On Sat, 2003-10-18 at 19:22, Bob Cotton wrote:
> Adrian Brock <[EMAIL PROTECTED]> writes:
> 
> > Hi Bob,
> >
> > The "env" context should be bean specific.
> > In practice a classloader is created for each bean that marks
> > the context to use for java:comp/etc
> > The error you show suggests this has failed, i.e. two beans
> > are using the same context classloader.
> >
> > I can't think of a reason for this, except that possibly you
> > have managed to get java:comp/env into the jvm namespace
> > "java:" rather than the bean specific java:comp/env (this is a guess?)
> >
> > Does your deployment contain a jndi.properties? Normally you see
> > the opposite problem where java: is unavailable because jndi goes
> > over RMI.
> 
> No, no jndi.properties.
> 
> What trace/debug can I turn up to help debug this problem?
> 

Sorry Bob,

this one slipped under my radar until I did "hide read messages" on
jboss-user.

The jndi context is linked to the thread context classloader.
Each bean gets a unique one.
When it fails, show the result of 
ClassLoader cl = Thread.currentThread().getContextClassLoader();
It should be a URLClassLoader with getURLs() empty.
The result of getParent() should be a "web" classloader for 
dynamic downloading of classes
Show getURLs() for cl.getParent() as well

Regards,
Adrian

>  -Bob
> 
> 
> > Regards,
> > Adrian
> >
> > On Wed, 2003-10-15 at 21:06, Bob Cotton wrote:
> >> jboss 3.2.1
> >> 
> >> 
> >> We have statless session beans deployed in the same ear as MDBs.
> >> 
> >> Both the statless and the MDB make other EJB calls. Depending on which
> >> starts working first, if the call is made before the other has been
> >> deployed, we get this error:
> >> 
> >> Ideas?
> >> 
> >>  -Bob
> >> 
> >> 2003-10-15 19:31:42,992 ERROR [org.jboss.ejb.StatelessSessionContainer] Starting 
> >> failed
> >> javax.naming.NameAlreadyBoundException; remaining name 'env'
> >>         at org.jnp.server.NamingServer.createSubcontext(NamingServer.java:451)
> >>         at 
> >> org.jnp.interfaces.NamingContext.createSubcontext(NamingContext.java:811)
> >>         at 
> >> org.jnp.interfaces.NamingContext.createSubcontext(NamingContext.java:797)
> >>         at org.jboss.ejb.Container.setupEnvironment(Container.java:735)
> >>         at org.jboss.ejb.Container.startService(Container.java:568)
> >>         at 
> >> org.jboss.ejb.StatelessSessionContainer.startService(StatelessSessionContainer.java:192)
> >>         at 
> >> org.jboss.system.ServiceMBeanSupport.start(ServiceMBeanSupport.java:192)
> >>         at java.lang.reflect.Method.invoke(Native Method)
> >>         at 
> >> org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284)
> >>         at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:549)
> >>         at 
> >> org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:966)
> >>         at $Proxy9.start(Unknown Source)
> >>         at org.jboss.system.ServiceController.start(ServiceController.java:392)
> >>         at java.lang.reflect.Method.invoke(Native Method)
> >>         at 
> >> org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284)
> >>         at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:549)
> >>         at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:177)
> >>         at $Proxy35.start(Unknown Source)
> >>         at org.jboss.ejb.EjbModule.startService(EjbModule.java:329)
> >>         at 
> >> org.jboss.system.ServiceMBeanSupport.start(ServiceMBeanSupport.java:192)
> >>         at java.lang.reflect.Method.invoke(Native Method)
> >>         at 
> >> org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284)
> >>         at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:549)
> >>         at 
> >> org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:966)
> >>         at $Proxy9.start(Unknown Source)
> >>         at org.jboss.system.ServiceController.start(ServiceController.java:392)
> >>         at java.lang.reflect.Method.invoke(Native Method)
> >>         at 
> >> org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284)
> >>         at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:549)
> >>         at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:177)
> >>         at $Proxy17.start(Unknown Source)
> >>         at org.jboss.ejb.EJBDeployer.start(EJBDeployer.java:540)
> >>         at org.jboss.deployment.MainDeployer.start(MainDeployer.java:832)
> >>         at org.jboss.deployment.MainDeployer.start(MainDeployer.java:824)
> >>         at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:640)
> >>         at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:613)
> >>         at java.lang.reflect.Method.invoke(Native Method)
> >>         at 
> >> org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284)
> >>         at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:549)
> >>         at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:177)
> >>         at $Proxy7.deploy(Unknown Source)
> >>         at 
> >> org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:302)
> >>         at 
> >> org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:476)
> >>         at 
> >> org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.doScan(AbstractDeploymentScanner.java:200)
> >>         at 
> >> org.jboss.deployment.scanner.AbstractDeploymentScanner.startService(AbstractDeploymentScanner.java:273)
> >>         at 
> >> org.jboss.system.ServiceMBeanSupport.start(ServiceMBeanSupport.java:192)
> >>         at java.lang.reflect.Method.invoke(Native Method)
> >>         at 
> >> org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284)
> >>         at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:549)
> >>         at 
> >> org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:966)
> >>         at $Proxy0.start(Unknown Source)
> >>         at org.jboss.system.ServiceController.start(ServiceController.java:392)
> >>         at java.lang.reflect.Method.invoke(Native Method)
> >>         at 
> >> org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284)
> >>         at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:549)
> >>         at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:177)
> >>         at $Proxy5.start(Unknown Source)
> >>         at org.jboss.deployment.SARDeployer.start(SARDeployer.java:226)
> >>         at org.jboss.deployment.MainDeployer.start(MainDeployer.java:832)
> >>         at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:640)
> >>         at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:613)
> >>         at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:597)
> >>         at java.lang.reflect.Method.invoke(Native Method)
> >>         at 
> >> org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284)
> >>         at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:549)
> >>         at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:177)
> >>         at $Proxy6.deploy(Unknown Source)
> >>         at org.jboss.system.server.ServerImpl.doStart(ServerImpl.java:365)
> >>         at org.jboss.system.server.ServerImpl.start(ServerImpl.java:272)
> >>         at org.jboss.Main.boot(Main.java:150)
> >>         at org.jboss.Main$1.run(Main.java:388)
> >>         at java.lang.Thread.run(Thread.java:479)
-- 
xxxxxxxxxxxxxxxxxxxxxxxx 
Adrian Brock
Director of Support
Back Office
JBoss Group, LLC 
xxxxxxxxxxxxxxxxxxxxxxxx 



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