Dear friends,

javax.naming.CommunicationException: Could not obtain connection to any of these urls: localhost:1099 and discovery failed with error: javax.naming.CommunicationException: Receive timed out [Root exception is java.net.SocketTimeoutException: Receive timed out] [Root exception is javax.naming.CommunicationException: Failed to connect to server localhost:1099 [Root exception is javax.naming.ServiceUnavailableException: Failed to connect to server localhost:1099 [Root exception is java.net.ConnectException: Connection refused: connect]]]
at org.jnp.interfaces.NamingContext.checkRef(NamingContext.java:1452)
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:597)

props.setProperty("java.naming.provider.url", "jnp://localhost:1099");

after that i tried with

props.setProperty("java.naming.provider.url", "jnp://localhost:4447");

Please help us, would appreciated.
Thanks.