JAX-RPC Client - java.rmi.RemoteException:/getPort best practices

Question

We are working on java webservices(JAX-RPC style) and while consuming Java WebService sometime getting ‘Remote Exception’ .I have generated client side code with weblogic ant task “clientgen”.
1: Exception
java.rmi.RemoteException: SOAPFaultException - FaultCode [{http://schemas.xmlsoap.org/soap/envelope/}Server] FaultString [Failed to invoke end component {service implementation class name} (POJO), operation= {webmethode name}
-> Failed to invoke method
] FaultActor [null] Detail [<detail><java:string xmlns:java="java.io">java.lang.NullPointerException
</java:string></detail>]; nested exception is:
weblogic.wsee.jaxrpc.soapfault.WLSOAPFaultException: Failed to invoke end component {service implementation class name} (POJO), operation={webmethode name}
-> Failed to invoke method
{Package name}.ManagementPortType_Stub.createXXX(xxxPortType_Stub.java:37) // This line is clientgen generated code
{From this line its clear that clientgen generated code failed to get webservice port}
2: Following is our implementation to invoke webservice:
ManagementService service =
new ManagementService_Impl(“WSDL URL”)
ManagementPortType port = service.getManagerHTTPPort();
Port.getServiceName();
Our code is executing first two lines for every webservice request, and as per our observation these two lines (mark in bold) is taking long time to execute and due to this sometime gives ‘remote exception’ (when there is more request for web service consumption).
3: My questions:
1> Why does it take so long on initialization of service and port object?
2> Is there any problem if I share “port” object for multiple request?
3> what are the best practices in this type of implementation?
Help would be greatly appreciated !

Answer 1

Hi,
Thanks for your reply.
My service is deployed and working fine.
NPE is due to {Package name}.ManagementPortType_Stub is null and code is executing createXXX() methode on it.
Anyway i cant do anaything here because this is a clientgen generated code.