The NMR is logically similar to using Queues in JMS in that messages
are load balanced across consumers (endpoints) and one message
exchange goes to exactly one endpoint.
ServiceMix supports the idea of pubilsh subscribe (or Topics in
JMS-speak) so that you can watch what messages go through the NMR such
as for tracing, audit and general purpose things; where you just want
to listen to whats going on but not be part of the actual business
flow...
e.g. in the routing documentation
http://incubator.apache.org/servicemix/routing.html
we describe the pub/sub support
http://incubator.apache.org/servicemix/publish-subscribe-routing.html
So you could use that to plug in your own monitor/log features. Or you
could use the ServiceMix Auditor which allows messages to be
persisted, queried & replayed...
http://incubator.apache.org/servicemix/maven/servicemix-core/apidocs/org/apache/servicemix/jbi/audit/package-summary.html
On 7/7/06, kitplummer <[EMAIL PROTECTED]> wrote:
bsnyder wrote:
>
> On 7/6/06, kitplummer <[EMAIL PROTECTED]> wrote:
>>
>> Is there an easy/simple way to capture all NormalizedMessages off the
>> NMR?
>
> I don't know if an easy way to do this. What exactly are you trying to
> achieve?
>
> Bruce
> --
> perl -e 'print
> unpack("u30","D0G)[EMAIL PROTECTED]&5R\"F)R=6-E+G-N>61E<D\!G;6%I;\"YC;VT*"
> );'
>
> Apache Geronimo - http://geronimo.apache.org/
> Apache ActiveMQ - http://incubator.apache.org/activemq/
> Apache ServiceMix - http://incubator.apache.org/servicemix/
> Castor - http://castor.org/
>
>
Curiosity, more than anything. A potential use if we could get all messages
would be to playback a sequence of time or an entire operational period, by
putting all messages back on the NMR in correct timing patterns. Basically,
we need to capture telemetry. We already have a mechanism to get status
from services. However, being able to capture all message traffic,
regardless of destination could be highly useful and would prevent any new
requirements on our service providers.
But, if we can capture the "raw" messages of the NMR it provides a new
design option...one that I am hoping exists.
--
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--
James
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