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Re: [sumo-user] Multiple environments in reinforcement learning
  • From: Jordan Poots <jordan.poots@xxxxxxxxxxx>
  • Date: Wed, 18 Jan 2023 08:58:43 +0000
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  • Thread-topic: [sumo-user] Multiple environments in reinforcement learning
Hi Michael,

I think it is the latter as I’m on Windows. I’m currently solving it by catching the exception, issuing the close command again and waiting before reopening.

Thanks,

Jordan

> On 18 Jan 2023, at 07:25, Michael Behrisch <oss@xxxxxxxxxxx> wrote:
> 
> Hi Jordan,
> can you give more details on your system? Some systems limit the nummber of open sockets or have a large delay on freeing a closed socket (especially Windows). If this does not apply here I am afraid you can only try to catch the exception and restart the sumo instance possibly after some wait.
> 
> Best reagrds,
> Michael
> 
> 
>> Am 17.01.23 um 09:25 schrieb Jordan Poots:
>> Hi,
>> I've been using reinforcement learning with sumo and recently passed over to a new system. I keep finding on this new system I have errors where my training collapses due to some sort of collision when trying to open a new environment. Note that this error is not immediate, this particualr one occured over 1.5m training steps in.
>> Error: tcpip::Socket::accept() Unable to create listening socket: Address already in use
>> Quitting (on error).
>> Is there a way to ensure this doesn't happen?
>> Thanks,
>> Jordan
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