javaspace transaction error

[hari vijayadharan]

Hi all,

I have the following exception in my program...

java.rmi.ServerException: RemoteException in server thread; nested exception is: 
	java.rmi.UnmarshalException: unmarshalling method/arguments; nested exception is: 
	java.lang.ClassNotFoundException: com.sun.jini.mahalo.TxnMgrProxy$ConstrainableTxnMgrProxy
	at net.jini.jeri.BasicInvocationDispatcher.dispatch(BasicInvocationDispatcher.java:644)
	at com.sun.jini.jeri.internal.runtime.ObjectTable$6.run(ObjectTable.java:597)
	at net.jini.export.ServerContext.doWithServerContext(ServerContext.java:103)
	at com.sun.jini.jeri.internal.runtime.ObjectTable$Target.dispatch0(ObjectTable.java:595)
	at com.sun.jini.jeri.internal.runtime.ObjectTable$Target.access$700(ObjectTable.java:212)
	at com.sun.jini.jeri.internal.runtime.ObjectTable$5.run(ObjectTable.java:568)
	at com.sun.jini.start.AggregatePolicyProvider$6.run(AggregatePolicyProvider.java:527)
	at java.security.AccessController.doPrivileged(Native Method)
	at com.sun.jini.jeri.internal.runtime.ObjectTable$Target.dispatch(ObjectTable.java:565)
	at com.sun.jini.jeri.internal.runtime.ObjectTable$Target.dispatch(ObjectTable.java:540)
	at com.sun.jini.jeri.internal.runtime.ObjectTable$RD.dispatch(ObjectTable.java:778)
	at net.jini.jeri.connection.ServerConnectionManager$Dispatcher.dispatch(ServerConnectionManager.java:148)
	at com.sun.jini.jeri.internal.mux.MuxServer$2.run(MuxServer.java:244)
	at com.sun.jini.start.AggregatePolicyProvider$5.run(AggregatePolicyProvider.java:513)
	at java.security.AccessController.doPrivileged(Native Method)
	at com.sun.jini.jeri.internal.mux.MuxServer$1.run(MuxServer.java:241)
	at com.sun.jini.thread.ThreadPool$Worker.run(ThreadPool.java:136)
	at java.lang.Thread.run(Thread.java:619)
	at com.sun.jini.jeri.internal.runtime.Util.__________EXCEPTION_RECEIVED_FROM_SERVER__________(Util.java:108)
	at com.sun.jini.jeri.internal.runtime.Util.exceptionReceivedFromServer(Util.java:101)
	at net.jini.jeri.BasicInvocationHandler.unmarshalThrow(BasicInvocationHandler.java:1303)
	at net.jini.jeri.BasicInvocationHandler.invokeRemoteMethodOnce(BasicInvocationHandler.java:832)
	at net.jini.jeri.BasicInvocationHandler.invokeRemoteMethod(BasicInvocationHandler.java:659)
	at net.jini.jeri.BasicInvocationHandler.invoke(BasicInvocationHandler.java:528)
	at com.sun.jini.outrigger.$Proxy2.write(Unknown Source)
	at com.sun.jini.outrigger.SpaceProxy2.write(SpaceProxy2.java:296)
	at myxml.main(myxml.java:48)
Caused by: java.rmi.UnmarshalException: unmarshalling method/arguments; nested exception is: 
	java.lang.ClassNotFoundException: com.sun.jini.mahalo.TxnMgrProxy$ConstrainableTxnMgrProxy
	at net.jini.jeri.BasicInvocationDispatcher.dispatch(BasicInvocationDispatcher.java:619)
	at com.sun.jini.jeri.internal.runtime.ObjectTable$6.run(ObjectTable.java:597)
	at net.jini.export.ServerContext.doWithServerContext(ServerContext.java:103)
	at com.sun.jini.jeri.internal.runtime.ObjectTable$Target.dispatch0(ObjectTable.java:595)
	at com.sun.jini.jeri.internal.runtime.ObjectTable$Target.access$700(ObjectTable.java:212)
	at com.sun.jini.jeri.internal.runtime.ObjectTable$5.run(ObjectTable.java:568)
	at com.sun.jini.start.AggregatePolicyProvider$6.run(AggregatePolicyProvider.java:527)
	at java.security.AccessController.doPrivileged(Native Method)
	at com.sun.jini.jeri.internal.runtime.ObjectTable$Target.dispatch(ObjectTable.java:565)
	at com.sun.jini.jeri.internal.runtime.ObjectTable$Target.dispatch(ObjectTable.java:540)
	at com.sun.jini.jeri.internal.runtime.ObjectTable$RD.dispatch(ObjectTable.java:778)
	at net.jini.jeri.connection.ServerConnectionManager$Dispatcher.dispatch(ServerConnectionManager.java:148)
	at com.sun.jini.jeri.internal.mux.MuxServer$2.run(MuxServer.java:244)
	at com.sun.jini.start.AggregatePolicyProvider$5.run(AggregatePolicyProvider.java:513)
	at java.security.AccessController.doPrivileged(Native Method)
	at com.sun.jini.jeri.internal.mux.MuxServer$1.run(MuxServer.java:241)
	at com.sun.jini.thread.ThreadPool$Worker.run(ThreadPool.java:136)
	at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.ClassNotFoundException: com.sun.jini.mahalo.TxnMgrProxy$ConstrainableTxnMgrProxy
	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:307)
	at net.jini.loader.pref.PreferredClassLoader.loadClass(PreferredClassLoader.java:922)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
	at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Class.java:247)
	at net.jini.loader.pref.PreferredClassProvider.loadClass(PreferredClassProvider.java:613)
	at java.rmi.server.RMIClassLoader.loadClass(RMIClassLoader.java:247)
	at net.jini.loader.ClassLoading.loadClass(ClassLoading.java:138)
	at net.jini.io.MarshalInputStream.resolveClass(MarshalInputStream.java:296)
	at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1575)
	at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1496)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1732)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1947)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1871)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
	at com.sun.jini.jeri.internal.runtime.Util.unmarshalValue(Util.java:221)
	at net.jini.jeri.BasicInvocationDispatcher.unmarshalArguments(BasicInvocationDispatcher.java:1049)
	at net.jini.jeri.BasicInvocationDispatcher.dispatch(BasicInvocationDispatcher.java:599)
	... 17 more

I am using jini2_1 service and eclipse to run the javaspace program. I have already added the jar files like mahalo,reggie .. in Java Build path of my program. But still I am getting CLASS NOT FOUND EXCEPTION... com.sun.jini.mahalo.TxnMgrProxy$ConstrainableTxnMgrProxy


I tried to debug the program, the thing which I felt suspicious is following:

In my program the JAVASPACE service is running properly. I am using lookupdiscovery mechanism in jini. The lookup discovery mechanism is having a class Listener that implements DiscoveryListener and proxy generated by lookup() method inside discovered() method

_proxy=lus.lookup(_template);

template = >ServiceTemplate object
lus = >ServiceRegistrar object

After
JavaSpace space=SpaceLocator.getSpace();

JAVASPACE PROXY(space) = com.sun.jini.outrigger.ConstrainableSpaceProxy2 for 909c299b-f355-4aca-aa7d-dd61f76c75bf (through Proxy[OutriggerServer,BasicInvocationHandler[BasicObjectEndpoint[12d482de-3914-4217-b607-6c67f796081b,TcpEndpoint[192.168.38.202:2257]]]])




After
Transaction txn=TxnManager.createTxn(60000);

txn has value(TRANSACTION PROXY)=net.jini.core.transaction.server.ServerTransaction [manager=com.sun.jini.mahalo.TxnMgrProxy$ConstrainableTxnMgrProxy@619dbfcc, id=-706526335749167748]

Here when I compared the returned values------ txn proxy does'nt have a tcpendpoint specified, may be this is the reason why the class not found EXCEPTION occuring..

How I can solve this problem...?

[NK: Removed hard to read orange color and put it in code tags]

[Amit Ghorpade]

"harikrishnan vs " please check your private messages for an important administrative matter. You can check them by clicking the My Private Messages link above.