FYI
---------------------------------------------------------------
On JBoss + SM:
20:20:53,500 INFO [ComponentMBeanImpl] Starting component:
com.gaiati.jbi.component.csi.CsiBinding
20:20:53,500 INFO [ComponentMBeanImpl] Initializing component:
com.gaiati.jbi.component.csi.CsiBinding
20:20:53,500 INFO [CsiBinding] getLifeCycle
20:20:53,500 INFO [CsiBinding] init
20:20:53,515 INFO [CsiBinding] Current Thread context class loader:
[EMAIL PROTECTED]
url=file:/C:/bin/jboss-4.0.3SP1/server/gaiati/tmp/deploy/tmp
56904csi-0.1.jar ,addedOrder=39}
20:20:53,515 INFO [CsiBinding] ComponentContext class loader:
[EMAIL PROTECTED]
url=file:/C:/bin/jboss-4.0.3SP1/server/gaiati/tmp/deploy/tmp56877s
ervicemix-deployer-3.0.sar ,addedOrder=12}
20:20:53,515 INFO [CsiBinding] Component class loader:
[EMAIL PROTECTED]
url=file:/C:/bin/jboss-4.0.3SP1/server/gaiati/tmp/deploy/tmp56904csi-0.1.
jar ,addedOrder=39}
20:20:53,531 INFO [CsiBinding] loaded through threadContext
20:20:53,531 INFO [XmlBeanDefinitionReader] Loading XML bean definitions
from resource loaded through InputStream
20:20:53,562 INFO [ComponentApplicationContext] 9 beans defined in
application context
[com.gaiati.jbi.component.support.ComponentApplicationContext;hashCode=25418
390]
----------------------------------------------------------------
On SM standalone:
INFO - ComponentMBeanImpl.start(206) | Starting component:
com.gaiati.jbi.component.csi.CsiBinding
INFO - ComponentMBeanImpl.init(184) | Initializing component:
com.gaiati.jbi.component.csi.CsiBinding
INFO - AbstractComponentAdapter.getLifeCycle(35) | getLifeCycle
INFO - AbstractComponentAdapter.init(45) | init
INFO - AbstractComponentAdapter.init(50) | forName failed
INFO - AbstractComponentAdapter.init(56) | forName with context class loader
failed
INFO - AbstractComponentAdapter.init(58) | Current Thread context class
loader: [EMAIL PROTECTED]
INFO - AbstractComponentAdapter.init(59) | ComponentContext class loader:
[EMAIL PROTECTED]
INFO - AbstractComponentAdapter.init(60) | Component class loader:
[EMAIL PROTECTED]
INFO - AbstractComponentAdapter.init(73) | Not Loaded
java.lang.ClassNotFoundException:
com.gaiati.jbi.component.csi.CsiServiceUnitManager
ERROR - ComponentMBeanImpl.start(215) | Could not start component
org.springframework.beans.factory.BeanDefinitionStoreException: Error
registering bean with name 'serviceUnitManager' defined in resource loaded
through InputStream: Bean class [
com.gaiati.jbi.component.csi.CsiServiceUnitManager] not found; nested
exception is java.lang.ClassNotFoundException:
com.gaiati.jbi.component.csi.CsiServiceUnitManager
java.lang.ClassNotFoundException:
com.gaiati.jbi.component.csi.CsiServiceUnitManager
at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at
org.codehaus.classworlds.RealmClassLoader.loadClassDirect(RealmClassLoader.j
ava:195)
at
org.codehaus.classworlds.DefaultClassRealm.loadClassDirect(DefaultClassRealm
.java:412)
at
org.codehaus.classworlds.DefaultClassRealm.loadClass(DefaultClassRealm.java:
376)
at
org.codehaus.classworlds.RealmClassLoader.loadClass(RealmClassLoader.java:21
4)
at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:242)
at org.springframework.util.ClassUtils.forName(ClassUtils.java:108)
at
org.springframework.beans.factory.support.BeanDefinitionReaderUtils.createBe
anDefinition(BeanDefinitionReaderUtils.java:65)
at
org.springframework.beans.factory.xml.DefaultXmlBeanDefinitionParser.parseBe
anDefinitionElement(DefaultXmlBeanDefinitionParser.java:426)
at
org.springframework.beans.factory.xml.DefaultXmlBeanDefinitionParser.parseBe
anDefinitionElement(DefaultXmlBeanDefinitionParser.java:392)
at
org.springframework.beans.factory.xml.DefaultXmlBeanDefinitionParser.parseBe
anDefinitions(DefaultXmlBeanDefinitionParser.java:307)
at
org.springframework.beans.factory.xml.DefaultXmlBeanDefinitionParser.registe
rBeanDefinitions(DefaultXmlBeanDefinitionParser.java:191)
at
org.springframework.beans.factory.xml.XmlBeanDefinitionReader.registerBeanDe
finitions(XmlBeanDefinitionReader.java:295)
at
org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefi
nitions(XmlBeanDefinitionReader.java:223)
at
org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefini
tions(XmlBeanDefinitionReader.java:173)
at
org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefini
tions(XmlBeanDefinitionReader.java:148)
at
com.gaiati.jbi.component.support.AbstractComponentAdapter.init(AbstractCompo
nentAdapter.java:94)
at
org.apache.servicemix.jbi.framework.ComponentMBeanImpl.init(ComponentMBeanIm
pl.java:192)
at
org.apache.servicemix.jbi.framework.ComponentMBeanImpl.doStart(ComponentMBea
nImpl.java:279)
at
org.apache.servicemix.jbi.framework.ComponentMBeanImpl.start(ComponentMBeanI
mpl.java:208)
at
org.apache.servicemix.jbi.framework.InstallationService.install(Installation
Service.java:377)
at
org.apache.servicemix.jbi.framework.InstallationService.install(Installation
Service.java:342)
at
org.apache.servicemix.jbi.framework.AutoDeploymentService.updateArchive(Auto
DeploymentService.java:220)
at
org.apache.servicemix.jbi.framework.AutoDeploymentService$2.run(AutoDeployme
ntService.java:507)
at
org.apache.geronimo.connector.work.WorkerContext.run(WorkerContext.java:291)
at
EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Thread.java:595)
-----Original Message-----
From: Guillaume Nodet [mailto:[EMAIL PROTECTED]
Sent: Tuesday, May 02, 2006 5:39 PM
To: [email protected]
Subject: Re: Class loading problem
If the class is extended by the component, you should be able to use
getClass().getClassLoader()
which should return the component class loader.
Alternatively,
Thread.currentThread().getContextClassLoader()
should return the same as the previous call.
Cheers,
Guillaume Nodet
On 5/2/06, Hossam Karim <[EMAIL PROTECTED]> wrote:
> Ok, keeping it simple, can you tell me which class loader I can use to
> explicitly load a class on the component class path from code on the
> container class path?
> My case is simple; I have a library of helper classes over the JBI API
that
> resides in the SM lib directory. One of these classes
> (AbstractComponentAdapter) is always extended by the component class. When
> SM invokes the 'init' method, ' AbstractComponentAdapter' tries to load
some
> Spring beans from an XML file that comes with the installed artifact.
> Forgetting about Spring, I just need to be sure that I can load any class
on
> the component's class path from the shared code. The ComponentContext
class
> loader should be the one, but still not working.
>
> Thanks for your patience,
> Hossam
>
>
> -----Original Message-----
> From: Guillaume Nodet [mailto:[EMAIL PROTECTED]
> Sent: Tuesday, May 02, 2006 1:10 AM
> To: [email protected]
> Subject: Re: Class loading problem
>
> You may try the following things:
> * set the thread classloader to the classloader of the component
> (though this should have already been done by ServiceMix)
> * change the classloader so that it delegates to the component
> before trying the parent classloader: this will ensure spring is
> loaded from the component class loader (you have to put it in the
> component class path)
> * use xbean as done inside the servicemix-common / XbeanDeployer (it
> works)
>
> It seems really strange as all ServiceMix components use spring to
> load service unit as an xbean / spring configuration file.
> I think that the spring application context may have some property to
> override the classloader to use: maybe you have to set it explicitely
> to your thread context classloader.
>
> Cheers,
> Guillaume Nodet
>
> On 5/1/06, Hossam Karim <[EMAIL PROTECTED]> wrote:
> > Well, it is not working, Spring can't find the classes although they are
> in
> > the components class path, and the loading takes place in the 'init'
> method
> >
> > -----Original Message-----
> > From: Guillaume Nodet [mailto:[EMAIL PROTECTED]
> > Sent: Monday, May 01, 2006 2:22 PM
> > To: [email protected]
> > Subject: Re: Class loading problem
> >
> > You should include the jars where the beans are in the component
> classpath.
> > If you want to do that at bootstrap time, you need to include them in
> > the bootstrap classloader that you define in your jbi descriptor.
> > This classloader has servicemix container classloader as a parent and
> > includes all the jars listed in the bootstrap classloader defined in
> > the jbi descriptor.
> > Spring should use the thread context class loader to load beans, so it
> > should work even if spring is in the parent class loader (the
> > container one).
> >
> > Cheers,
> > Guillaume Nodet
> >
> > On 5/1/06, Hossam Karim <[EMAIL PROTECTED]> wrote:
> > > So if I am loading some beans XML source that comes with the component
> > > installation artifact, is it expected that Spring can normally load
the
> > > beans, or should a special procedure be taken according to your
> > > understanding of SM class loading mechanism?
> > >
> > >
> > > -----Original Message-----
> > > From: Guillaume Nodet [mailto:[EMAIL PROTECTED]
> > > Sent: Monday, May 01, 2006 10:07 AM
> > > To: [email protected]
> > > Subject: Re: Class loading problem
> > >
> > > ServiceMix has the spring jars inside its classpath, so it is also
> > > available to the components. But if you want your component to be
> > > container independant, you have to include it.
> > >
> > > Cheers,
> > > Guillaume Nodet
> > >
> > > On 4/29/06, Hossam Karim <[EMAIL PROTECTED]> wrote:
> > > > I guess you mean the component class loader. Do I really need to do
> > that,
> > > > add the library to the runtime and deploy it again with the
component
> > > > installation artifact? This means also that Spring libraries have to
> be
> > in
> > > > the component class path as well in order to create the beans.
> > > >
> > > > -----Original Message-----
> > > > From: Guillaume Nodet [mailto:[EMAIL PROTECTED]
> > > > Sent: Friday, April 28, 2006 11:03 PM
> > > > To: [email protected]
> > > > Subject: Re: Class loading problem
> > > >
> > > > Did you put your jar in the bootstrap class loader (in your jbi
> > > descriptor)
> > > > ?
> > > > Not only in the runtime class loader ?
> > > >
> > > > Cheers,
> > > > Guillaume Nodet
> > > >
> > > > On 4/28/06, Hossam Karim <[EMAIL PROTECTED]> wrote:
> > > > > BTW, I set the bean reader to use the component's class loader,
but
> > > still
> > > > > Spring can't find the class.
> > > > >
> > > > > On 4/28/06, Hossam Karim <[EMAIL PROTECTED]> wrote:
> > > > > >
> > > > > > Thanks Guillaume and congratulations,
> > > > > >
> > > > > > OK, then. I am not going to argue about why this is not the case
> in
> > > the
> > > > > > JBoss environment since it is not supported.
> > > > > > Now I moved the shared code to the lib directory, so the
Bootstrap
> > is
> > > > > > initialized. The component implementation base class is also in
> this
> > > > shared
> > > > > > code, I am trying to load some beans from the shared code, and
the
> > > bean
> > > > > > class comes with the component installation artifact, so I am
> asking
> > > the
> > > > JBI
> > > > > > class loader to load resources available only to the component
> class
> > > > loader
> > > > > > which is also NOT JBI complaint, right?
> > > > > > Do you suggest a solution for this?
> > > > > >
> > > > > > INFO - AbstractBootstrapAdapter.init(17) | init
> > > > > > INFO - AbstractBootstrapAdapter.onInstall(30) | onInstall
> > > > > > INFO - AbstractBootstrapAdapter.cleanUp(21) | cleanUp
> > > > > > INFO - ComponentMBeanImpl.start(206) | Starting component:
> > > > > > com.gaiati.jbi.component.csi.CsiBinding
> > > > > > INFO - ComponentMBeanImpl.init(184) | Initializing component:
> > > > > > com.gaiati.jbi.component.csi.CsiBinding
> > > > > > INFO - AbstractComponentAdapter.getLifeCycle (35) | getLifeCycle
> > > > > > INFO - AbstractComponentAdapter.init(45) | init
> > > > > > ERROR - ComponentMBeanImpl.start(215) | Could not start
component
> > > > > > org.springframework.beans.factory.BeanDefinitionStoreException:
> > Error
> > > > > > registering bean with name 'serviceUnitManager' defined in
> resource
> > > > loaded
> > > > > > through InputStream: Bean class
> > > > > > com.gaiati.jbi.component.csi.CsiServiceUnitManager] not found;
> > nested
> > > > > > exception is java.lang.ClassNotFoundException:
> > > > > > com.gaiati.jbi.component.csi.CsiServiceUnitManager
> > > > > > java.lang.ClassNotFoundException:
> > > > > > com.gaiati.jbi.component.csi.CsiServiceUnitManager
> > > > > > at
> > > > > >
> org.apache.servicemix.jbi.loaders.ParentFirstClassLoader.loadClass(
> > > > > > ParentFirstClassLoader.java:83)
> > > > > >
> > > > > > at
> > > > > >
> org.apache.servicemix.jbi.loaders.InstallationClassLoader.loadClass(
> > > > > > InstallationClassLoader.java :99)
> > > > > > at
> > > java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
> > > > > > at java.lang.Class.forName0(Native Method)
> > > > > > at java.lang.Class.forName(Class.java:242)
> > > > > > at org.springframework.util.ClassUtils.forName
> > > (ClassUtils.java
> > > > > > :108)
> > > > > > at
> > > > > >
> > > >
> > >
> >
>
org.springframework.beans.factory.support.BeanDefinitionReaderUtils.createBe
> > > > anDefinition
> > > > > > (BeanDefinitionReaderUtils.java:65)
> > > > > > at
> > > > > >
> > > >
> > >
> >
>
org.springframework.beans.factory.xml.DefaultXmlBeanDefinitionParser.parseBe
> > > > anDefinitionElement(
> > > > > > DefaultXmlBeanDefinitionParser.java:426)
> > > > > > at
> > > > > >
> > > >
> > >
> >
>
org.springframework.beans.factory.xml.DefaultXmlBeanDefinitionParser.parseBe
> > > > anDefinitionElement
> > > > > > (DefaultXmlBeanDefinitionParser.java:392)
> > > > > > at
> > > > > >
> > > >
> > >
> >
>
org.springframework.beans.factory.xml.DefaultXmlBeanDefinitionParser.parseBe
> > > > anDefinitions(
> > > > > > DefaultXmlBeanDefinitionParser.java:307)
> > > > > > at
> > > > > >
> > > >
> > >
> >
>
org.springframework.beans.factory.xml.DefaultXmlBeanDefinitionParser.registe
> > > > rBeanDefinitions
> > > > > > (DefaultXmlBeanDefinitionParser.java:191)
> > > > > > at
> > > > > >
> > > >
> > >
> >
>
org.springframework.beans.factory.xml.XmlBeanDefinitionReader.registerBeanDe
> > > > finitions(
> > > > > > XmlBeanDefinitionReader.java:295)
> > > > > > at
> > > > > >
> > > >
> > >
> >
>
org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefi
> > > > nitions
> > > > > > (XmlBeanDefinitionReader.java:223)
> > > > > > at
> > > > > >
> > > >
> > >
> >
>
org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefini
> > > > tions(
> > > > > > XmlBeanDefinitionReader.java:173)
> > > > > > at
> > > > > >
> > > >
> > >
> >
>
org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefini
> > > > tions
> > > > > > (XmlBeanDefinitionReader.java:148)
> > > > > > at
> > > > com.gaiati.jbi.component.support.AbstractComponentAdapter.init(
> > > > > > AbstractComponentAdapter.java:60)
> > > > > > at
> > > org.apache.servicemix.jbi.framework.ComponentMBeanImpl.init(
> > > > > > ComponentMBeanImpl.java:192)
> > > > > > at
> > > > org.apache.servicemix.jbi.framework.ComponentMBeanImpl.doStart(
> > > > > > ComponentMBeanImpl.java :279)
> > > > > > at
> > > org.apache.servicemix.jbi.framework.ComponentMBeanImpl.start(
> > > > > > ComponentMBeanImpl.java:208)
> > > > > > at
> > > > org.apache.servicemix.jbi.framework.InstallationService.install
> > > > > > (InstallationService.java:377)
> > > > > >
> > > > > > at
> > > > org.apache.servicemix.jbi.framework.InstallationService.install
> > > > > > (InstallationService.java:342)
> > > > > > at
> > > > > >
> > >
org.apache.servicemix.jbi.framework.AutoDeploymentService.updateArchive(
> > > > > > AutoDeploymentService.java:220)
> > > > > > at
> > > > org.apache.servicemix.jbi.framework.AutoDeploymentService$2.run
> > > > > > (AutoDeploymentService.java:507)
> > > > > > at org.apache.geronimo.connector.work.WorkerContext.run(
> > > > > > WorkerContext.java:291)
> > > > > > at
> > > > EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(Unknown
> > Source)
> > > > > > at java.lang.Thread.run(Thread.java:595)
> > > > > >
> > > > > > On 4/28/06, Guillaume Nodet <[EMAIL PROTECTED] > wrote:
> > > > > > >
> > > > > > > AFAIK, this is not JBI compliant.
> > > > > > > See section 7.3 of the jbi spec.
> > > > > > >
> > > > > > > Cheers,
> > > > > > > Guillaume Nodet
> > > > > > >
> > > > > > > On 4/28/06, Hossam Karim <[EMAIL PROTECTED]> wrote:
> > > > > > > > Hi All,
> > > > > > > > I have a class loading problem that is only happening when
> > > running
> > > > > > > SM in
> > > > > > > > standalone mode. When SM is hosted inside JBoss, there is no
> > > > problem.
> > > > > > > > The situation is like this:
> > > > > > > > I have component with its Bootstrap implementation class
> > extending
> > > a
> > > > > > > class
> > > > > > > > in an installed shared library. The component is referencing
> the
> > > > > > > shared
> > > > > > > > library in its deployment descriptor. I install the shared
> > library
> > > > > > > first
> > > > > > > > then install the component, NoClassDefFoundError exception
is
> > > thrown
> > > > > > > upon
> > > > > > > > installation.
> > > > > > > >
> > > > > > > > Here is the trace:
> > > > > > > >
> > > > > > > > INFO - AutoDeploymentService$2.run(504) | Directory:
install:
> > > > Archive
> > > > > > > > changed: processing csi-0.1.jar ...
> > > > > > > > ERROR - InstallationService.initializeInstaller(528) |
> > Deployment
> > > of
> > > > > > > > Component failed
> > > > > > > > java.lang.NoClassDefFoundError:
> > > > > > > > com/gaiati/jbi/component/support/AbstractBootstrapAdapter
> > > > > > > > at java.lang.ClassLoader.defineClass1(Native Method)
> > > > > > > > at java.lang.ClassLoader.defineClass
> > > (ClassLoader.java:620)
> > > > > > > > at java.security.SecureClassLoader.defineClass(
> > > > > > > > SecureClassLoader.java:124)
> > > > > > > > at
> > java.net.URLClassLoader.defineClass(URLClassLoader.java
> > > > > > > :260)
> > > > > > > > at
> > > > java.net.URLClassLoader.access$100(URLClassLoader.java:56)
> > > > > > > > at
> > java.net.URLClassLoader$1.run(URLClassLoader.java:195)
> > > > > > > > at
java.security.AccessController.doPrivileged(Native
> > > > Method)
> > > > > > > > at
> > > > java.net.URLClassLoader.findClass(URLClassLoader.java:188)
> > > > > > > > at
> > > > > > > >
> > > org.apache.servicemix.jbi.loaders.InstallationClassLoader.findClass(
> > > > > > > > InstallationClassLoader.java:88)
> > > > > > > > at
> > > > > > > >
> > > org.apache.servicemix.jbi.loaders.ParentFirstClassLoader.loadClass(
> > > > > > > > ParentFirstClassLoader.java:74)
> > > > > > > > at
> > > > > > > >
> > > org.apache.servicemix.jbi.loaders.InstallationClassLoader.loadClass(
> > > > > > > > InstallationClassLoader.java :99)
> > > > > > > > at
> > > > > > > >
> > > >
org.apache.servicemix.jbi.framework.InstallerMBeanImpl.createBootstrap
> > > > > > > (
> > > > > > > > InstallerMBeanImpl.java:84)
> > > > > > > > at
> > > > org.apache.servicemix.jbi.framework.InstallerMBeanImpl.<init>(
> > > > > > >
> > > > > > > > InstallerMBeanImpl.java:74)
> > > > > > > > at
> > > > > > > >
> > > > > > >
> > > >
> > >
> >
>
org.apache.servicemix.jbi.framework.InstallationService.initializeInstaller
> > > > > > > (
> > > > > > > > InstallationService.java:520)
> > > > > > > > at
> > > > > > > >
> > > > > > >
> > > >
> > >
> >
>
org.apache.servicemix.jbi.framework.InstallationService.doInstallComponent(
> > > > > > > > InstallationService.java:475)
> > > > > > > > at
> > > > > > > >
> > > > > > >
> > > >
> org.apache.servicemix.jbi.framework.InstallationService.doInstallArchive
> > > > > > > (
> > > > > > > > InstallationService.java:427)
> > > > > > > > at
> > > > > > >
org.apache.servicemix.jbi.framework.InstallationService.install
> (
> > > > > > > > InstallationService.java:349)
> > > > > > > > at
> > > > > > >
org.apache.servicemix.jbi.framework.InstallationService.install(
> > > > > > > > InstallationService.java:342)
> > > > > > > > at
> > > > > > > >
> > > > > > >
> > > >
> org.apache.servicemix.jbi.framework.AutoDeploymentService.updateArchive(
> > > > > > > > AutoDeploymentService.java:220)
> > > > > > > > at
> > > > > > >
org.apache.servicemix.jbi.framework.AutoDeploymentService$2.run(
> > > > > > > > AutoDeploymentService.java:507)
> > > > > > > > at
> org.apache.geronimo.connector.work.WorkerContext.run
> > (
> > > > > > > > WorkerContext.java:291)
> > > > > > > > at
> > > > EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run
> > > > > > > (Unknown
> > > > > > > > Source)
> > > > > > > > at java.lang.Thread.run(Thread.java:595)
> > > > > > > >
> > > > > > > > Any thoughts?
> > > > > > > >
> > > > > > > >
> > > > > > >
> > > > > >
> > > > > >
> > > > >
> > > > >
> > > >
> > > >
> > >
> > >
> >
> >
>
>
