Java Corba Problem

Hi,
I have a strange Java Client Server application with a corba interface between the two.
There are three Session Classes that describe this interface.
The base session is SessionA. Extending that (i.e. :: in IDL) is SessionB and extending that is SessionC.
The client is broken up into two parts which run in the same JVM. The first part has a dependency to SessionC and the second part has a dependency SessionB. It has to be this way.
Upon start up the client creates a SessionC everything okay. The client then launches part of the application which only has a dependency to SessionB. To launch this part of the client application a SessionB object must be past. To do this I use the SessionBHelper class and the narrow method.
Everything works fine no exceptions are thrown.
Now here is the part that is killing me - when I invoke a method then from the Client to SessionB it throws a Marshalling exception
org.omg.CORBA.MARSHAL: minor code: 0 completed: No. I check the spec. and there is minor code 0 has a default meaning - i.e. nothing. I have n't a clue what is wrong.
My only thoughts are that narrow can only be used in down casting. But I could be wrong here.
I would really appreciate any help or thoughts. Thanks in Advance.

When ever I come across the most lovely Marshalling exceptions... its usually because my skel/stub classes out of synch with each other (on the client/server)
When I update the everyone... I usually have everything working and playing nicely.
This occurs with some frequency using Websphere EJB (using IIOP)... if your client JAR's are not in synch with your server JAR's... then the objects can't be marshalled... its a pain
./dave

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*****Please Help Simple Java Corba Problem*****

This is probably a really simple one but I am very cheased off about it.
I run my applications on a Win XP pro OS, and when I go to type in nameserv it gives me the following error I hava downloaded and installed JDK 1.4.1. I also have the JRE, And jbuilder personal edition ver 8.....And J2RE 1.4.1
C:\Documents and Settings\Ash>nameserv
Exception in thread "main" java.lang.NoClassDefFoundError: java/util/HashSet
at com.inprise.vbroker.orb.ORB.<init>(ORB.java:81)
at org.omg.CORBA.ORB.create_impl(ORB.java)
at org.omg.CORBA.ORB.init(ORB.java)
at com.inprise.vbroker.naming.ExtFactory.main(ExtFactory.java:126)
my classpath looks like this
.;C:\VisualCafePDETrial\BIN\COMPONENTS\SYMBEANS.JAR;C:\VisualCafePDETrial\JAVA\LIB\CLASSES.ZIP;C:\VisualCafePDETrial\JAVA\LIB;C:\BES\bin;C:\j2sdk1.4.1\lib\tools.jar;.;
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C:\VisualCafePDETrial\BIN;C:\VisualCafePDETrial\JAVA\BIN;C:\BES\binC:\j2sdk1.4.1\lib\tools.jar;.;
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Also when I goto compile any java program it comes up with the following
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Building the bank_agent example ...
Exception in thread "main" java.lang.ClassCastException
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Symantec Java! JustInTime Compiler Version 3.00.021(i) for JDK 1.1.x (TRIAL VER)
Copyright (C) 1996-98 Symantec Corporation
compiling: Client.java
Client.java:2: Package org.omg.CORBA not found in import.
import org.omg.CORBA.*;
^
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Symantec Java! JustInTime Compiler Version 3.00.021(i) for JDK 1.1.x (TRIAL VER)
Please help I am really desperate to sort this one out. Can you give me some detailed info on how I would do this.>>>Thanx in advance

You have 2 sets of errors, at least.
The first is : Exception in thread "main" java.lang.NoClassDefFoundError: java/util/HashSet which is that you have not imported the class for hashset.
The second is that the import of the jars is probably wrong, hard to say without seeing code.

Not able to connect to Lotus Domino server using java/corba

Hi
I am new to Lotus Domino server and Java.
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Throught the lotus client i am able to connect to the server and send and receive the mails.
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I am not getting what exactly is the Problem
Plz any one help me in this regard..
thanks in advance

You should be able to access the diiop_ior.txt file from browser without authentication,only then it will work. This file should not
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EJB + CORBA problems

Hi there,
I've got some code (EJB) which connect
me to OLAPService on my 9i Oracle server. I deployed it to Oracle AS which
is istalled on another machine. Then I wrote client application which has to
connect to OAS and invoke EJB method to connect to OLAPService.
The connection to EJB was successfully established (of course through a
CORBA). But when EJB was trying to connect to Oracle9i I got such error :
javax.naming.NameNotFoundException:
sess_iiop://<server_ip>:<port>:<sid>/etc/OLAPServer/OLAPServer not found
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2) I can connect to Oracle9i OLAPService and use OLAPAPI methods,
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OLAPService
This is the EJB's method code ( when it is calling as client application it
works!!!!):
import javax.ejb.SessionBean;
import javax.ejb.SessionContext;
import org.omg.CORBA.Object;
import oracle.aurora.jndi.sess_iiop.ServiceCtx;
import oracle.express.connection.Connection;
import oracle.express.connection.ConnectionManager;
import javax.naming.Context;
import javax.naming.InitialContext;
import java.util.*;
public String Polaczenie()
String serviceURL="sess_iiop://<server_ip>:<port>:<sid>";
String objectName="/etc/OLAPServer/OLAPServer";
Hashtable env=new Hashtable();
env.put(Context.URL_PKG_PREFIXES,"oracle.aurora.jndi");
env.put(Context.SECURITY_PRINCIPAL,<user>);
env.put(Context.SECURITY_CREDENTIALS,<password>);
env.put(Context.SECURITY_AUTHENTICATION,ServiceCtx.NON_SSL_LOGIN);
try
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org.omg.CORBA.Object
ServiceStub=(org.omg.CORBA.Object)(ic.lookup(serviceURL+objectName));
Properties connParams = new Properties();
connParams.put("UserID",<user>);
connParams.put("Password",<password>);
ConnectionManager cm=ConnectionManager.init();
Connection conn=
cm.connect((org.omg.CORBA.Object)ServiceStub,connParams);
conn.close();
catch(Exception e)
return "\nError:" + e + "\n";
return "\nIt works\n";
This is client's code:
public static void main(String[] args)
try {
Hashtable env = new Hashtable();
env.put(Context.INITIAL_CONTEXT_FACTORY,
"com.evermind.server.rmi.RMIInitialContextFactory");
env.put(Context.PROVIDER_URL, "ormi://sasza/SerwerEjb");
env.put(Context.SECURITY_PRINCIPAL, "admin");
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Context context = new
com.evermind.server.rmi.RMIInitialContextFactory().getInitialContext(env);
Object homeObject = context.lookup("<myEJBName>");
SerwerEjbHome home = (SerwerEjbHome)
PortableRemoteObject.narrow(homeObject, pakiet.SerwerEjbHome.class);
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error !!!!!!!!!!!!!!!!!! ------------------>
catch(Exception e)
System.err.println("Error: " + e + ":::" + e.getMessage());
Any idea ??
Thank you in advance.

"Taesun, An" <[email protected]> writes:
Thanks for your concern !Its my code - I should be concerned :)
I have successfuly tested the sample program that you attached.
and I have some more questions.Great!
Q1) Can I use idl files generated by weblogic.ejbc on the other ORB like as
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codeset that we send out. For silversword we are doing a GIOP 1.2
implementation a by-product of which will be that we have to do some
form of codeset negotiation, so hopefully these issues will be sorted
in the near future.
And I know that the Client.cpp program you sent differs from original source
code in the respects which is including TradeResultFactory and
TradeResultImpl classes.
Q2) If so, Do i have to implement the above classes for all of call by value
parameters or return type ?You have to write some C++ code for any valuetypes that you use. This
basically means any non-primitive object that is not a remote
interface and implements serializable.
I wanna know for the needed classes how to easily get generated or the other
solutions.I attach the entity bean example I cooked up which shows you how you
can use C++ macros to take away some of this pain. Note that you cannot make the finder method work with 6.0SP2. This will be fixed in 6.1
[generic_idl_entity.zip]
I got error message following as, when i used "-idlFactories" of
weblogic.ejbc option to generate Factory definition.
Usage: java weblogic.rmic [options] <classes>...
option descriptions ,.,........
option descriptions ,.,........
ERROR: Error from ejbc: Unrecognized option or flag, -idlFactories
ERROR: ejbc found errors
make: *** [ejbc] Error 1Hmm, you are right. It looks like the option didn't get inverted in
rmic. The attached class file should fix this.
[IDLGeneratorOptions.class]
andy

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org.omg.CORBA.BAD_OPERATION:   vmcid: 0x0 minor code: 0 completed: Maybe
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:494)
        at java.lang.Class.newInstance0(Class.java:350)
        at java.lang.Class.newInstance(Class.java:303)
        at com.sun.corba.se.impl.protocol.giopmsgheaders.MessageBase.getSystemException(MessageBase.java:897)
        at com.sun.corba.se.impl.protocol.giopmsgheaders.ReplyMessage_1_2.getSystemException(ReplyMessage_1_2.java:99)
        at com.sun.corba.se.impl.protocol.CorbaMessageMediatorImpl.getSystemExceptionReply(CorbaMessageMediatorImpl.java:572)
        at com.sun.corba.se.impl.protocol.CorbaClientRequestDispatcherImpl.processResponse(CorbaClientRequestDispatcherImpl.java:430)
        at com.sun.corba.se.impl.protocol.CorbaClientRequestDispatcherImpl.marshalingComplete(CorbaClientRequestDispatcherImpl.java:326)
        at com.sun.corba.se.impl.protocol.CorbaClientDelegateImpl.invoke(CorbaClientDelegateImpl.java:129)
        at org.omg.CORBA.portable.ObjectImpl._invoke(ObjectImpl.java:457)
        at generated.from.idl.package._ServerFactoryStub.FindServer(_ServerFactoryStub.java:25)

Hi,
I replying to my own post for persons who, have a similar problem.
I've used external ORB implementation, and the stuff started working properly.
www.jacorb.org.

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WARNING: "IOP00410201: (COMM_FAILURE) Connection failure: socketType: IIOP_CLEAR_TEXT; hostname: development3.s4indsoft.com; p
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at org.omg.CORBA.portable.ObjectImpl._is_a(ObjectImpl.java:112)
at org.omg.CosNaming.NamingContextHelper.narrow(NamingContextHelper.java:69)
at com.sun.enterprise.naming.SerialContext.narrowProvider(SerialContext.java:89)
at com.sun.enterprise.naming.SerialContext.getProvider(SerialContext.java:128)
at com.sun.enterprise.naming.SerialContext.lookup(SerialContext.java:288)
at com.sun.enterprise.naming.NamingManagerImpl.lookup(NamingManagerImpl.java:725)
at com.sun.enterprise.naming.java.javaURLContext.lookup(javaURLContext.java:132)
at com.sun.enterprise.naming.SerialContext.lookup(SerialContext.java:286)
at javax.naming.InitialContext.lookup(InitialContext.java:351)
at ConfirmerClient.main(Unknown Source)
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:585)
at com.sun.enterprise.util.Utility.invokeApplicationMain(Utility.java:237)
at com.sun.enterprise.appclient.Main.<init>(Main.java:430)
at com.sun.enterprise.appclient.Main.main(Main.java:99)
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at com.sun.enterprise.iiop.IIOPSSLSocketFactory.createSocket(IIOPSSLSocketFactory.java:336)
at com.sun.corba.ee.impl.transport.SocketOrChannelConnectionImpl.<init>(SocketOrChannelConnectionImpl.java:191)
... 22 more
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at sun.nio.ch.Net.checkAddress(Net.java:30)
at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:451)
at java.nio.channels.SocketChannel.open(SocketChannel.java:146)
at com.sun.enterprise.iiop.IIOPSSLSocketFactory.createSocket(IIOPSSLSocketFactory.java:320)
... 23 more
Thanks & Regards,
R.Ramesh.

This says it all.
Feb 15, 2007 12:28:16 PM com.sun.corba.ee.impl.transport.SocketOrChannelConnectionImpl <init>
WARNING: "IOP00410201: (COMM_FAILURE) Connection failure: socketType: IIOP_CLEAR_TEXT; hostname: development3.s4indsoft.com; p
ort: 3700"
MeTitus

Idlj java compile problem from badly named interfaces in idl

I am trying to build a java client to communicate with an application using corba interfaces.
The large/complex idl I am using to build all the client stubs has interface names that seem to cause problems for the generated java. For example there is an interface in the idl called 'Device' as well as an interface called 'DeviceOperations'. This causes problems because idlj creates java interfaces with the word 'Operations' appended to it.
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Unfortunately I cannot change the idl because it is not an application I work on directly.
Any suggestions?
Thanks!

My guess is that you are between a rock and a hard place unless you can 1) change the IDL or 2) change how the IDL is compiled. You have said you can't do the former, so maybe you can influence the latter (unfortunately for you, I suspect not). On the change you can, keep reading.
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Java Corba Help

Hi,
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My IDL:
module corbatest
interface Device_CI
readonly attribute long deviceID;
interface NorthBoundInterface
corbatest::Device_CI GetDevice(in long deviceID);
//SERVER CODE
import corbatest.*;
public class DeviceImpl extends Device_CIPOA{
public DeviceImpl() { }
public int deviceID() {
return 44;
import corbatest.*;
import org.omg.CORBA.*;
public class NorthBoundInterfaceImpl extends NorthBoundInterfacePOA {
private ORB orb;
public void setORB(ORB val) {
val = orb;
public Device_CI GetDevice (int deviceID) {
DeviceImpl dev = new DeviceImpl();
Device_CIPOATie tie = new Device_CIPOATie(dev);
return tie._this(orb);
import corbatest.*;
import org.omg.CosNaming.*;
import org.omg.CosNaming.NamingContextPackage.*;
import org.omg.CORBA.*;
import org.omg.PortableServer.*;
import org.omg.PortableServer.POA;
import java.util.Properties;
public class Server{
public static void main(String args[]){
try{
// create and initialize the ORB
     Properties properties = new Properties();
     properties.put("org.omg.CORBA.ORBInitialPort", "1050");
     properties.put("org.omg.CORBA.ORBInitialHost", "localhost");
     ORB orb = ORB.init((String[])null, properties);
// Get reference to rootpoa & activate the POAManager
POA rootpoa = POAHelper.narrow(orb.resolve_initial_references("RootPOA"));
rootpoa.the_POAManager().activate();
// create servant and register it with the ORB
NorthBoundInterfaceImpl nbiImpl = new NorthBoundInterfaceImpl();
nbiImpl.setORB(orb);
// create a tie, with servant being the delegate.
NorthBoundInterfacePOATie tie = new NorthBoundInterfacePOATie(nbiImpl, rootpoa);
// obtain the objectRef for the tie
NorthBoundInterface nbi = tie._this(orb);
// get the root naming context
org.omg.CORBA.Object objRef = orb.resolve_initial_references("NameService");
// Naming Service specification.
NamingContextExt ncRef = NamingContextExtHelper.narrow(objRef);
// bind the Object Reference in Naming
String name = "NorthBoundInterface";
NameComponent path[] = ncRef.to_name( name );
ncRef.rebind(path, nbi);
System.out.println("NorthBoundInterface ready and waiting ...");
// wait for invocations from clients
orb.run();
catch (Exception e){
System.err.println("ERROR: " + e);
e.printStackTrace(System.out);
//CLIENT CODE
import corbatest.*;
import org.omg.CosNaming.*;
import org.omg.CosNaming.NamingContextPackage.*;
import org.omg.CORBA.*;
import org.omg.PortableServer.*;
import org.omg.PortableServer.POA;
import java.util.Properties;
public class Client{
     public static void main(String args[]){
     try{
     // create and initialize the ORB
          Properties properties = new Properties();
          properties.put("org.omg.CORBA.ORBInitialPort", "1050");
          properties.put("org.omg.CORBA.ORBInitialHost", "localhost");
          ORB orb = ORB.init((String[])null, properties);
     // get the root naming context
     org.omg.CORBA.Object objRef =
          orb.resolve_initial_references("NameService");
     NamingContextExt ncRef = NamingContextExtHelper.narrow(objRef);
     // resolve the Object Reference in Naming
     String name = "NorthBoundInterface";
     NorthBoundInterface nbi = NorthBoundInterfaceHelper.narrow(ncRef.resolve_str(name));
     System.out.println("Obtained a handle on server object: " + nbi);
     //CRASH HERE
     Device_CI device = nbi.GetDevice(44);
     int x = device.deviceID();
     catch (Exception e) {
     System.out.println("ERROR : " + e) ;
     e.printStackTrace(System.out);
RROR : org.omg.CORBA.UNKNOWN: ----------BEGIN server-side stack trace----------
org.omg.CORBA.UNKNOWN: vmcid: SUN minor code: 202 completed: Maybe
     at com.sun.corba.se.impl.logging.ORBUtilSystemException.runtimeexception(Unknown Source)
     at com.sun.corba.se.impl.protocol.CorbaMessageMediatorImpl.convertThrowableToSystemException(Unknown Source)
     at com.sun.corba.se.impl.protocol.CorbaMessageMediatorImpl.handleThrowableDuringServerDispatch(Unknown Source)
     at com.sun.corba.se.impl.protocol.CorbaMessageMediatorImpl.handleThrowableDuringServerDispatch(Unknown Source)
     at com.sun.corba.se.impl.protocol.CorbaServerRequestDispatcherImpl.dispatch(Unknown Source)
     at com.sun.corba.se.impl.protocol.CorbaMessageMediatorImpl.handleRequestRequest(Unknown Source)
     at com.sun.corba.se.impl.protocol.CorbaMessageMediatorImpl.handleRequest(Unknown Source)
     at com.sun.corba.se.impl.protocol.CorbaMessageMediatorImpl.handleInput(Unknown Source)
     at com.sun.corba.se.impl.protocol.giopmsgheaders.RequestMessage_1_2.callback(Unknown Source)
     at com.sun.corba.se.impl.protocol.CorbaMessageMediatorImpl.handleRequest(Unknown Source)
     at com.sun.corba.se.impl.transport.SocketOrChannelConnectionImpl.dispatch(Unknown Source)
     at com.sun.corba.se.impl.transport.SocketOrChannelConnectionImpl.doWork(Unknown Source)
     at com.sun.corba.se.impl.orbutil.threadpool.ThreadPoolImpl$WorkerThread.run(Unknown Source)
Caused by: java.lang.NullPointerException
     at org.omg.PortableServer.Servant._this_object(Unknown Source)
     at corbatest.Device_CIPOA._this(Device_CIPOA.java:68)
     at NorthBoundInterfaceImpl.GetDevice(NorthBoundInterfaceImpl.java:15)
     at corbatest.NorthBoundInterfacePOATie.GetDevice(NorthBoundInterfacePOATie.java:39)
     at corbatest.NorthBoundInterfacePOA._invoke(NorthBoundInterfacePOA.java:38)
     at com.sun.corba.se.impl.protocol.CorbaServerRequestDispatcherImpl.dispatchToServant(Unknown Source)
     ... 9 more
----------END server-side stack trace---------- vmcid: SUN minor code: 202 completed: Maybe

You have 2 sets of errors, at least.
The first is : Exception in thread "main" java.lang.NoClassDefFoundError: java/util/HashSet which is that you have not imported the class for hashset.
The second is that the import of the jars is probably wrong, hard to say without seeing code.

Jhe - Java Mil Problem

Hi Jhe,
Hope You are Fine.
I tried to create a mail session using the j2eetutorial14 examples.I did all the necessary settings like giving the mailhost name,defining JNDI name etc as per specification.But its throwing the following error please help me to solve this problem.
Feb 15, 2007 12:28:16 PM com.sun.corba.ee.impl.transport.SocketOrChannelConnectionImpl <init>
WARNING: "IOP00410201: (COMM_FAILURE) Connection failure: socketType: IIOP_CLEAR_TEXT; hostname: development3.s4indsoft.com; p
ort: 3700"
org.omg.CORBA.COMM_FAILURE: vmcid: SUN minor code: 201 completed: No
at com.sun.corba.ee.impl.logging.ORBUtilSystemException.connectFailure(ORBUtilSystemException.java:2257)
at com.sun.corba.ee.impl.logging.ORBUtilSystemException.connectFailure(ORBUtilSystemException.java:2278)
at com.sun.corba.ee.impl.transport.SocketOrChannelConnectionImpl.<init>(SocketOrChannelConnectionImpl.java:208)
at com.sun.corba.ee.impl.transport.SocketOrChannelConnectionImpl.<init>(SocketOrChannelConnectionImpl.java:221)
at com.sun.corba.ee.impl.transport.SocketOrChannelContactInfoImpl.createConnection(SocketOrChannelContactInfoImpl.java
:104)
at com.sun.corba.ee.impl.protocol.CorbaClientRequestDispatcherImpl.beginRequest(CorbaClientRequestDispatcherImpl.java:
152)
at com.sun.corba.ee.impl.protocol.CorbaClientDelegateImpl.request(CorbaClientDelegateImpl.java:146)
at com.sun.corba.ee.impl.protocol.CorbaClientDelegateImpl.is_a(CorbaClientDelegateImpl.java:286)
at org.omg.CORBA.portable.ObjectImpl._is_a(ObjectImpl.java:112)
at org.omg.CosNaming.NamingContextHelper.narrow(NamingContextHelper.java:69)
at com.sun.enterprise.naming.SerialContext.narrowProvider(SerialContext.java:89)
at com.sun.enterprise.naming.SerialContext.getProvider(SerialContext.java:128)
at com.sun.enterprise.naming.SerialContext.lookup(SerialContext.java:288)
at com.sun.enterprise.naming.NamingManagerImpl.lookup(NamingManagerImpl.java:725)
at com.sun.enterprise.naming.java.javaURLContext.lookup(javaURLContext.java:132)
at com.sun.enterprise.naming.SerialContext.lookup(SerialContext.java:286)
at javax.naming.InitialContext.lookup(InitialContext.java:351)
at ConfirmerClient.main(Unknown Source)
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:585)
at com.sun.enterprise.util.Utility.invokeApplicationMain(Utility.java:237)
at com.sun.enterprise.appclient.Main.<init>(Main.java:430)
at com.sun.enterprise.appclient.Main.main(Main.java:99)
Caused by: java.lang.RuntimeException: java.nio.channels.UnresolvedAddressException
at com.sun.enterprise.iiop.IIOPSSLSocketFactory.createSocket(IIOPSSLSocketFactory.java:336)
at com.sun.corba.ee.impl.transport.SocketOrChannelConnectionImpl.<init>(SocketOrChannelConnectionImpl.java:191)
... 22 more
Caused by: java.nio.channels.UnresolvedAddressException
at sun.nio.ch.Net.checkAddress(Net.java:30)
at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:451)
at java.nio.channels.SocketChannel.open(SocketChannel.java:146)
at com.sun.enterprise.iiop.IIOPSSLSocketFactory.createSocket(IIOPSSLSocketFactory.java:320)
... 23 more

hello, seems like a [url http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6404454]bug

Java Corba Problem

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