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From Aldrin Piri <aldrinp...@gmail.com>
Subject Re: Site to Site UnknownHostException
Date Mon, 06 Jun 2016 15:37:14 GMT
Hi Joe,

Are you able to reach the specified instance, gbrdcr00015n01, from the
machine where you are accessing this log via ping or similar?

On Tue, May 31, 2016 at 9:06 AM, <joe.cordingley@barclays.com> wrote:

> Hi
>
>
>
> I’m new to Nifi. I have been experimenting with it and trying implement
> Site to Site connections between different Nifi instances on a Windows box
> and a Linux box. I configure a remote procedure group and it can see the
> names of the input ports (somewhat confusingly named 9992 here) and can
> connect to them but when I try to transfer a file I get an
> UnknownHostException. Any help would be greatly appreciated.
>
>
>
> 2016-05-31 11:24:11,002 ERROR [Timer-Driven Process Thread-6]
> o.a.nifi.remote.StandardRemoteGroupPort RemoteGroupPort[name=9992,target=
> http://gbrdcr00015n01:9995/nifi] failed to communicate with
> http://gbrdcr00015n01:9995/nifi due to java.net.UnknownHostException
>
> 2016-05-31 11:24:11,002 ERROR [Timer-Driven Process Thread-6]
> o.a.nifi.remote.StandardRemoteGroupPort
>
> java.net.UnknownHostException: null
>
>                 at sun.nio.ch.Net.translateException(Unknown Source)
> ~[na:1.8.0_91]
>
>                 at sun.nio.ch.SocketAdaptor.connect(Unknown Source)
> ~[na:1.8.0_91]
>
>                 at
> org.apache.nifi.remote.client.socket.EndpointConnectionPool.establishSiteToSiteConnection(EndpointConnectionPool.java:712)
> ~[nifi-site-to-site-client-0.6.1.jar:0.6.1]
>
>                 at
> org.apache.nifi.remote.client.socket.EndpointConnectionPool.establishSiteToSiteConnection(EndpointConnectionPool.java:685)
> ~[nifi-site-to-site-client-0.6.1.jar:0.6.1]
>
>                 at
> org.apache.nifi.remote.client.socket.EndpointConnectionPool.getEndpointConnection(EndpointConnectionPool.java:301)
> ~[nifi-site-to-site-client-0.6.1.jar:0.6.1]
>
>                 at
> org.apache.nifi.remote.client.socket.SocketClient.createTransaction(SocketClient.java:129)
> ~[nifi-site-to-site-client-0.6.1.jar:0.6.1]
>
>                 at
> org.apache.nifi.remote.StandardRemoteGroupPort.onTrigger(StandardRemoteGroupPort.java:171)
> ~[nifi-site-to-site-0.6.1.jar:0.6.1]
>
>                 at
> org.apache.nifi.controller.AbstractPort.onTrigger(AbstractPort.java:227)
> [nifi-framework-core-api-0.6.1.jar:0.6.1]
>
>                 at
> org.apache.nifi.controller.tasks.ContinuallyRunConnectableTask.call(ContinuallyRunConnectableTask.java:81)
> [nifi-framework-core-0.6.1.jar:0.6.1]
>
>                 at
> org.apache.nifi.controller.tasks.ContinuallyRunConnectableTask.call(ContinuallyRunConnectableTask.java:40)
> [nifi-framework-core-0.6.1.jar:0.6.1]
>
>               at
> org.apache.nifi.controller.scheduling.TimerDrivenSchedulingAgent$1.run(TimerDrivenSchedulingAgent.java:123)
> [nifi-framework-core-0.6.1.jar:0.6.1]
>
>                 at
> java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
> [na:1.8.0_91]
>
>                 at java.util.concurrent.FutureTask.runAndReset(Unknown
> Source) [na:1.8.0_91]
>
>                 at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(Unknown
> Source) [na:1.8.0_91]
>
>                 at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown
> Source) [na:1.8.0_91]
>
>                 at
> java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
> [na:1.8.0_91]
>
>                 at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
> [na:1.8.0_91]
>
>                 at java.lang.Thread.run(Unknown Source) [na:1.8.0_91]
>
>
>
> Thanks
>
> Joe
>
>
>
>
>
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