Im looking desperately for a solution to my problem:
I tried to lookup an session bean - named ServiceEjb - from which i only have
one @Remote interface in my class loader (ie. in the ear or in the unit test
runner) from within another session bean, say the SessionBeanFactory.
That session bean - named ServiceEjb - implements other @Remote interfaces. But
i dont care for them. My code is like the user of the factory pattern:
InitialContext().lookup() ist the factory, i get an session bean, i communicate
with it across the one @Remote interface known to me.
Reason why the other @Remote interface needs to be loaded is that the
deserialized statelessproxystub references it in its internals.
When I activate remote class loading ... i can see that the referenced session
bean interfaces get remotely downloaded... but they are not available for the
container that hosts the referencing session bean.
I have a complete example project I can offer to anyone interested
(unfortunately one cannot attach files here). So please ask.
java.lang.RuntimeException: javax.naming.NamingException: Could not dereference
object [Root exception is java.lang.ClassNotFoundExcep
| remote.classloading.problem.integration.remote.UnknownRemoteInterface]
| at
remote.classloading.problem.integration.ear2.SessionBeanFactoryEjb.createBean(SessionBeanFactoryEjb.java:27)
| at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
| at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
| at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:597)
| at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:112)
| at
org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:166)
| at
org.jboss.ejb3.interceptor.EJB3InterceptorsInterceptor.invoke(EJB3InterceptorsInterceptor.java:63)
| at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at
org.jboss.ejb3.entity.TransactionScopedEntityManagerInterceptor.invoke(TransactionScopedEntityManagerInterceptor.java:54)
| at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at
org.jboss.ejb3.AllowedOperationsInterceptor.invoke(AllowedOperationsInterceptor.java:47)
| at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:79)
| at
org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:191)
| at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at
org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:95)
| at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at
org.jboss.ejb3.stateless.StatelessInstanceInterceptor.invoke(StatelessInstanceInterceptor.java:62)
| at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at
org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.java:77)
| at
org.jboss.ejb3.security.Ejb3AuthenticationInterceptor.invoke(Ejb3AuthenticationInterceptor.java:110)
| at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at
org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:46)
| at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at
org.jboss.ejb3.asynchronous.AsynchronousInterceptor.invoke(AsynchronousInterceptor.java:106)
| at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at
org.jboss.ejb3.stateless.StatelessContainer.dynamicInvoke(StatelessContainer.java:304)
| at org.jboss.aop.Dispatcher.invoke(Dispatcher.java:106)
| at
org.jboss.aspects.remoting.AOPRemotingInvocationHandler.invoke(AOPRemotingInvocationHandler.java:82)
| at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:809)
| at
org.jboss.remoting.transport.socket.ServerThread.processInvocation(ServerThread.java:572)
| at
org.jboss.remoting.transport.socket.ServerThread.dorun(ServerThread.java:373)
| at
org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:166)
| at
org.jboss.remoting.MicroRemoteClientInvoker.invoke(MicroRemoteClientInvoker.java:163)
| at org.jboss.remoting.Client.invoke(Client.java:1634)
| at org.jboss.remoting.Client.invoke(Client.java:548)
| at
org.jboss.aspects.remoting.InvokeRemoteInterceptor.invoke(InvokeRemoteInterceptor.java:62)
| at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at
org.jboss.aspects.tx.ClientTxPropagationInterceptor.invoke(ClientTxPropagationInterceptor.java:67)
| at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at
org.jboss.aspects.security.SecurityClientInterceptor.invoke(SecurityClientInterceptor.java:53)
| at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at
org.jboss.ejb3.remoting.IsLocalInterceptor.invoke(IsLocalInterceptor.java:74)
| at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at
org.jboss.ejb3.stateless.StatelessRemoteProxy.invoke(StatelessRemoteProxy.java:107)
| at $Proxy6.createBean(Unknown Source)
| at
remote.classloading.problem.integration.SessionBeanFactoryTest.testLookupWithoutInterface(SessionBeanFactoryTest.java:25)
| at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
Here the server tells us that he is loading class bytecode.
00:16:18,203 DEBUG [MarshallerLoaderHandler] MarshallerLoaderHandler received
invocation with param of load_class and data type of
| null
| 00:16:18,203 DEBUG [MarshallerLoaderHandler] MarshallerLoaderHandler:
loading class: remote.classloading.problem.integration.remot
| e.UnknownRemoteInterface
| 00:16:18,203 DEBUG [MarshallerLoaderHandler] searching repository
integration:loader=integration-1.0.EAR
| 00:16:18,203 DEBUG [MarshallerLoaderHandler] found class in repository
integration:loader=integration-1.0.EAR
| 00:16:18,203 DEBUG [MarshallerLoaderHandler] MarshallerLoaderHandler:
returning class: remote.classloading.problem.integration.rem
| ote.UnknownRemoteInterface: ClassBytes
[class=remote.classloading.problem.integration.remote.UnknownRemoteInterface,[EMAIL
PROTECTED]
| b]
| 00:16:18,203 DEBUG [ClassByteClassLoader] loaded from network: ClassBytes
[class=remote.classloading.problem.integration.remote.Un
| knownRemoteInterface,[EMAIL PROTECTED]
| 00:16:18,203 DEBUG [ClassByteClassLoader] attempting to load from network:
remote.classloading.problem.integration.remote.KnownRem
| oteInterface
In the deploy/ejb3.deployer/META-INF/jboss-service.xml I put this configuration:
| <mbean code="org.jboss.remoting.transport.Connector"
|
name="jboss.remoting:type=Connector,name=DefaultEjb3Connector,handler=ejb3">
| <depends>jboss.aop:service=AspectDeployer</depends>
| <attribute name="Configuration">
| <config>
| <invoker transport="socket">
| <attribute name="loaderport" isParam="true">4873</attribute>
| <attribute
name="serverBindAddress">${jboss.bind.address}</attribute>
| <attribute name="serverBindPort">3873</attribute>
| <attribute name="numAcceptThreads">2</attribute>
| <attribute name="maxPoolSize">300</attribute>
| <attribute name="clientMaxPoolSize"
isParam="true">50</attribute>
| <attribute name="timeout"
isParam="true">120000</attribute>
| <attribute name="serializationtype"
isParam="true">java</attribute>
| <attribute name="byvalue"
isParam="true">true</attribute>
| <attribute name="force_remote"
isParam="true">true</attribute>
| </invoker>
|
| <repositories>
|
<repository>integration:loader=integration-1.0.EAR</repository>
| </repositories>
|
| <handlers>
| <handler
subsystem="AOP">org.jboss.aspects.remoting.AOPRemotingInvocationHandler</handler>
| </handlers>
| </config>
| </attribute>
| </mbean>
The server jboss starts with
anonymous wrote : set
JAVA_OPTS=-Djava.security.manager=java.rmi.RMISecurityManager
-Djava.security.policy=server.policy %JAVA_OPTS%
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