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Amazon web services – Jenkins Very Slow Upon Starting EC2 Instance after Stopping

I am learning Jenkins right now. I installed Jenkins on a t2.small Ubuntu EC2 instance. Everything was working fine. I stopped the instance. The next day, I started the instance and it took a very long time for the sign-in page and dashboard to load, basically unusable. I cannot seem to find troubleshooting information, and I am also new to Linux, AWS, and Jenkins.

I made sure that I was connected to the correct public IP address (no time out). I also restarted the Jenkins service. I also tried accessing the public IP address on a different browser. I ended up just terminating the instance and creating a new one.

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  1. Chosen as BEST ANSWER
    0

    I think I figured out the problem, which seems dumb and obvious now. I was setting the Jenkins URL without considering that the public IP of the instance would change upon stopping and starting. I removed the configuration and it works fine now.


  2. 0

    When you reboot(stop and start) the ec2 instance, it changes its public IP address, so we need to change jenkins URL.

    goto http://<"new-IP">/manage/configure and change the jenkins url from you old IP to your current IP.

    You may also face a Reverse Proxy error on your jenkins dashboard, hinting the same.

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