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Re: [leshan-dev] Could not send datagram error with multiple LWM Servers
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I see. Would you care to open in issue for this so that it doesn't get lost?
I think this might just be a question of synchronizing on the socket...
--
Mit freundlichen Grüßen / Best regards
Kai Hudalla
Chief Software Architect
Bosch Software Innovations GmbH
Schöneberger Ufer 89-91
10785 Berlin
GERMANY
www.bosch-si.com
Registered office: Berlin, Register court: Amtsgericht Charlottenburg,
HRB 148411 B;
Executives: Dr.-Ing. Rainer Kallenbach, Michael Hahn
On Thu, 2016-12-22 at 13:28 +0000, Michael Huelfenhaus wrote:
> We use the standard lwm2m port for secure connections.
>
> Am 22.12.2016 um 12:16 schrieb Kai <sophokles.kh@xxxxxxxxx>:
>
> > I assume, however, that these bind to different ports, right?
> >
> > On Thu, Dec 22, 2016 at 11:19 AM Michael Huelfenhaus <m.huelfenhaus@davengo.c
> > om> wrote:
> > > This happens on the server, we have 2 LWM Server running in Docker
> > > containers on different machines.
> > >
> > > Am 14.12.2016 um 18:49 schrieb Kai <sophokles.kh@xxxxxxxxx>:
> > >
> > > > Does this happen on the client or the server side? It might be due to
> > > > multiple threads trying to send a datagram over the socket concurrently.
> > > > I am not sure if we explicitly synchronize access to the socket...
> > > > Kai
> > > >
> > > > Michael Huelfenhaus <m.huelfenhaus@xxxxxxxxxxx> schrieb am Mi., 14. Dez.
> > > > 2016, 13:26:
> > > > > Hi,
> > > > > i am getting Could not send datagram error with multiple LWM Servers
> > > > > with M14, any ideas?
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > Could not send datagram java.io.IOException: Operation not permitted at
> > > > > java.net.PlainDatagramSocketImpl.send(Native Method) at
> > > > > java.net.DatagramSocket.send(DatagramSocket.java:693) at
> > > > > org.eclipse.californium.scandium.DTLSConnector.sendDatagram(DTLSConnect
> > > > > or.java:1341)
> > > > > at
> > > > > org.eclipse.californium.scandium.DTLSConnector.sendFlight(DTLSConnector
> > > > > .java:1322) at
> > > > > org.eclipse.californium.scandium.DTLSConnector.handleTimeout(DTLSConnec
> > > > > tor.java:1360) at
> > > > > org.eclipse.californium.scandium.DTLSConnector.access$600(DTLSConnector
> > > > > .java:112)
> > > > > at
> > > > > org.eclipse.californium.scandium.DTLSConnector$RetransmitTask.run(DTLSC
> > > > > onnector.java:1494) at
> > > > > java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> > > > > at java.util.concurrent.FutureTask.run(FutureTask.java:266) at
> > > > > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.ac
> > > > > cess$201(ScheduledThreadPoolExecutor.java:180)
> > > > > at
> > > > > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.ru
> > > > > n(ScheduledThreadPoolExecutor.java:293) at
> > > > > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.ja
> > > > > va:1142) at
> > > > > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.j
> > > > > ava:617)
> > > > > at java.lang.Thread.run(Thread.java:745)
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