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Home » Eclipse Projects » Spatiotemporal Epidemiological Modeler (STEM) » Error running nCov model...(Error help...)
Error running nCov model... [message #1826828] Fri, 01 May 2020 17:13 Go to next message
Tony Price is currently offline Tony PriceFriend
Messages: 1
Registered: May 2020
Junior Member
Hello - New to this and thank you for the amazing resource that STEM is.

I have been unable to run the Corona model. I try to step through it and get to this error message - "An internal error occurred during: "Polygon Refresh".
Java heap space"

I wonder if anyone can offer an insight about what might help. I am running this on ubuntu 18.x

Tony

Re: Error running nCov model... [message #1827093 is a reply to message #1826828] Thu, 07 May 2020 04:47 Go to previous messageGo to next message
Brad Lee is currently offline Brad LeeFriend
Messages: 3
Registered: April 2020
Junior Member
Hi Tony.

I got that error what you have too, when i ran ncov model at first time.

I don't remember exactly what i did for that situation, but I think I increased the memory size that allocated to STEM.

See this guide first STEM Wiki (https://wiki.eclipse.org/STEM_Installation_Guide). I'm not sure that there was a guide for Ubuntu users.

Have a nice day :)

[Updated on: Thu, 07 May 2020 04:48]

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Re: Error running nCov model... [message #1827499 is a reply to message #1827093] Fri, 15 May 2020 22:23 Go to previous message
James Kaufman is currently offline James KaufmanFriend
Messages: 240
Registered: July 2009
Senior Member
Yes, please increase your heap space.
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