# Elasticsearch discovery - Mode unicast
**URL:** https://discuss.elastic.co/t/elasticsearch-discovery-mode-unicast/12844
**Category:** Elasticsearch
**Created:** [July 18, 2013, 2:44pm UTC](https://discuss.elastic.co/t/elasticsearch-discovery-mode-unicast/12844 "2013-07-18T14:44:00Z")
**Posts on this page:** 4
**Page:** 1
### Author:  [@Rafael\_Araujo\_Pires](https://discuss.elastic.co/u/Rafael_Araujo_Pires)
#### Post date: [July 18, 2013, 2:44pm UTC](https://discuss.elastic.co/t/elasticsearch-discovery-mode-unicast/12844/1 "2013-07-18T14:44:00Z")
Good morning everyone,
I have a problem in configuring the discovery of elasticsearch in unicast
mode ...
Error: [07.17.2013 19:33:23,696] [WARN] [transport.netty] [nameserver]
exception caught on transport layer [[id: 0x12994a19, / 127.0.0.1:34917:\> /
127.0.0.1:9300 ]], closing connection
java.io.StreamCorruptedException: invalid internal message transport format
Can anyone help me?
Thanks
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### Author:  [@Ivan](https://discuss.elastic.co/u/Ivan)
#### Post date: [July 19, 2013, 4:58pm UTC](https://discuss.elastic.co/t/elasticsearch-discovery-mode-unicast/12844/2 "2013-07-19T16:58:34Z")
Are you running the same version of elasticsearch on all nodes and the
client?
--
Ivan
On Thu, Jul 18, 2013 at 7:44 AM, Rafael Araujo Pires \<[raraujopires@gmail.com](mailto:raraujopires@gmail.com)
> wrote:
> Good morning everyone,
>
> I have a problem in configuring the discovery of elasticsearch in unicast
> mode ...
>
> Error: [07.17.2013 19:33:23,696] [WARN] [transport.netty] [nameserver]
> exception caught on transport layer [[id: 0x12994a19, / 127.0.0.1:34917:\>
> / 127.0.0.1:9300 ]], closing connection
> java.io.StreamCorruptedException: invalid internal message transport
> format
>
> Can anyone help me?
>
> Thanks
>
> --
> You received this message because you are subscribed to the Google Groups
> "elasticsearch" group.
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### Author:  [@Rafael\_Araujo\_Pires](https://discuss.elastic.co/u/Rafael_Araujo_Pires)
#### Post date: [July 19, 2013, 5:08pm UTC](https://discuss.elastic.co/t/elasticsearch-discovery-mode-unicast/12844/3 "2013-07-19T17:08:55Z")
Yes Ivan,
The version is the same for all nodes.
In fact, I am configuring these servers in the environment of the Amazon.
I searched in some forums and from what I understand, the multicast mode does
not work in this environment.
So I'm trying to setup in unicast mode.
Thank you.
2013/7/19 Ivan Brusic [ivan@brusic.com](mailto:ivan@brusic.com)
> Are you running the same version of elasticsearch on all nodes and the
> client?
>
> --
> Ivan
>
> On Thu, Jul 18, 2013 at 7:44 AM, Rafael Araujo Pires \<
> [raraujopires@gmail.com](mailto:raraujopires@gmail.com)\> wrote:
>
> > Good morning everyone,
> >
> > I have a problem in configuring the discovery of elasticsearch in
> > unicast mode ...
> >
> > Error: [07.17.2013 19:33:23,696] [WARN] [transport.netty] [nameserver]
> > exception caught on transport layer [[id: 0x12994a19, / 127.0.0.1:34917:\>
> > / 127.0.0.1:9300 ]], closing connection
> > java.io.StreamCorruptedException: invalid internal message transport
> > format
> >
> > Can anyone help me?
> >
> > Thanks
> >
> > --
> > You received this message because you are subscribed to the Google Groups
> > "elasticsearch" group.
> > To unsubscribe from this group and stop receiving emails from it, send an
> > email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com).
> >
> > For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out).
>
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Atenciosamente,
Rafael de Araujo Pires
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [July 6, 2017, 2:25am UTC](https://discuss.elastic.co/t/elasticsearch-discovery-mode-unicast/12844/4 "2017-07-06T02:25:25Z")