DataOps Application URL is not working

1. Check with telnet from commandline (ex: telnet hostname port) 

2. if it is not connected, try to connect to the instance with ssh,

       a. if you are not able to connect to the instance with ssh -- Instance is down or Network Problem

       b. Contact the IT, Support team, to start the Instance or resolve Network Issue

3. if you are able to connect with telnet then connect with ssh

     a. try docker ps -a   then get the container name

4. copy the catalina.out from the application log directory mounted to the container, to check the cause.

5. start/restart the DataOpsServer container using docker start <container name>