manageengine.org.json.simple.parser.JSONParser.parse(Unknown Source)
    at com.manageengine.apminsight.agent.service.JavaAgentService.sendData(JavaAgentService.java:325)
    ... 4 more
[24 鍏湀 2016 02:19:48][APM_Insight_services_starter][INFO]: APM_Insight_services_starter finished