javax.naming.CommunicationException......how to solve this p

[aqil]

i dont know why but the following exception occures while compling JMS samples,plz help me to find what should i do ?
=========================================
C:\jboss\\build>ant jms-hello-subscriber
Buildfile: build.xml

validate-servlet:

validate-jboss:

fail_if_not_valid:

init:
[echo] Using JBoss directory=C:\Jetty\JBoss-2.2.2_Jetty-3.1.RC5\jboss
[echo] Using base classpath=C:\Jetty\JBoss-2.2.2_Jetty-3.1.RC5\jboss\client
\ejb.jar;C:\Jetty\JBoss-2.2.2_Jetty-3.1.RC5\jboss\client\jaas.jar;C:\Jetty\JBoss
-2.2.2_Jetty-3.1.RC5\jboss\client\jbosssx-client.jar;C:\Jetty\JBoss-2.2.2_Jetty-
3.1.RC5\jboss\client\jboss-client.jar;C:\Jetty\JBoss-2.2.2_Jetty-3.1.RC5\jboss\c
lient\jnp-client.jar;C:\Jetty\JBoss-2.2.2_Jetty-3.1.RC5\jetty\lib\javax.servlet.
jar
[echo] Using Source directory=C:\JbossTom\jboss\Examples\documentation-exam
ple\examples
[echo] Using Build directory=C:\JbossTom\jboss\Examples\documentation-examp
le\examples/build-examples

jms-hello-subscriber:

validate:

fail_if_not_valid:

init:
[echo] Using JBoss directory=C:\Jetty\JBoss-2.2.2_Jetty-3.1.RC5\jboss
[echo] Using base classpath=C:\Jetty\JBoss-2.2.2_Jetty-3.1.RC5\jboss\client
\ejb.jar;C:\Jetty\JBoss-2.2.2_Jetty-3.1.RC5\jboss\client\jaas.jar;C:\Jetty\JBoss
-2.2.2_Jetty-3.1.RC5\jboss\client\jbosssx-client.jar;C:\Jetty\JBoss-2.2.2_Jetty-
3.1.RC5\jboss\client\jboss-client.jar;C:\Jetty\JBoss-2.2.2_Jetty-3.1.RC5\jboss\c
lient\jnp-client.jar;C:\Jetty\JBoss-2.2.2_Jetty-3.1.RC5\jetty\lib\javax.servlet.
jar
[echo] Using Source directory=C:\JbossTom\jboss\Examples\documentation-exam
ple\examples
[echo] Using Build directory=C:\JbossTom\jboss\Examples\documentation-examp
le\examples/build-examples

compile:

jms-hello-subscriber:
[echo] Using resources from: C:\JbossTom\jboss\Examples\documentation-examp
le\examples/resources

[java] An exception occured while testing HelloPublisher: javax.naming.Comm
unicationException [Root exception is java.rmi.UnmarshalException: error unmarsh
alling return; nested exception is:
[java] java.lang.ClassNotFoundException: org.jboss.mq.referenceable.Obj
ectRefAddr (no security manager: RMI class loader disabled)]
[java] javax.naming.CommunicationException. Root exception is java.rmi.Unm
arshalException: error unmarshalling return; nested exception is:
[java] java.lang.ClassNotFoundException: org.jboss.mq.referenceable.Obj
ectRefAddr (no security manager: RMI class loader disabled)
[java] at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:169)
[java] at org.jnp.server.NamingServer_Stub.lookup(Unknown Source)
[java] at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:34
9)
[java] at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:33
3)
[java] at javax.naming.InitialContext.lookup(InitialContext.java:347)
[java] at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:42
1)
[java] at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:33
3)
[java] at javax.naming.InitialContext.lookup(InitialContext.java:347)
[java] at org.jboss.docs.jms.client.HelloSubscriber.(HelloSubscri
ber.java:72)
[java] at org.jboss.docs.jms.client.HelloSubscriber.main(HelloSubscribe
r.java:133)
[java] Caused by: java.lang.ClassNotFoundException: org.jboss.mq.referencea
ble.ObjectRefAddr (no security manager: RMI class loader disabled)
[java] at sun.rmi.server.LoaderHandler.loadClass(LoaderHandler.java:368
)
[java] at sun.rmi.server.LoaderHandler.loadClass(LoaderHandler.java:159
)
[java] at java.rmi.server.RMIClassLoader$2.loadClass(RMIClassLoader.jav
a:629)
[java] at java.rmi.server.RMIClassLoader.loadClass(RMIClassLoader.java:
257)
[java] at sun.rmi.server.MarshalInputStream.resolveClass(MarshalInputSt
ream.java:200)
[java] at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.
java:1503)
[java] at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.jav
a:1425)
[java] at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStrea
m.java:1616)
[java] at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:
1264)
[java] at java.io.ObjectInputStream.readArray(ObjectInputStream.java:15
93)
[java] at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:
1261)
[java] at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream
.java:1830)
[java] at java.io.ObjectInputStream.readSerialData(ObjectInputStream.ja
va:1756)
[java] at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStrea
m.java:1636)
[java] at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:
1264)
[java] at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream
.java:1830)
[java] at java.io.ObjectInputStream.readSerialData(ObjectInputStream.ja
va:1756)
[java] at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStrea
m.java:1636)
[java] at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:
1264)
[java] at java.io.ObjectInputStream.readObject(ObjectInputStream.java:3
22)
[java] at sun.rmi.server.UnicastRef.unmarshalValue(UnicastRef.java:297)

[java] at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:146)
[java] ... 9 more

BUILD SUCCESSFUL

Total time: 4 seconds

[pra]

It looks as if you are running the examples against a server version you have not started. Are you running the 2.2.2 server when doing the test?

//Peter

[aqil]

u r right ! i'made a very silly mistake , thanks for giving time and solving the problem.