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DBAgent is not able to connect to controller

DBAgent is not able to connect to controller

Hi,

 

MySQL DBAgent stopped collecting the data from mysql instance(note: installation was done by following Wizard and DB Agent was started using java -jar command).

so i had killed the process and starting the agent again but it is failing to connect to the controller and below message is thrown, can you please help on this ?

 

31 Oct 2017 16:10:53,196  INFO [<Default Database Agent>-Scheduler-1] DBAgentConfigManager:46 - Scheduling configuration refresh at an interval of 10 seconds
31 Oct 2017 16:10:53,197  INFO [<Default Database Agent>-Scheduler-1] DBAgentConfigManager:46 - Configuration refresh task interval is 10 seconds
31 Oct 2017 16:10:53,197  INFO [<Default Database Agent>-Scheduler-1] DBAgent:46 - Configuration manager successfully configured
31 Oct 2017 16:10:53,201  INFO [<Default Database Agent>-Scheduler-1] DBAgent:46 - Keystore file /home/ec2-user/dbagent/conf/cacerts.jks was not found
31 Oct 2017 16:10:53,210  INFO [<Default Database Agent>-Scheduler-1] DBAgent:46 - Started Default Database Agent successfully
Started Default Database Agent successfully
31 Oct 2017 16:11:03,214  INFO [<Default Database Agent>-Monitor-Scheduler-4] DBEntityManager:81 - System property [dbagent.waitTimeLoadMultiplier] = 1
31 Oct 2017 16:11:03,214  INFO [<Default Database Agent>-Monitor-Scheduler-4] DBEntityManager:89 - System property [dbagent.queryStatLoadMultiplier] = 1
31 Oct 2017 16:11:03,214  INFO [<Default Database Agent>-Monitor-Scheduler-4] DBEntityManager:97 - System property [dbagent.blockStateLoadMultiplier] = 1
31 Oct 2017 16:11:58,284 ERROR [AD Thread Pool-Global0] DBAgentPollingForUpdate:30 - Fatal transport error while connecting to URL [/controller/instance/DBAGENT_MACHINE_ID/db-monitor-config/523105]: java.net.SocketTimeoutException: Read timed out
31 Oct 2017 16:11:58,284  WARN [AD Thread Pool-Global0] DBAgentPollingForUpdate:62 - Invalid response for configuration request from controller/could not connect. Msg: Fatal transport error while connecting to URL [/controller/instance/DBAGENT_MACHINE_ID/db-monitor-config/523105]
31 Oct 2017 16:13:08,351 ERROR [AD Thread Pool-Global0] DBAgentPollingForUpdate:30 - Fatal transport error while connecting to URL [/controller/instance/DBAGENT_MACHINE_ID/db-monitor-config/523105]: java.net.SocketTimeoutException: Read timed out
31 Oct 2017 16:13:08,351  WARN [AD Thread Pool-Global0] DBAgentPollingForUpdate:62 - Invalid response for configuration request from controller/could not connect. Msg: Fatal transport error while connecting to URL [/controller/instance/DBAGENT_MACHINE_ID/db-monitor-config/523105]
31 Oct 2017 16:14:18,416 ERROR [AD Thread Pool-Global0] DBAgentPollingForUpdate:30 - Fatal transport error while connecting to URL [/controller/instance/DBAGENT_MACHINE_ID/db-monitor-config/523105]: java.net.SocketTimeoutException: Read timed out
31 Oct 2017 16:14:18,416  WARN [AD Thread Pool-Global0] DBAgentPollingForUpdate:62 - Invalid response for configuration request from controller/could not connect. Msg: Fatal transport error while connecting to URL [/controller/instance/DBAGENT_MACHINE_ID/db-monitor-config/523105]

 

DBAgent is not able to connect to controller