Does telnet work between A:port and B:port in both directions?
-----Original Message-----
From: [email protected] [mailto:[email protected]]
Sent: Tuesday, July 05, 2011 6:47 PM
To: [email protected]
Subject: RE: Federation - trouble-shooting
> Are the any errors in the qpid log?
from the logs on broker A:
trying to establish the connection:
[timestamp] A qpidd[30909]: [timestamp] error Connection B:port closed by
error: closed by management(320)
afterwards, about once every 2 seconds:
[timestamp] A qpidd[30909]: [timestamp] warning Client closed connection
with 541: internal-error: interaction disallowed
from the logs on broker B:
about once every 2 seconds:
[timestamp] B qpidd[4592]: [timestamp] warning Inter-broker link
disconnected from A:port
David Johnson
Princeton Consultants
2 Research Way
Princeton, NJ 08540
609.987.8787 x266
From: Ilyushonak Barys <[email protected]>
To: "[email protected]" <[email protected]>
Date: 06/30/2011 11:04 AM
Subject: RE: Federation - trouble-shooting
Are the any errors in the qpid log?
-----Original Message-----
From: [email protected] [mailto:[email protected]]
Sent: Thursday, June 30, 2011 6:52 PM
To: [email protected]
Subject: RE: Federation - trouble-shooting
qpid-route --ack 0 route add A B e_topic all qpid-route --ack 0 route add
A B e_topic all.a qpid-route --ack 0 route add A B e_topic all.a.x
qpid-route --ack 0 route add B A e_topic all qpid-route --ack 0 route add
B A e_topic all.b qpid-route --ack 0 route add B A e_topic all.b.x
David Johnson
Princeton Consultants
2 Research Way
Princeton, NJ 08540
609.987.8787 x266
From: Ilyushonak Barys <[email protected]>
To: "[email protected]" <[email protected]>
Date: 06/30/2011 10:37 AM
Subject: RE: Federation - trouble-shooting
", but in my case there is no evidence of an extra binding being added to
the exchange on either broker "
According to docs (
http://qpid.apache.org/books/0.10/AMQP-Messaging-Broker-CPP-Book/html/ch01s04.html
)
"Internally, creating an exchange route creates a private queue
(auto-delete, exclusive) on the source broker to hold messages that are to
be routed to the destination broker, binds this private queue to the
source broker exchange, and subscribes the destination broker to the
queue. "
It should be created.
Could you please send "qpid-route route add" command you used for create
the route?
-----Original Message-----
From: [email protected] [mailto:[email protected]]
Sent: Thursday, June 30, 2011 5:42 PM
To: [email protected]
Subject: RE: Federation - trouble-shooting
> In my case I have temp queue on source broker after create the correct
route and
> binding - qpid-config -b exchanges:
> bind [murex.all.trades.nbd] =>
bridge_queue_1_9258360d-a740-44a2-91ec-65bcf56f3e50
I'm assuming that the temp queue is supposed to be created automatically
when you create the exchange routes, but in my case there is no evidence
of an extra binding being added to the exchange on either broker:
qpid-config -b exchanges -a A:
Exchange 'e_topic' (topic)
bind[all] => q_x
bind[all.a] => q_x
bind[all.a.x] => q_x
> In my case the command qpid-stat -e return actual count of exchange
binding (bind
> column). In your case this value is 0 on both brokers.
I don't follow. For me, qpid-stat -e gives bind=3 for the topic exchanges
(the three "=> q_x" bindings), and qpid-stat -q gives bind=4 for the
exclusive queue (the three "=> e_topic" bindings and the one "=> ''"
binding for the direct exchange ''). However, I don't see any extra
bindings for a temporary queue.
David Johnson
Princeton Consultants
2 Research Way
Princeton, NJ 08540
609.987.8787 x266
From: Ilyushonak Barys <[email protected]>
To: "[email protected]" <[email protected]>
Date: 06/30/2011 04:28 AM
Subject: RE: Federation - trouble-shooting
David, thank you for the info.
I think I got your idea - send messages to broker B with key= all.a.x, but
do not have bindings on B with this key on the local queues.
As I see, the route works only while bindings exists. So, could you please
check the following things.
1. In my case I have temp queue on source broker after create the correct
route and binding - qpid-config -b exchanges:
bind [murex.all.trades.nbd] =>
bridge_queue_1_9258360d-a740-44a2-91ec-65bcf56f3e50
2. In my case the command qpid-stat -e return actual count of exchange
binding (bind column). In your case this value is 0 on both brokers.
qpid-stat -e A:
exchange type dur bind msgIn msgOut msgDrop byteIn byteOut byteDrop
====================================================================
e_topic topic 3 0 0 0 0 0 0
qpid-stat -e B:
exchange type dur bind msgIn msgOut msgDrop byteIn byteOut byteDrop
====================================================================
e_topic topic 3 0 0 0 0 0 0
-----Original Message-----
From: [email protected] [mailto:[email protected]]
Sent: Thursday, June 30, 2011 11:51 AM
To: [email protected]
Subject: RE: Federation - trouble-shooting
Correction, for Broker B:
qpid-config -b queues -a B:
Queue 'q_x'
bind [q_x] => ''
bind [all] => e_topic
bind [all.b] => e_topic
bind [all.b.x] => e_topic
David Johnson
Princeton Consultants
2 Research Way
Princeton, NJ 08540
609.987.8787 x266
From: <[email protected]>
To: <[email protected]>
Date: 06/30/2011 03:47 AM
Subject: RE: Federation - trouble-shooting
> As I see there is no bindings on broker B with the key "all.a.x",
"all.a", so, it works as
> expected and you can't see " messages that were sent to the topic
exchange on broker B with
> the subjects "all.a.x", "all.a"
Messages sent to the topic exchange on broker B with the keys "all.a.x" or
"all.a" are not bound to any dedicated queue on broker B...but should
federate over to the topic exchange on broker A where there is a dedicated
queue with bindings for "all.a.x" and "all.a". At least, that is what I
am intending. But the messages never leave the source exchange on the
source broker, so the federation is not currently working.
> It looks like for me that "key=all" should works.
A message sent to the topic exchange on either broker with the key "all"
currently propagates only to the dedicated queues on that broker, but do
not federate to the other broker.
> qpid-config -b queues
> qpid-route route map
Broker A:
qpid-stat -e A:
exchange type dur bind msgIn msgOut msgDrop byteIn byteOut byteDrop
====================================================================
e_topic topic 3 0 0 0 0 0 0
qpid-stat -q A:
queue dur autoDel excl msg msgIn msgOut bytes bytesIn bytesOut cons
bind
========================================================================
q_x Y Y 0 0 0 0 0 0 1 4
qpid-config -b queues -a A:
Queue 'q_x'
bind [q_x] => ''
bind [all] => e_topic
bind [all.a] => e_topic
bind [all.a.x] => e_topic
qpid-route link list A:
Host Port Transport Durable Stats Last Error
===================================================
B port tcp N Operational
Broker B:
qpid-stat -e B:
exchange type dur bind msgIn msgOut msgDrop byteIn byteOut byteDrop
====================================================================
e_topic topic 3 0 0 0 0 0 0
qpid-stat -q B:
queue dur autoDel excl msg msgIn msgOut bytes bytesIn bytesOut cons
bind
========================================================================
q_x Y Y 0 0 0 0 0 0 1 4
qpid-config -b queues -a A:
Queue 'q_x'
bind [q_x] => ''
bind [all] => e_topic
bind [all.ba] => e_topic
bind [all.b.x] => e_topic
qpid-route link list B:
Host Port Transport Durable Stats Last Error
=======================================================
A port tcp N Waiting Closed by peer
Routes:
qpid-route route map A
Finding Linked Brokers:
A:port... Ok
B:port... Ok
Dynamic Routes:
none found
Static Routes:
A:port(ex=e_topic) <= B:port(ex=e_topic) key=all.a.#
A:port(ex=e_topic) <= B:port(ex=e_topic) key=all.a
A:port(ex=e_topic) <= B:port(ex=e_topic) key=all
B:port(ex=e_topic) <= A:port(ex=e_topic) key=all.b.#
B:port(ex=e_topic) <= A:port(ex=e_topic) key=all.b
B:port(ex=e_topic) <= A:port(ex=e_topic) key=all
David Johnson
Princeton Consultants
2 Research Way
Princeton, NJ 08540
609.987.8787 x266
From: Ilyushonak Barys <[email protected]>
To: "[email protected]" <[email protected]>
Date: 06/30/2011 02:31 AM
Subject: RE: Federation - trouble-shooting
As I see there is no bindings on broker B with the key "all.a.x", "all.a",
so, it works as expected and you can't see " messages that were sent to
the topic exchange on broker B with the subjects "all.a.x", "all.a""
It looks like for me that "key=all" should works.
I used all kind of links and it works like a charm - queue link, static
and dynamic routes I think links should would in your case too.
Could you please give a little bit more info by posting results of:
qpid-config -b queues
qpid-route route map
on both brokers?
Regards,
Boris
-----Original Message-----
From: [email protected] [mailto:[email protected]]
Sent: Thursday, June 30, 2011 2:17 AM
To: [email protected]
Subject: Federation - trouble-shooting
The documentation on creating routes with qpid-route seems clear and easy
to follow, but I'm still missing something.
I've been testing with two brokers, each having a topic exchange.
Applications
connected to a broker can communicate with each other by sending messages
to the topic exchange and reading messages from a queue (exclusive to the
application) that is bound to the topic exchange. The bindings are such
that an application can send messages to another application, or to all
applications connected to the same broker.
So far, so good.
My intention is to implement federation between the topic exchanges on the
two brokers so that an application can also send messages to another
application on another broker, to all applications on another broker, or
to all applications on all brokers.
After creating the routes, however, I still cannot get messages to pass
between brokers. I've been mostly testing with exchange routes, but I
have also tested dynamic and queue routes with similar results. In the
exchange route case, the messages get stuck in the topic exchange on the
source boker (msgIn increments, but msgOut does not). In the queue route
case, the messages get stuck in the source queue.
When I create the routes, the links are automatically created (one in each
direction), but only one is "Operational". The second link gets stuck in
"Waiting - Closed by peer"
Some questions:
1. What are some possible causes of the "Closed by peer" error, or how can
I trouble-shoot the links?
2. Even with only one link being "Operational," I would expect that
federation would at least work in one direction, but instead I can't get
federation to work in either direction. Is there something else I am
doing wrong?
Here's my (typical) setup...
Broker A:
exchange: e_topic
type: topic
dur: N
queue: q_x
dur: N
autoDel: Y
excl: Y
bindings:
bind [all] => e_topic
bind [all.a] => e_topic
bind [all.a.x] => e_topic
Broker B:
exchange: e_topic
type: topic
dur: N
queue: q_x
dur: N
autoDel Y
excl: Y
bindings:
bind [all] => e_topic
bind [all.b] => e_topic
bind [all.b.x] => e_topic
Static (exchange) Routes between A and B:
A(ex=e_topic) <= B(ex=e_topic) key=all.a.#
A(ex=e_topic) <= B(ex=e_topic) key=all.a
A(ex=e_topic) <= B(ex=e_topic) key=all
B(ex=e_topic) <= A(ex=e_topic) key=all.b.#
B(ex=e_topic) <= A(ex=e_topic) key=all.b
B(ex=e_topic) <= A(ex=e_topic) key=all
Current result: Appplication X connected to broker A can see messages that
were sent to the topic exchange on broker A with the subjects "all.a.x",
"all.a", or "all"; but does not see messages that were sent to the topic
exchange on broker B with the subjects "all.a.x", "all.a", or "all".
David Johnson
Princeton Consultants
2 Research Way
Princeton, NJ 08540
609.987.8787 x266
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