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Yerickson

AdServer unstable after Upgrade version

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Problem: I need your help because after migrating the version of the AdServer from 4.1.3 to 5.0.5. All start working fine but then, randomly the application stop working and then start working by itself. This happen constantly.

 

Infra info: Let me give more detail about my infra, I have my domain pointing to an Application load balancer and this pointing to an EC2 instance m4.large with a centos fedora. We are using autoscalling on this solution.

Thoubleshooting:

1)      I did extended ping to my instance, I never lost packets.

2)      I did telnet to the ports 80 and 443 I could stablish communication.

3)      I tested the connectivity to the application by browsing through Internet (80 and 443). The connection is unstable, sometime work, sometimes not.

4)       I tested the connectivity to the application by browsing inside my network pointing directly to the instance through (80 and 443). The connection is unstable, sometime work, sometimes not. That means the ALB is not problem.

5)      I disable and enable all the plugins, one per time and I still facing the same issue.

At this I think the problem is on the application and not in the infra, but I don’t have any idea how discover where is the problem and how solve it.

Anyone have any idea what could happening with this installation? How can I discover the problem

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