Problem with Gekko and APMonitor Server

[Rafael Pavan]

Hello APMonitor Group!

I'm using GEKKO in my MSc research and since 03/June/2021 I can't run my optimization codes. I have been testing with simple examples (Solver IPOPT, with 'remote=True') and GEKKO gets stuck forever, doesn't finishing the optimization process.

I also tried to run online examples (from: http://apmonitor.com/online/view_pass.php) but the results are not showing in my browser.

I'm using Ubuntu, so IPOPT works only in 'remote = True' mode.

Is there anyone else having the same problem? It's something with APmonitor's server or the problem may be in my computer?

Regards,

Rafael.

[John Hedengren]

Rafael and Ehtisham,

 

It appears that the remote compute server is down right now. Until it comes back up, you are welcome to use the local option with:

 

m=GEKKO(remote=False)

 

-John Hedengren

 

 

 

Hi all!

 

Sorry I shared the wrong detail of error I am getting this error for all the optimization problems, Earlier my code was running properly.

 

The error details are as follows:

TimeoutError: [WinError 10060] A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond

 

 

Hi all!

 

Earlier my code was running without any error but now I am getting same error all the optimization problems even on examples available on the official page of GEKKO.

I have shared the error detail, please guide me if anybody know the reason.

 

Thanks

 

URLError: <urlopen error [WinError 10060] A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond>

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[John Hedengren]

Rafael and Ehtisham,

One other thing that you can do is use a different server such as:

m = GEKKO(remote=True,server='http://xps.apmonitor.com')

It is an experimental server with more limited capacity but it does give some additional solver options that the local solvers don't offer.

Best regards,

John Hedengren

To view this discussion on the web visit https://groups.google.com/d/msgid/apmonitor/BYAPR08MB4600E1A4F54FD0C5E4A40B7BEE3A9%40BYAPR08MB4600.namprd08.prod.outlook.com.

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Best regards,

John Hedengren

GEKKO Optimization Suite

https://machinelearning.byu.edu

[Ehtisham Asghar]

Thanks
I have resolved this issue by using this "m = GEKKO(remoter=False).