Re: rmi classloading exceptions when launching 1.1

Wed, 26 Apr 2006 07:04:42 -0700

Ok playing around I think I figured out the problem, but its going to be tricky getting a correct solution. The issue is the following...
I'm supporting both V1 and V11 there are several jars at the same versions between 1.0 and 1.1 namely (mx4j, commons-logging, spec jars, etc..). Now I wanted to avoid repacking these jars multiple times so I pushed these into a common runtime plugin, where the V1 and V11 runtime bundles would depend on. The issue seems to be that the common plugin is where the de-serialization is happening and this bundle has no visibility to the class causing the CNF exception since the class is a V11 specific jar. As soon as I put a dependency on the V11 runtime bundle, the problem was resolved. However this (1) introduces a circular dependency between runtime.common and runtime.v11, and (2) Following the same pattern I would have to put a dependency on runtime.common to runtime.v1, which of course introduces the problem of multiple version of clasess in the same cp. 


So I'm going to play around with it some more but it may come down to  
that I am forced for at least a subset of the "common jars" to ship  
duplicates to get both V1 and V11 working and without introducing any  
circular dependencies or multiple versions of classes in the same  
bundle classpath.



- sachin



On Apr 26, 2006, at 8:31 AM, Sachin Patel wrote:


Shoot, I was hoping a stand-alone test case would fail as well, but  
it doesn't.  :( So the issue is specific to invoking this within  
eclipse bundles.


- sachin



On Apr 25, 2006, at 11:17 PM, Sachin Patel wrote:


I'm running into the following exception when launching 1.1 within  
eclipse and I can't figure out what is the root cause.  The actual  
launch of the server is ok but the plugin code checks for when  
geronimo is fully started by checking the kernelFullyStarted  
attribute.  I'm hitting the following set of exceptions below in  
my call to...



AbstractNameQuery query = new AbstractNameQuery 
(PersistentConfigurationList.class.getName());

Set configLists = kernel.listGBeans(query);


IIRC this is the same set of exceptions when people launched  
eclipse in a 1.5 JVM, however in this case I'm launching in 1.4  
and I verified that the 1.0 support still works when calling the  
same code...  I verified the G 1.1 jars I'm repackaging are the  
same as the ones inside the 1.1 image I'm launching but I'm  
hitting this now every single time. :(


Does anyone have any ideas???


org.apache.geronimo.kernel.InternalKernelException:  
java.rmi.UnmarshalException: error unmarshalling return; nested  
exception is:
	java.lang.ClassNotFoundException:  
org.apache.geronimo.gbean.AbstractName (no security manager: RMI  
class loader disabled)
	at org.apache.geronimo.system.jmx.KernelDelegate.listGBeans 
(KernelDelegate.java:831)
	at  
org.apache.geronimo.st.v11.core.GeronimoServerBehaviour.isFullyStarte 
d(GeronimoServerBehaviour.java:158)

        at org.apache.geronimo.st.core.PingThread.run(PingThread.java:57)

Caused by: java.rmi.UnmarshalException: error unmarshalling  
return; nested exception is:
	java.lang.ClassNotFoundException:  
org.apache.geronimo.gbean.AbstractName (no security manager: RMI  
class loader disabled)

        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:169)

	at javax.management.remote.rmi.RMIConnectionImpl_Stub.invoke 
(Unknown Source)

        at mx4j.remote.rmi.ClientInvoker.invoke(ClientInvoker.java:207)
        at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)

	at sun.reflect.DelegatingMethodAccessorImpl.invoke 
(DelegatingMethodAccessorImpl.java:25)

        at java.lang.reflect.Method.invoke(Method.java:324)
        at mx4j.remote.ClientProxy.invoke(ClientProxy.java:32)

	at mx4j.remote.rmi.ClientUnmarshaller.chain 
(ClientUnmarshaller.java:65)
	at mx4j.remote.rmi.ClientUnmarshaller.invoke 
(ClientUnmarshaller.java:54)

        at $Proxy0.invoke(Unknown Source)
        at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)

	at sun.reflect.DelegatingMethodAccessorImpl.invoke 
(DelegatingMethodAccessorImpl.java:25)

        at java.lang.reflect.Method.invoke(Method.java:324)
        at mx4j.remote.ClientProxy.invoke(ClientProxy.java:32)

	at mx4j.remote.rmi.ClientExceptionCatcher.invoke 
(ClientExceptionCatcher.java:40)

        at $Proxy0.invoke(Unknown Source)

	at org.apache.geronimo.system.jmx.KernelDelegate.invokeKernel 
(KernelDelegate.java:880)
	at org.apache.geronimo.system.jmx.KernelDelegate.listGBeans 
(KernelDelegate.java:827)

        ... 2 more

Caused by: java.lang.ClassNotFoundException:  
org.apache.geronimo.gbean.AbstractName (no security manager: RMI  
class loader disabled)

        at sun.rmi.server.LoaderHandler.loadClass(LoaderHandler.java:371)
        at sun.rmi.server.LoaderHandler.loadClass(LoaderHandler.java:165)

	at java.rmi.server.RMIClassLoader$2.loadClass(RMIClassLoader.java: 
631)

        at java.rmi.server.RMIClassLoader.loadClass(RMIClassLoader.java:257)

	at sun.rmi.server.MarshalInputStream.resolveClass 
(MarshalInputStream.java:200)
	at java.io.ObjectInputStream.readNonProxyDesc 
(ObjectInputStream.java:1513)
	at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java: 
1435)
	at java.io.ObjectInputStream.readOrdinaryObject 
(ObjectInputStream.java:1626)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java: 
1274)

        at java.io.ObjectInputStream.readObject(ObjectInputStream.java:324)
        at java.util.HashSet.readObject(HashSet.java:276)
        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:324)

	at java.io.ObjectStreamClass.invokeReadObject 
(ObjectStreamClass.java:838)
	at java.io.ObjectInputStream.readSerialData 
(ObjectInputStream.java:1746)
	at java.io.ObjectInputStream.readOrdinaryObject 
(ObjectInputStream.java:1646)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java: 
1274)

        at java.io.ObjectInputStream.readObject(ObjectInputStream.java:324)
        at sun.rmi.server.UnicastRef.unmarshalValue(UnicastRef.java:297)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:146)
        ... 19 more

org.apache.geronimo.kernel.InternalKernelException:  
java.io.IOException: java.lang.ClassNotFoundException:  
org.apache.geronimo.gbean.GBeanQuery (no security manager: RMI  
class loader disabled)
	at org.apache.geronimo.kernel.jmx.KernelDelegate.listGBeans 
(KernelDelegate.java:231)
	at  
org.apache.geronimo.st.v1.core.GeronimoServerBehaviour.isFullyStarted 
(GeronimoServerBehaviour.java:157)
	at  
org.apache.geronimo.st.core.UpdateServerStateTask.updateFromStopped 
(UpdateServerStateTask.java:70)
	at org.apache.geronimo.st.core.UpdateServerStateTask.run 
(UpdateServerStateTask.java:49)

        at java.util.TimerThread.mainLoop(Timer.java:432)
        at java.util.TimerThread.run(Timer.java:382)

Caused by: java.io.IOException: java.lang.ClassNotFoundException:  
org.apache.geronimo.gbean.GBeanQuery (no security manager: RMI  
class loader disabled)

        at mx4j.remote.rmi.RMIMarshaller.unmarshal(RMIMarshaller.java:155)
        at mx4j.remote.rmi.RMIMarshaller.unmarshal(RMIMarshaller.java:136)

	at mx4j.remote.rmi.RMIConnectionInvoker.invoke 
(RMIConnectionInvoker.java:218)

        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:324)

	at mx4j.remote.rmi.RMIConnectionProxy.invoke 
(RMIConnectionProxy.java:34)
	at mx4j.remote.rmi.RMIConnectionSubjectInvoker.chain 
(RMIConnectionSubjectInvoker.java:99)
	at mx4j.remote.rmi.RMIConnectionSubjectInvoker.access$000 
(RMIConnectionSubjectInvoker.java:31)
	at mx4j.remote.rmi.RMIConnectionSubjectInvoker$1.run 
(RMIConnectionSubjectInvoker.java:90)

        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAsPrivileged(Subject.java:500)

	at mx4j.remote.MX4JRemoteUtils.subjectInvoke(MX4JRemoteUtils.java: 
163)
	at mx4j.remote.rmi.RMIConnectionSubjectInvoker.subjectInvoke 
(RMIConnectionSubjectInvoker.java:86)
	at mx4j.remote.rmi.RMIConnectionSubjectInvoker.invoke 
(RMIConnectionSubjectInvoker.java:80)

        at $Proxy0.invoke(Unknown Source)

	at javax.management.remote.rmi.RMIConnectionImpl.invoke 
(RMIConnectionImpl.java:221)

        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:324)

	at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java: 
261)

        at sun.rmi.transport.Transport$1.run(Transport.java:148)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:144)

	at sun.rmi.transport.tcp.TCPTransport.handleMessages 
(TCPTransport.java:460)
	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run 
(TCPTransport.java:701)

        at java.lang.Thread.run(Thread.java:552)

	at sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer 
(StreamRemoteCall.java:247)
	at sun.rmi.transport.StreamRemoteCall.executeCall 
(StreamRemoteCall.java:223)

        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:133)

	at javax.management.remote.rmi.RMIConnectionImpl_Stub.invoke 
(Unknown Source)

        at mx4j.remote.rmi.ClientInvoker.invoke(ClientInvoker.java:207)
        at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)

	at sun.reflect.DelegatingMethodAccessorImpl.invoke 
(DelegatingMethodAccessorImpl.java:25)

        at java.lang.reflect.Method.invoke(Method.java:324)
        at mx4j.remote.ClientProxy.invoke(ClientProxy.java:32)

	at mx4j.remote.rmi.ClientUnmarshaller.chain 
(ClientUnmarshaller.java:65)
	at mx4j.remote.rmi.ClientUnmarshaller.invoke 
(ClientUnmarshaller.java:54)

        at $Proxy0.invoke(Unknown Source)
        at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)

	at sun.reflect.DelegatingMethodAccessorImpl.invoke 
(DelegatingMethodAccessorImpl.java:25)

        at java.lang.reflect.Method.invoke(Method.java:324)
        at mx4j.remote.ClientProxy.invoke(ClientProxy.java:32)

	at mx4j.remote.rmi.ClientExceptionCatcher.invoke 
(ClientExceptionCatcher.java:40)

        at $Proxy0.invoke(Unknown Source)

	at org.apache.geronimo.kernel.jmx.KernelDelegate.invokeKernel 
(KernelDelegate.java:339)
	at org.apache.geronimo.kernel.jmx.KernelDelegate.listGBeans 
(KernelDelegate.java:227)

        ... 5 more

- sachin





























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