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Posted to users@servicemix.apache.org by jpuro <jp...@sterlingtesting.com> on 2007/09/28 20:29:39 UTC
ServiceMix Deployment - Standalone Vs. JBoss
What are the inherent benefits/detriments of deploying ServiceMix as a
standalone product versus deploying it as a SAR or WAR under JBoss or some
other application server? From my experience using JBoss there are
potential issues or questions that arise:
1) Class Loading - I have experienced many class loading issues running
ServiceMix under JBoss's universal class sharing system. For example,
Hibernate is included in JBoss's lib directory as one version, but your
Service Unit may need a higher version of it. Seems that ServiceMix ends up
picking up the top most version (JBoss's).
2) Clustering - Using standard load balanced clustering with Apache and
JBoss seems to not give the most reliability in terms of internal ServiceMix
message communications between services. It would seem that using JMSFlow
would be a more reliable way of achieving clustering with ServiceMix. But
how do you marry the two when deploying ServiceMix under JBoss? Would this
suggest that a standalone deployment is in order?
Thanks,
-Jeff
--
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Re: ServiceMix Deployment - Standalone Vs. JBoss
Posted by Guillaume Nodet <gn...@gmail.com>.
Note that if you deploy servicemix as a web application (for example
using the default web app distribution), servicemix-http will reuse
the existing web server to accept incoming requests and won't start a
embedded jetty server.
On 10/3/07, Bruce Snyder <br...@gmail.com> wrote:
> On 9/28/07, jpuro <jp...@sterlingtesting.com> wrote:
> >
> > What are the inherent benefits/detriments of deploying ServiceMix as a
> > standalone product versus deploying it as a SAR or WAR under JBoss or some
> > other application server? From my experience using JBoss there are
> > potential issues or questions that arise:
> >
> > 1) Class Loading - I have experienced many class loading issues running
> > ServiceMix under JBoss's universal class sharing system. For example,
> > Hibernate is included in JBoss's lib directory as one version, but your
> > Service Unit may need a higher version of it. Seems that ServiceMix ends up
> > picking up the top most version (JBoss's).
>
> Have you configured inverse classloading via the SU configuration?
>
> http://incubator.apache.org/servicemix/classloaders.html
>
> > 2) Clustering - Using standard load balanced clustering with Apache and
> > JBoss seems to not give the most reliability in terms of internal ServiceMix
> > message communications between services. It would seem that using JMSFlow
> > would be a more reliable way of achieving clustering with ServiceMix. But
> > how do you marry the two when deploying ServiceMix under JBoss? Would this
> > suggest that a standalone deployment is in order?
>
> I suppose you could configure ServiceMix to only use the JMS flow with
> a vm:// transport URI so that it's the only flow available. But this
> only addresses ServiceMix. I hazard a guess that your flow through
> these various components to look like this:
>
> HTTP -> JBoss/Tomcat -> ServiceMix
>
> Am I to assume that you're using the servicemix-http component to
> accept HTTP requests? If so, this component uses Jetty internally but
> there are two flavors; the http:endpoint and
> http:consumer/http:provider combination. Which one are you using?
>
> Bruce
> Bruce
> --
> perl -e 'print unpack("u30","D0G)U8V4\@4VYY9&5R\"F)R=6-E+G-N>61E<D\!G;6%I;\"YC;VT*"
> );'
>
> Apache ActiveMQ - http://activemq.org/
> Apache ServiceMix - http://servicemix.org/
> Apache Geronimo - http://geronimo.apache.org/
> Castor - http://castor.org/
>
--
Cheers,
Guillaume Nodet
------------------------
Blog: http://gnodet.blogspot.com/
Re: ServiceMix Deployment - Standalone Vs. JBoss
Posted by Bruce Snyder <br...@gmail.com>.
On 9/28/07, jpuro <jp...@sterlingtesting.com> wrote:
>
> What are the inherent benefits/detriments of deploying ServiceMix as a
> standalone product versus deploying it as a SAR or WAR under JBoss or some
> other application server? From my experience using JBoss there are
> potential issues or questions that arise:
>
> 1) Class Loading - I have experienced many class loading issues running
> ServiceMix under JBoss's universal class sharing system. For example,
> Hibernate is included in JBoss's lib directory as one version, but your
> Service Unit may need a higher version of it. Seems that ServiceMix ends up
> picking up the top most version (JBoss's).
Have you configured inverse classloading via the SU configuration?
http://incubator.apache.org/servicemix/classloaders.html
> 2) Clustering - Using standard load balanced clustering with Apache and
> JBoss seems to not give the most reliability in terms of internal ServiceMix
> message communications between services. It would seem that using JMSFlow
> would be a more reliable way of achieving clustering with ServiceMix. But
> how do you marry the two when deploying ServiceMix under JBoss? Would this
> suggest that a standalone deployment is in order?
I suppose you could configure ServiceMix to only use the JMS flow with
a vm:// transport URI so that it's the only flow available. But this
only addresses ServiceMix. I hazard a guess that your flow through
these various components to look like this:
HTTP -> JBoss/Tomcat -> ServiceMix
Am I to assume that you're using the servicemix-http component to
accept HTTP requests? If so, this component uses Jetty internally but
there are two flavors; the http:endpoint and
http:consumer/http:provider combination. Which one are you using?
Bruce
Bruce
--
perl -e 'print unpack("u30","D0G)U8V4\@4VYY9&5R\"F)R=6-E+G-N>61E<D\!G;6%I;\"YC;VT*"
);'
Apache ActiveMQ - http://activemq.org/
Apache ServiceMix - http://servicemix.org/
Apache Geronimo - http://geronimo.apache.org/
Castor - http://castor.org/