Another runtime view is what the source of an attachment is involved in the chain:

PredeterminedManagedObjects
TransientManagedObjects
TransientAttachments

and ideally which deployer set the current attachment at each level. This relates to tracking whether the correct
attachment is being used when the profile service sets a PredeterminedManagedObject.

Adrian Brock wrote: 
I'm currently working on tidying up the deployers in JBoss5
as part of that I'm adding some JMX operations so
you can query the deployer chains.

The initial simple list (it doesn't look very good without the css 
which you get from the jmx console:-) is attached.

A quick scan of this shows some funny things or at least
some misunderstanding of the relative ordering parameter.

The relative order parameter only applies when the deployers
have similar input/outputs. It's there for when you have multiple 
"filter"s. i.e. a deployer that has the same input/output type
and you need to control the order in which the filters run
(you should try to design away such a requirement if possible).

e.g. VFSClassLoaderClassPathDeployer is a filter
it inputs and outputs ClassLoadingMetaData.
So does the ClassLoadingDefaultDeployer.

1) Webservices

org.jboss.wsf.container.jboss50.deployer.WebServiceDeployerPreJSE
org.jboss.wsf.container.jboss50.deployer.WebServiceDeployerPostJSE

Currently the ordering of these is pretty weak.

i.e. there is no guarantee the PRE will run before the POST,
except that the relative order of PRE is -1 compared with Tomcat
and the POST must run after Tomcat.

This is very brittle to changes in the Tomcat Deployer which
might move it earlier in the chain due to changes in its requirements.
i.e. The TomcatDeployer takes some additional metadata beyond
JBossWebMetaData.

Shouldn't the PRE deployer also output JBossWebMetaData
to show it modifies or process it and therefore MUST run before Tomcat?

2) AOP ClassLoading

A similar criticism applies for the AOPClassLoaderDeployer
This has no chain definition at all? Only a relative order based
on the main classloader deployer.

Again this is brittle to a refactoring of how the classloader deployer
works.

3) SEAM

org.jboss.seam.integration.microcontainer.deployers.SeamWebUrlIntegrationDeployer
doesn't specify any output. 
But I don't know where the source is for that?
My guess is that this should really be in Describe and specify an
output of ClassLoadingMetadata since that is where
classloading dependencies should be constructed.

4) WEB CLUSTERING

org.jboss.web.tomcat.service.deployers.ClusteringDependencyDeployer
I don't know what this is doing in Describe since it is not
establing a deployment dependency. Instead it is modifying the
JBossWebMetaData.
I'd guess this should be after the merge of annotations into that
metadata? Although I don't think there is such an annotation
currently? :-)

5+) There could be others. Like I said this is just a quick scan.

TODO

I'm going to be adding some other queries so you can display individual
metadata chains for an attachment type and graphs so can see
where attachments may have orginated from other attachments. 

Additionally you'll also be able to see deployers that were used 
for an individual deployment (including by subdeployment/component).

Any other ideas?


Operation Results

JMX MBean Operation View

warjort		 

Stage/Deployertopcomponentparent lastinputoutput
Real
`--org.jboss.ejb.deployers.EjbDeployer@c221d7


org.jboss.metadata.ejb.jboss.JBossMetaDataorg.jboss.ejb.deployers.EjbDeployment





org.jboss.system.metadata.ServiceMetaData





org.jboss.kernel.spi.deployment.KernelDeployment
`--org.jboss.ejb3.deployers.Ejb3ClientDeployer@b40443


org.jboss.metadata.client.jboss.JBossClientMetaDataorg.jboss.ejb3.clientmodule.ClientENCInjectionContainer





org.jboss.kernel.spi.deployment.KernelDeployment
`--org.jboss.ejb3.deployers.Ejb3Deployer@102abdb


merged.org.jboss.metadata.ejb.jboss.JBossMetaDataorg.jboss.ejb3.Ejb3Deployment




org.jboss.ejb3.metadata.jpa.spec.PersistenceUnitsMetaDataorg.jboss.kernel.spi.deployment.KernelDeployment
`--org.jboss.deployers.vfs.deployer.kernel.AliasDeploymentDeployer@1aff012


org.jboss.beans.metadata.spi.NamedAliasMetaDataorg.jboss.beans.metadata.spi.NamedAliasMetaData




org.jboss.kernel.spi.deployment.KernelDeployment

`--org.jboss.hibernate.deployers.HibernateDeployer@13dff89


org.jboss.hibernate.deployers.metadata.HibernateMetaDataorg.jboss.beans.metadata.spi.BeanMetaData
`--org.jboss.jpa.deployers.PersistenceDeployer@17fe89


org.jboss.metadata.jpa.spec.PersistenceMetaData

`--org.jboss.jpa.deployers.PersistenceUnitDeployer@a06824
X
org.jboss.metadata.jpa.spec.PersistenceUnitMetaDataorg.jboss.beans.metadata.spi.BeanMetaData
`--org.jboss.deployers.vfs.deployer.kernel.KernelDeploymentDeployer@39ea58


org.jboss.beans.metadata.spi.BeanMetaDataorg.jboss.beans.metadata.spi.BeanMetaData




org.jboss.kernel.spi.deployment.KernelDeployment

`--org.jboss.deployers.vfs.deployer.kernel.BeanMetaDataDeployer@10ff62a
X
org.jboss.beans.metadata.spi.BeanMetaData

`--org.jboss.deployers.vfs.deployer.kernel.DeploymentAliasMetaDataDeployer@11ef9f6
X
org.jboss.beans.metadata.spi.NamedAliasMetaData





org.jboss.beans.metadata.spi.BeanMetaData

`--org.jboss.resource.deployers.ManagedConnectionFactoryDeployer@1b2601c


org.jboss.resource.metadata.mcf.ManagedConnectionFactoryDeploymentGrouporg.jboss.system.metadata.ServiceDeployment
`--org.jboss.resource.deployers.RARDeployer@1ecda50


org.jboss.resource.metadata.RARDeploymentMetaDataorg.jboss.system.metadata.ServiceMetaData
`--org.jboss.varia.deployment.LegacyBeanShellScriptDeployer@f7ce53


org.jboss.varia.deployment.BeanShellScript

`--org.jboss.wsf.container.jboss50.deployer.WebServiceDeployerEJB@13be416


merged.org.jboss.metadata.ejb.jboss.JBossMetaDataorg.jboss.wsf.spi.deployment.integration.WebServiceDeployment




org.jboss.ejb.deployers.EjbDeploymentorg.jboss.metadata.web.jboss.JBossWebMetaData




org.jboss.ejb3.Ejb3Deployment

`--org.jboss.wsf.container.jboss50.deployer.WebServiceDeployerPreJSE@83cf00


org.jboss.metadata.web.jboss.JBossWebMetaData

`--org.jboss.web.tomcat.service.deployers.TomcatDeployer@dfa65c


org.jboss.metadata.web.jboss.JBossWebMetaDataorg.jboss.web.deployers.WarDeployment





org.jboss.system.metadata.ServiceMetaData
`--org.jboss.system.deployers.ServiceDeploymentDeployer@bc6007


org.jboss.system.metadata.ServiceMetaDataorg.jboss.system.metadata.ServiceMetaData




org.jboss.system.metadata.ServiceDeployment

`--org.jboss.system.deployers.ServiceDeployer@1a697a1
X
org.jboss.system.metadata.ServiceMetaData

`--org.jboss.wsf.container.jboss50.deployer.WebServiceDeployerPostJSE@1560b81


org.jboss.web.deployers.WarDeployment

ClassLoader
`--org.jboss.deployers.plugins.classloading.AbstractLevelClassLoaderSystemDeployer@2726b2


org.jboss.deployers.structure.spi.ClassLoaderFactory

`--org.jboss.aop.asintegration.jboss5.AOPClassLoaderDeployer@19845fb





PostClassLoader
`--org.jboss.aop.asintegration.jboss5.AOPDeploymentAopMetaDataDeployer@1b88122


org.jboss.aop.microcontainer.beans.metadata.AOPDeploymentorg.jboss.aop.asintegration.jboss5.AopMetaDataDeployerOutput
`--org.jboss.aop.asintegration.jboss5.BeansDeploymentAopMetaDataDeployer@14f1726


org.jboss.kernel.spi.deployment.KernelDeploymentorg.jboss.aop.asintegration.jboss5.AopMetaDataDeployerOutput
`--org.jboss.deployment.EarLibExcludeDeployer@2957a4X

org.jboss.metadata.ear.jboss.JBossAppMetaDataorg.jboss.classloading.spi.visitor.ResourceFilter.recurse
`--org.jboss.deployers.vfs.plugins.annotations.FilteredAnnotationEnvironmentDeployer@25502e


org.jboss.classloading.spi.dependency.Moduleorg.jboss.deployers.spi.annotations.AnnotationEnvironment




org.jboss.classloading.spi.visitor.ResourceFilter.recurse

`--org.jboss.deployment.EarSecurityDeployer@1fac352


org.jboss.metadata.ear.jboss.JBossAppMetaDatajboss.jacc





org.jboss.system.metadata.ServiceMetaData
`--org.jboss.deployment.OptAnnotationMetaDataDeployer@7f9e04


org.jboss.metadata.web.spec.WebMetaDataannotated.org.jboss.metadata.ejb.spec.EjbJarMetaData




org.jboss.metadata.ejb.spec.EjbJarMetaDataannotated.org.jboss.metadata.web.spec.WebMetaData




org.jboss.metadata.client.spec.ApplicationClientMetaDataannotated.org.jboss.metadata.client.spec.ApplicationClientMetaData




org.jboss.deployers.spi.annotations.AnnotationEnvironment

`--org.jboss.ejb.deployers.MergedJBossMetaDataDeployer@1ad552c


annotated.org.jboss.metadata.ejb.spec.EjbJarMetaDatamerged.org.jboss.metadata.ejb.jboss.JBossMetaData




org.jboss.metadata.ejb.jboss.JBossMetaDataorg.jboss.metadata.ejb.jboss.JBossMetaData




org.jboss.metadata.ejb.spec.EjbJarMetaData

`--org.jboss.ejb3.deployers.MergedJBossClientMetaDataDeployer@1219665


annotated.org.jboss.metadata.client.spec.ApplicationClientMetaDatamerged.org.jboss.metadata.client.jboss.JBossClientMetaData




org.jboss.metadata.client.jboss.JBossClientMetaDataorg.jboss.metadata.client.jboss.JBossClientMetaData




org.jboss.metadata.client.spec.ApplicationClientMetaData

`--org.jboss.ha.framework.server.deployers.Ejb2HAPartitionDependencyDeployer@19bb448


merged.org.jboss.metadata.ejb.jboss.JBossMetaDatamerged.org.jboss.metadata.ejb.jboss.JBossMetaData
`--org.jboss.ha.framework.server.deployers.Ejb3HAPartitionDependencyDeployer@1033c7e


merged.org.jboss.metadata.ejb.jboss.JBossMetaDatamerged.org.jboss.metadata.ejb.jboss.JBossMetaData
`--org.jboss.ejb.deployers.EjbMetadataJndiPolicyDecoratorDeployer@8ee94b


merged.org.jboss.metadata.ejb.jboss.JBossMetaDataEjbMetadataJndiPolicyDecoratorDeployer
`--org.jboss.ejb.deployers.StandardJBossMetaDataDeployer@101f8f4


merged.org.jboss.metadata.ejb.jboss.JBossMetaDataorg.jboss.metadata.ejb.jboss.JBossMetaData




org.jboss.metadata.ejb.jboss.JBossMetaDataraw.org.jboss.metadata.ejb.jboss.JBossMetaData




standardjboss.xml

`--org.jboss.ejb.deployers.EjbSecurityDeployer@514577


merged.org.jboss.metadata.ejb.jboss.JBossMetaDatajboss.jacc




org.jboss.metadata.ejb.jboss.JBossMetaDataorg.jboss.system.metadata.ServiceMetaData
`--org.jboss.web.deployers.MergedJBossWebMetaDataDeployer@1c9982e


org.jboss.metadata.web.spec.WebMetaDataorg.jboss.metadata.web.jboss.JBossWebMetaData




annotated.org.jboss.metadata.web.spec.WebMetaDatamerged.org.jboss.metadata.web.jboss.JBossWebMetaData




org.jboss.metadata.web.jboss.JBossWebMetaData

`--org.jboss.deployment.MappedReferenceMetaDataResolverDeployer@1908558

Xorg.jboss.metadata.ejb.jboss.JBossMetaDataorg.jboss.deployment.spi.DeploymentEndpointResolver




org.jboss.metadata.web.jboss.JBossWebMetaData





org.jboss.metadata.client.jboss.JBossClientMetaData

`--org.jboss.web.deployers.WarSecurityDeployer@18a4622


org.jboss.metadata.web.jboss.JBossWebMetaDatajboss.jacc





org.jboss.system.metadata.ServiceMetaData
Describe
`--org.jboss.deployers.vfs.plugins.classloader.InMemoryClassesDeployer@4de3feX


org.jboss.classloading.spi.metadata.ClassLoadingMetaData
`--org.jboss.deployers.vfs.plugins.classloader.VFSClassLoaderClassPathDeployer@157b39f


org.jboss.classloading.spi.metadata.ClassLoadingMetaDataorg.jboss.classloading.spi.metadata.ClassLoadingMetaData
`--org.jboss.deployers.vfs.plugins.classloader.VFSClassLoaderDescribeDeployer@e0d16b


org.jboss.classloading.spi.metadata.ClassLoadingMetaData

`--org.jboss.web.tomcat.service.deployers.ClusteringDependencyDeployer@ebdfff


org.jboss.metadata.web.jboss.JBossWebMetaDataorg.jboss.metadata.web.jboss.JBossWebMetaData
PreDescribe
`--org.jboss.deployers.plugins.classloading.ClassLoadingDefaultDeployer@721965X

org.jboss.classloading.spi.metadata.ClassLoadingMetaDataorg.jboss.classloading.spi.metadata.ClassLoadingMetaData
PostParse
`--org.jboss.resource.deployers.ManagedConnectionFactoryClassLoaderDeployer@11d00cf


org.jboss.resource.metadata.mcf.ManagedConnectionFactoryDeploymentGrouporg.jboss.classloading.spi.metadata.ClassLoadingMetaData
`--org.jboss.system.deployers.HackClassloaderMetaDataDeployer@1eef2c


org.jboss.mx.loading.LoaderRepositoryFactory$LoaderRepositoryConfigorg.jboss.classloading.spi.metadata.ClassLoadingMetaData
`--org.jboss.web.tomcat.service.deployers.ClusteringDefaultsDeployer@f8d6a6


org.jboss.metadata.web.jboss.JBossWebMetaDataorg.jboss.metadata.web.jboss.JBossWebMetaData
`--org.jboss.web.tomcat.service.deployers.WarClassLoaderDeployer@192c4c


org.jboss.metadata.web.jboss.JBossWebMetaDataorg.jboss.classloading.spi.metadata.ClassLoadingMetaData




org.jboss.classloading.spi.metadata.ClassLoadingMetaData

`--org.jboss.seam.integration.microcontainer.deployers.SeamWebUrlIntegrationDeployer@145240a


org.jboss.metadata.web.jboss.JBossWebMetaData

Parse
`--org.jboss.deployers.vfs.deployer.kernel.BeanDeployer@57dc15



org.jboss.kernel.spi.deployment.KernelDeployment
`--org.jboss.deployers.vfs.spi.deployer.SchemaResolverDeployer@13bc30a



org.jboss.classloading.spi.metadata.ClassLoadingMetaData
`--org.jboss.deployers.vfs.spi.deployer.SchemaResolverDeployer@1ba1d9



org.jboss.aop.microcontainer.beans.metadata.AOPDeployment
`--org.jboss.deployers.vfs.spi.deployer.SchemaResolverDeployer@543937



org.jboss.security.microcontainer.beans.metadata.SecurityPolicyMetaData
`--org.jboss.deployers.vfs.spi.deployer.SchemaResolverDeployer@bbe4cf



org.jboss.hibernate.deployers.metadata.HibernateMetaData
`--org.jboss.deployment.AppParsingDeployer@97ed28



org.jboss.metadata.ear.spec.EarMetaData
`--org.jboss.deployment.JBossAppParsingDeployer@17a33f2



org.jboss.metadata.ear.jboss.JBossAppMetaData
`--org.jboss.ejb3.deployers.AppClientParsingDeployer@b11287



org.jboss.metadata.client.spec.ApplicationClientMetaData
`--org.jboss.ejb3.deployers.JBossClientParsingDeployer@18cecd


org.jboss.metadata.client.spec.ApplicationClientMetaDataorg.jboss.metadata.client.jboss.JBossClientMetaData
`--org.jboss.ejb3.deployers.PersistenceUnitParsingDeployer@d9c6e2



org.jboss.metadata.jpa.spec.PersistenceMetaData
`--org.jboss.jpa.deployers.PersistenceParsingDeployer@105e560



org.jboss.metadata.jpa.spec.PersistenceMetaData
`--org.jboss.resource.deployers.ManagedConnectionFactoryParserDeployer@1310e0a



org.jboss.resource.metadata.mcf.ManagedConnectionFactoryDeploymentGroup
`--org.jboss.resource.deployers.RARParserDeployer@1ba640



org.jboss.resource.metadata.RARDeploymentMetaData
`--org.jboss.system.deployers.SARDeployer@83e35b



org.jboss.system.metadata.ServiceDeployment
`--org.jboss.varia.deployment.LegacyBeanShellDeployer@4a4e31



org.jboss.varia.deployment.BeanShellScript
`--org.jboss.aop.asintegration.jboss5.AOPAnnotationMetaDataParserDeployer@1e40274



org.jboss.aop.microcontainer.beans.metadata.AOPDeployment
`--org.jboss.deployment.EARContentsDeployer@f003c1



org.jboss.metadata.ear.jboss.JBossAppMetaData
`--org.jboss.deployment.WebAppParsingDeployer@156cd93



org.jboss.metadata.web.spec.WebMetaData
`--org.jboss.deployment.JBossWebAppParsingDeployer@12b2f7f


org.jboss.metadata.web.spec.WebMetaDataorg.jboss.metadata.web.jboss.JBossWebMetaData
`--org.jboss.deployment.EjbParsingDeployer@1d1e765



org.jboss.metadata.ejb.spec.EjbJarMetaData
`--org.jboss.deployment.JBossEjbParsingDeployer@10725b4


org.jboss.metadata.ejb.spec.EjbJarMetaDataorg.jboss.metadata.ejb.jboss.JBossMetaData





org.jboss.metadata.ApplicationMetaData





org.jboss.mx.loading.LoaderRepositoryFactory$LoaderRepositoryConfig





standardjboss.xml

  

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