login error

[soops.07.naidu]

Hi team,

i have installed appdynamic om-premises demo and while logging it encounterd me with error 

Unexpected exception occurred:com.singularity.ee.controller.api.exceptions.ObjectNotFoundException:Failed to find corresponding principal in MDS. Principal key is: [type: USER, id: 4]

Can anyone helpme out with solution for getting this error? its pretty urgent ...

[Saradhi.Potharaju · Accepted solution]

Hi,

I believe this is a new 4.3 installation and you might have used a username "root" in the installation.

This is a known issue and there is work under progress to fix this.

The workaround for now is to reinstall the Controller and not to use the username as "root" anywhere during the installation.

Regards,
Saradhi

[soops.07.naidu]

Hi ,

Thanks for the reply and yes i ahd same doubt and re-installed the controller and it worked with diff username than using root..

 Now i am trying to install db agent to monitor but for all the application i try to test gives me same error as  below what i have shared the error.

[<Default Database Agent>-Scheduler-1] 15 Jun 2017 08:24:16,913 WARN DBAgent - Could not connect to the controller/invalid response from controller, cannot get registration information
[<Default Database Agent>-Scheduler-1] 15 Jun 2017 08:24:36,915 INFO DBAgent - using controller host [172.31.13.54]; controller port [8090]
[<Default Database Agent>-Scheduler-1] 15 Jun 2017 08:24:36,915 INFO DBAgent - setting unique host information Host Name [ip-172-31-6-195]
[<Default Database Agent>-Scheduler-1] 15 Jun 2017 08:24:36,915 INFO DBAgent - setting agent version [Database Agent v4.3.2.1 GA Build Date 2017-06-06]
[<Default Database Agent>-Scheduler-1] 15 Jun 2017 08:24:36,915 INFO DBAgent - setting agent properties [{dbagent-name=Default Database Agent, dbagent-launch-id=a34b4f9a-2b6d-4891-8f08-22acddbcea74}]
[<Default Database Agent>-Scheduler-1] 15 Jun 2017 08:24:36,915 INFO DBAgent - setting agent install dir [/opt/db]
[<Default Database Agent>-Scheduler-1] 15 Jun 2017 08:24:36,915 INFO DBAgent - setting agent type [DB_AGENT]
[<Default Database Agent>-Scheduler-1] 15 Jun 2017 08:24:36,915 INFO DBAgent - setting agent application [Database Monitoring]
[<Default Database Agent>-Scheduler-1] 15 Jun 2017 08:24:36,916 INFO DBAgent - setting agent tier name [Database Monitoring]
[<Default Database Agent>-Scheduler-1] 15 Jun 2017 08:24:36,916 INFO DBAgent - setting agent node name [Database Monitoring]
[<Default Database Agent>-Scheduler-1] 15 Jun 2017 08:24:36,916 INFO DBAgent - Sending Registration request
[<Default Database Agent>-Scheduler-1] 15 Jun 2017 08:25:36,948 ERROR DBAgent - Fatal transport error while connecting to URL [/controller/instance/UNKNOWN_MACHINE_ID/systemagentregistration]: org.apache.http.conn.ConnectTimeoutException: Connect to 172.31.13.54:8090 [/172.31.13.54] failed: Read timed out
[<Default Database Agent>-Scheduler-1] 15 Jun 2017 08:25:36,948 WARN DBAgent - Could not connect to the controller/invalid response from controller, cannot get registration information
[Thread-0] 15 Jun 2017 08:25:41,297 WARN DBAgent - DB master agent has no delegate.

what does this registration infirmation mean ?? i need to submit my demo by this weekend can anyone help me of this ??

 the same error is see when i was trying to run server agent..

thank you 

[Saradhi.Potharaju]

Hi, Glad that the original issue is resolved. I believe the db agent is not configured correctly in controller-info.xml to connect to Controller. Could you please check the following link? https://docs.appdynamics.com/display/PRO42/Database+Agent+Configuration+Properties Regards, Saradhi