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Java's not an island. Using CORBA technologies, Java interoperates with other distributed objects, written in C, C++, Java, Ada, COBOL, Smalltalk, Objective C, Lisp or other programming languages. [Formerly managed by Bruce Martin].

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EJB CORBA security issue. javax.naming.CommunicationException: org.omg.CORBA.NO_PERMISSION.
Java:API:EJB, Distributed computing:CORBA
Antonino Salvatore CUTRI', Feb 5, 2002
Additional info: When I run my client, I get javax.naming.CommunicationException: org.omg.CORBA.NO_PERMISSION for the "lookup" statement...

What is PortableRemoteObject.narrow() method and what is used for? I found somewhere that it is "CORBA compliant". Why?
Java:API:EJB, Java:API:RMI, Distributed computing:CORBA, Java:API:EJB:2.0
Alessandro A. Garbagnati PREMIUM, Jan 25, 2002
Hi, When you execute a lookup to get the home interface of your bean, you normally use the lookup() method of the javax.naming.Context interface. This...

CORBA and EJB's seem to basically do the same thing... CORBA and EJB's seem to basically do the same thing to me. To me it seems that the purpose of both of these architectures is to fill the middle...
Distributed computing:CORBA
Jesper Andersen, Jun 20, 2001
This is a common misconception. CORBA and EJB are entirely different beasts, solving different problems. CORBA is a networking protocol for building...

I have a system developed in Power Builder. Now my... I have a system developed in Power Builder. Now my requirement is to make it web enabled and I don't want to rewrite the buisness logic already written...
Distributed computing:CORBA
Jesper Andersen, Jun 6, 2001
I'm assuming that what you want is to publish your application as a service using CORBA. The simplest way to do this is simply to implement a facade...

Is it possible to pass a JDBC connection object from client to server? Both are written in Java.
Distributed computing:CORBA
Gabriel Artaud, Jun 6, 2001
If you mean pass-by-value (copy), I believe it is not the case because it is not possible to do so using RMI. But, what you may want to do is a Rem...

Where can I learn (more) about JCA (Java Connector Architecture)?
Languages:Markup:XML, Java:API:JMS, Java:API:EJB, Java:API:Security, Distributed computing:CORBA, Distributed computing:Transactions, General:FAQs
John Mitchell PREMIUM, May 31, 2001
Check out the Sun's Java Connector Architecture homepage.

Where can I learn (more) about Java's support for transaction processing?
Java:API:JMS:Transactions, Java:API:RMI, Java:API:JNDI, Java:API:Security, Java:Language, Distributed computing:CORBA, Programming:Concepts:Threads, Java:API:EJB:Transactions, General:FAQs, Java:API:JDBC:Transactions
John Mitchell PREMIUM, May 31, 2001
Check out the jGuru Transactions FAQ.

Where can I learn (more) about Java's support asynchronous and publish/subscribe messaging using JMS (Java Message Service)?
Java:API:RMI, Java:API:JNDI, Java:API:Security, Java:Language, Distributed computing:CORBA, Distributed computing:Transactions, Java:API:Serialization, Java:API:Networking, Java:API:EJB:2.0, General:FAQs, Tools:AppServer
John Mitchell PREMIUM, May 30, 2001
Check out the jGuru JMS FAQ.

Where can I learn (more) about Java running on IBM's AS/400 series computers?
Java:API:JDBC, Java:Language, Tools, Distributed computing:CORBA, Platform:UNIX:Linux, Java:API:EJB:Products, General:FAQs, Tools:AppServer
John Mitchell PREMIUM, May 30, 2001
Check out the jGuru Java400 FAQ.

Where can I learn (more) about Java's EJB (Enterprise JavaBeans)?
Java:API:JMS, Java:API:JavaBeans, Java:API:JDBC, Java:API:JNDI, Java:Language, Tools, Distributed computing:CORBA, Process:UML, General:FAQs, Tools:AppServer, Tools:AppServer:WebServer:Tomcat
John Mitchell PREMIUM, May 30, 2001
Check out the jGuru EJB FAQ.

Where can I learn (more) about Application Servers?
Languages:Markup:XML, Java:API:JSP:Vendors, Java:API:RMI, Java:API:JNDI, Java:API:Security, Java:Language, Tools, Distributed computing:CORBA, Java:API:Networking, Java:API:Servlets:Products, Java:API:EJB:Products, General:FAQs, Tools:AppServer:WebServer:Tomcat
John Mitchell PREMIUM, May 30, 2001
Check out the jGuru AppServer FAQ.

From where can I get C++ IDL?
Distributed computing:CORBA
Damien Bootsma, Mar 7, 2001
I suggest that you have a look at VisiBroker for C++. You can obtain a trial version from www.borland.com

I want to obtain a CORBA object reference from an applet using tnameserv. Does it mean that tnameserv must run in the same server the applet comes from?
Distributed computing:CORBA
Vadim Gurov, Mar 4, 2001
If you don't want to request any additional security permissions from browser, then yes.

I am converting an application from VisiBroker 3.0 to VisiBroker 4.0. What are the issues that I must address? Where can I get more information about it?
Distributed computing:CORBA
Aditya Kiran Gavvala, Mar 4, 2001
We have recently migrated our project from VBJ 3.4 to VBJ 4.x. There are a variety of issues you would want to address depending on the VBJ features your...

I have a factory object which returns a transient CORBA object to the client which will be a servlet. The object reference will be stored in the servlet session object on a per user basis. When the client...
Distributed computing:CORBA
Aditya Kiran Gavvala, Mar 4, 2001
deactivate_object(..) call removes an entry from ObjectActivationMap (maintained by the POA). If your servant objects maintain any system resources (like...

I am working on Visibroker 4.2 with jdk 1.2.2. I have multiple queries coming as a single CORBA request. While processing the queries if some thing goes wrong and the server crashes, is there any way by...
Distributed computing:CORBA
Rahul Khimasia, Mar 1, 2001
I think you should look into a message oriented middleware (MOM) product like IBM MQ series. Products like that can recover from a crash with out loosing...

Is it possible call a CORBA object from JavaScript? Is it possible from an applet? How?
Distributed computing:CORBA
Vadim Gurov, Feb 28, 2001
Yes, it is possible. From JavaScript you may call Applet methods, that in turn call the CORBA object. To call a CORBA object from an Applet, you have to...

Do CORBA implementations of different vendors interoperate easily?
Distributed computing:CORBA
Vadim Gurov, Feb 28, 2001
The CORBA specification defines Interoperable Object References (IORs), that must be portable between different vendors ORBs. In practice, I have spent...

How reliable is the oneway operation in CORBA?
Distributed computing:CORBA
Vadim Gurov, Feb 28, 2001
The specification says that oneway calls are not reliable, i.e. a oneway call doesn't guarantee message delivery. The guarantees made are strongly depends...

How can I pass a serializable Java object by value using CORBA? What would the IDL be?
Distributed computing:CORBA
Vadim Gurov, Feb 28, 2001
Java serialization and CORBA support for passing objects by value are similar. So to use CORBA object by value, you have to declare in IDL the full description...

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