February 2008 - jbossws-dev - Jboss List Archives

[Design of JBoss Web Services] - Re: Simplify deploy/undeploy cycles for different stacks

by adrian＠jboss.org

"adrian(a)jboss.org" wrote : | As for the correct way to do it, look at how the MC/deployers are integrated. | NOTE: I'm not saying the MC project is perfect. e.g. the POJO MC (unlike the deployers) defines the spi and implementation in the same project which is obiviously not ideal. And there's a number of (minor) places where policy, wiring and implementation details are mixed together - meaning re-use or changing behaviour is harder than it should be. ;-( View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4130729#4130729 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4130729

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[Design of JBoss Web Services] - Re: Simplify deploy/undeploy cycles for different stacks

by adrian＠jboss.org

"thomas.diesler(a)jboss.com" wrote : | AFAICS, your comments relates to AS50 only and how the AS decides to provide the WS funtionality. Much of it I understand and would agree. | The same problem exists in all versions. I was using AS5.0 as an example. As for the correct way to do it, look at how the MC/deployers are integrated. The jars are provided with suitable integration hooks - a SPI (system programmer interface) e.g. MainDeployer, classloading, parsing, etc. These are well defined and "stable" interfaces, implementations and helpers (I quote stable because we still haven't done our CR1 release yet :-) The AS project (system and system-jmx) then uses (and extends them in some places - e.g. legacy jmx integration) them. The deployments (the configuration files) are created by the appserver project where it can modify the behaviour to suit its own requirements. In principle your project should not have to change. Instead what changes is the way it is integrated into the different releases of the appserver (using the mechanism defined by that version/release). For your "community updates" this should just be case of replacing the jars if you have paid any attention to the backwards (and forwards) compatibility of your spi. ANOTHER ASIDE: In principle, going forward, the jboss-integration project should define a webservices spi (interfaces and helpers) which you (or anybody else) can implement to provide webservices for any jboss project that integrates using our standard spi (e.g. AS, embedded, esb, etc.) It would then be a case of writing a JBoss4 subdeployer or a JBoss5 deployer on top of that spi. (I doubt it will ever get done for JBoss4 ;-) This would then embody the three different roles (currently you do all three yourself): * Policy - what needs doing (the user - e.g. JBossAS) * Wiring - How to go about doing it (the api/spi - e.g. jboss-integration) * Implementation - Do it (you - JBossWS) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4130728#4130728 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4130728

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[Design of JBoss Web Services] - Re: Simplify deploy/undeploy cycles for different stacks

by thomas.diesler＠jboss.com

Please show us how a component targeted for AS50 should be released to the repository in the proper way , such that it satisfies the requirements you state above. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4130717#4130717 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4130717

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[Design of JBoss Web Services] - Re: Simplify deploy/undeploy cycles for different stacks

by thomas.diesler＠jboss.com

We are providing a community project that people can download in a new version every 8 weeks. With that binary it is possible to call ant deploy-jboss421 ant deploy-jboss422 ant deploy-jboss423 ant deploy-jboss500 against an already released AS version. AFAICS, your comments relates to AS50 only and how the AS decides to provide the WS funtionality. Much of it I understand and would agree. However, what we are discussing here is how we can enable the community to replace/update the web service stack that comes with any supported version of an already released AS version. Generally, we welcome constructive feedback in the form of "Instead of xxxx please consider yyyy" View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4130712#4130712 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4130712

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[Design of JBoss Web Services] - Re: Simplify deploy/undeploy cycles for different stacks

by adrian＠jboss.org

Guys, why are you writing the deployment framework in the JBossWS project? I've said this many times before, concentrate on webservices and let the AS handle deployment/integration If you have an issue with deployment that needs addressing then deal with it in the deployment project, don't reinvent the wheel in an incompatible way yourself. e.g. in JBoss5 which deployments get deployed (and how they are configured/managed) with be a property of the profile service not some internal hackery by you. Choosing and redeploying the WS stack must be doable there (which is potentially a remote management console managing and provisiong a cluster). All that will happen in the long term is that we will have to unpick your hackery. ASIDE: You're still providing your own as integration in the webservices project. The responsibility of the webservices project is to provide the services the AS project should do the integration that's what it is for. If you don't understand what I mean then consider whether it is upto the webservices project to define the configuration and packaging (a sar) for webservices or whether you should provide the functionality and let the appserver define its own configuration. http://repository.jboss.com/jboss/jbossws-native50/2.0.3.GA/lib/ A few obvious examples of why this is broken: 1) The sar includes thirdparty jars that are not chosen by the AS project 2) The "sar" is in deploy mixing deployment and runtime configuration in its beans.xml The deployers should be the in the deployers folder not the runtime, it should not require runtime dependencies to get the deployers in place they should only deal with metadata (for validation purposes inside a management console the runtime will be mocked or the alternatively the runtime maybe "on-demand" dependent on whether there is a relevant deployment). 3) You have your own "deployer" which means we can't use the AS deployers to "interleave" new behaviour (modification of metadata to change/introduce semantics) The aop and messaging projects have similar problems, although I recently decided to ignore aop's delivery of a sar and recreated it with the configuration required INSIDE THE AS's ASPECT PROJECT (which is only really a partial solution). These complaints will probably fall on deaf ears again? :-( View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4130705#4130705 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4130705

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[Design of JBoss Web Services] - Re: Simplify deploy/undeploy cycles for different stacks

by richard.opalka＠jboss.com

"alessio.soldano(a)jboss.com" wrote : I like the idea of having the information of what have to be removed upon undeploy included in the deployed stuff itself. Having all the stacks deploy the same jbossws.sar file would also help imho; perhaps we could even put the property file inside it. Yes, I think it's a good place where such text or property file could reside :) "alessio.soldano(a)jboss.com" wrote : An issue I see is how to undeploy previous versions that do not have the property file; perhaps we could find out the union of the files that need to be removed for each stacks undeployment right now? mmhh... Yes, that's the issue. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4130694#4130694 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4130694

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[Design of JBoss Web Services] - Re: Simplify deploy/undeploy cycles for different stacks

by alessio.soldano＠jboss.com

I like the idea of having the information of what have to be removed upon undeploy included in the deployed stuff itself. Having all the stacks deploy the same jbossws.sar file would also help imho; perhaps we could even put the property file inside it. An issue I see is how to undeploy previous versions that do not have the property file; perhaps we could find out the union of the files that need to be removed for each stacks undeployment right now? mmhh... View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4130680#4130680 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4130680

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[Design of JBoss Web Services] - Re: Simplify deploy/undeploy cycles for different stacks

by richard.opalka＠jboss.com

"richard.opalka(a)jboss.com" wrote : During the deploy-jbossXYZ we could generate text or property file listing all artifacts (batch scripts, jars, directories) that have to be removed on undeploy. Of course such text or property files must be distributed with AS as well. What about other ideas I can't think out better one at the moment :( View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4130663#4130663 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4130663

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[Design of JBoss Web Services] - Re: Simplify deploy/undeploy cycles for different stacks

by thomas.diesler＠jboss.com

Hmm ... a generic undeploy - not bad. Other ideas? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4130659#4130659 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4130659

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[Design of JBoss Web Services] - Re: Simplify deploy/undeploy cycles for different stacks

by richard.opalka＠jboss.com

Here are my two cents: During the deploy-jbossXYZ we could generate text or property file listing all artifacts (batch scripts, jars, directories) that have to be removed on undeploy. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4130658#4130658 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4130658

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jbossws-dev February 2008