question « RMI « Java Network Q&A

Home
Java Network Q&A
1.API
2.bluetooth
3.Client
4.connection
5.Cookie
6.Development
7.Email
8.File
9.ftp
10.http
11.HttpClient
12.https
13.ip
14.Network
15.OS
16.RMI
17.Security
18.Server
19.Socket
20.tcp
21.UDP
22.url
Java Network Q&A » RMI » question 

1. RMI understanding question    stackoverflow.com

everyone. I got general idea about RMI, but still need to understand some details. 1) Who generates stub object: server or RMI registry? 2) Where does client get stub class to deserialize stub object? Thanks. ...

2. how to run rmi(basic question)    coderanch.com

3. A couple of RMI questions    coderanch.com

I have been trying out a RMI chat client and server which I got from a site, and I plan to adjust it a bit. The site was WebMonkey. I was wondering if I would be able to run a server from my computer, on which I have a dial-up connection, and run the client from a friend's house by finding ...

4. A strange question about RMI under RedHat 7.1    coderanch.com

Now the question is; Every time I run client, it just stop at "Naming.lookup(url)" and said "java.rmi.UnexpectedException,nested exception is:null ". 1,server and client are running on the same machine; 2,all the classes are in same path; 3,the same program ran successfully under win98/2000; 4,the rmiregistry and server ran successfully too under RedHat 7.1

5. RMI Implementation Questions    coderanch.com

6. rmi question    coderanch.com

hello i am now studying rmi programing,in order to simulate distributed environment within one computer,i create two DIRECTORY-server and client,the remote interface and the implementation of the remote interface are put in the server directory,the stub class is put in the server too(because i use "rmic -v1.2",i have not skeleton class),i put the client program in the client directory,the follow question ...

7. Basic RMI Question on Webserver    coderanch.com

If both your client and server have the stub files avaliable locally on the classpath, then you don't need a webserver. A webserver is typically needed for dynamic downloading of the stub & other dependent class files (via the rmi.server.codebase property). Sun does provide a simply file-based server, but for production purposes, you would really need a full-blown webserver if you ...

8. Question - Code Loading with RMI + Ignore Prev. Posting    coderanch.com

Hi: I am trying to do Dynamic Code Loading with RMI and am encountering the following problem: - I am not sure if it is a problem with the SecurityManager but following is the exception that I get: Security is null java.rmi.UnmarshalException: error unmarshalling return; nested exception is: java.lang.ClassNotFoundException: impldb_pkg.impldb_Stub java.lang.ClassNotFoundException: impldb_pkg.impldb_Stub at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:297) ...

9. RMI: A few questions    coderanch.com

Hi@all There are some questions that I can't answer by myself. :-( I hope that somebody can help me a bit. 1. If there is an Exception on the Server, do the Client get any information of that? Maybe what kind of Exception it is or what to do now? 2. Do the Server know who's getting access to him? 3. ...

10. 2 questions on rmi    coderanch.com

Dear Friends i have 2 questions 1-is there is any way the rmi server can know that a certain a client is connected and then know when it leaves. i want to implement a method that close thee server but i just want to check that no more clients are connected.. 2.a more simple question interface x extends Remote {public void ...

11. basic RMI question.................    coderanch.com

Like anyone else, I'd have to guess at the design goals that were given at the time RMI was 'specificated.' In its simplest form, I imagine the RMI team felt compile-time guarantees were important. This convention does not suit CORBA well, as your might imagine, nor does it hold fast in Jiro ERMI implementation (now subsumed into Jini) or the EJB ...

12. RMI encrytion question    coderanch.com

13. Newby RMI question    coderanch.com

I have created a simple RMI program that works. My question is this: I have a inteface tasks residing in RMITest/Server. In my client code I have the following line of code. import RMITest.Server.tasks; But in a real application, the client and server will reside on differant systems. I think the code I use is java.rmi.server.RMIClassLoader to load a class from ...

15. RMI newbie question    coderanch.com

This is a seriously newbie question on RMI: I am doing a JAVA factory simulation program. In my factory world, there are three objs: Machines, Products and Store. Basically,Machines create Products that are pushed into a Store. My intention is to run Machines in one PC, and Store in another. Machines has to communicate with Stores. So, does that mean that ...

16. RMI basic questions    coderanch.com

Hi All, I have some basic following RMI questions. Please somebody do answer. 1) Can an array containing non-serializabale objects be parameter to remote method? 2) What is wrong with following remote method signature?I mean is Serializable as parameter correct? public void doit(Serilizable ser) 3) What happens when we use marker interfaces Remote and Serializable? ?How these bring difference when we ...

17. [RMI] question about Activation Framework    coderanch.com

As I read through chapter 17 "Factories and the Activation Framework" in "JAVA RMI"(O'reilly), I find the author doesn't demostrate clearly how Activation deals when multiple clients requset the same server. As previous chapters describe, the server distinguish requests from different clients use this method: getClientHost(). And we should use a background thread to maintain and check the clients status. So, ...

18. RMI Question    coderanch.com

I think I understand now about UnicastRemoteObjects but I've run into some other trouble. What I am trying to do is request objects from my Server but decide on the types of objects at runtime. I've created my Server with a method that my client will call asking for a particular type of object. I want to request instances of that ...

19. 2 RMI specific questions!    coderanch.com

Hi friends, I have two specific RMI question. Question 1: Is there any way i can register a remote object in an miregistry which is found on a different machine? I'll explain myself. What i need is to have various apps around a network which all have remote object, but i don't want an rmiregistry open for each idividual app. I ...

20. RMI Project Questions    coderanch.com

I'm new to RMI and am doing a project in school using RMI. I need to write a client server type application utilizing RMI instead of standard object serialization over sockets. Now my question is how to lay out my classes and how the objects will interact with each other. In a previous assignment, we wrote a database "engine" that reads ...

21. Simple RMI Question ...    coderanch.com

22. New to RMI; question of suitability for use    coderanch.com

Hi - I've got a Tomcat Server (container) that sits on the other side of our company firewall. It needs information from a database that sits on the inside of the company firewall. I have another Tomcat server on the inside of the firewall. Rather than supply the outside-the-firewall server with the info to access our database, I'm thinking that RMI ...

23. A simple question about Java RMI    coderanch.com

Hi guys, I dont know much about Java RMI, only know it is a technology enables invocation of methods of remote Java objects, just like COM/COM+ from MS. My question is can a C++ object use RMI to invoke a method of a java object? I guess the answer is "No". Pls help me to confirm this. Many thnx!

24. RMI Question    coderanch.com

25. Quick question about java RMI    coderanch.com

Hi, I'm interested in learning some RMI to use with my servlets/jsp pages. I currently use Netbeans and glassfish V2 to run my web-apps locally. And my website hosts server is tomcat, (not sure which version), which I export my local web-apps to as war files which works fine. So to use RMI, I have to use java.rmi package which is ...

26. Question about RMI    coderanch.com

I finally got my rmi based client/server app working. But I had hit a bit of a wall and today I created a solution.. javascript:emoticon(''); Since I didn't want to create a complete web service, I chose to use the sample class-server.zip from Sun. It works ok if you are going to put your class files in a directory and you ...

27. RMI question    coderanch.com

No. Choose a port such as: The port numbers are divided into three ranges: the Well Known Ports, the Registered Ports, and the Dynamic and/or Private Ports. The Well Known Ports are those from 0 through 1023. The Registered Ports are those from 1024 through 49151 The Dynamic and/or Private Ports are those from 49152 through 65535

28. Question about RMI    coderanch.com

The class that is going to be invoked sits on the server, but the client also needs to know what the methods are. The client doesn't need any information about the implementation of the class, so distributing the class to the client is inappropriate. It just needs to know the interface. So you define and distribute the interface. Then on the ...

29. a few questions about RMI    coderanch.com

I have been doing RMI programs using notepad. They work fine but I am wondering how you can do them thru an IDE like eclipse. Their is no RMI project to select when selecting a new project type? The only thing I can think of is using some type of ant script or external process to automate running the rmic complier ...

30. RMI - Basic Question    coderanch.com

I am implementing RMI application. I have gone through many tutorials on net and tried them. What I understood is we need Client, MessagePassingInterface and Server to implement RMI. In my application the Client and the Server reside on different machines and Both of them need MessagePassignInterface to invoke methods remotely. Where should MessagePassingInterface reside? At client side or at server ...

31. RMI question    java-forums.org

Hi I have created a simple RMI example for practice , that work, but I have found out that both client side and server side must have the same package name for example if server side is part of W1 package then client side package name must to be W1 too (not essentially same server side package) that means that if ...

32. question abou rmi    forums.oracle.com

hai i know some thing about rmi and i am posting that information to you. as the name itself indicating that as remote method invocation in rmi we will call the methods whose objects are created on remote or foriegn jvm rather than on the same jvm. there will be two things one is client and the other is server. the ...

33. RMI question    forums.oracle.com

Could somebody please explain the difference between send-by-value and send-by-reference in RMI and the advantages of each? I've got a feeling it is to do with the stubs and objects passed between the client and server but cannot seem to find anything concrete on Google. I found this question on a past exam paper and cannot find anything in the supporting ...

34. Question about the concept of RMI reverse calls.    forums.oracle.com

Hello guys. I'd appreciate if someone could clarify something to me. As far as I understand , RMI reverse call in concept, is the mean thought witch a server can remotely call a method belonging to the client. I've done that like this: the client called a method from to the server(classic rmi) , method that had the particularity to received ...

35. Question about RMI implementation...    forums.oracle.com

i am trying to wrap my mind around RMI and have a question. My situation: Each of my customers has a certain amount of app servers, from 5-10. I have a program i want to be able to run on any of those app servers. In this program i want to be able to launch a process on any of the ...

36. Question about argument marshalling with RMI.    forums.oracle.com

Hello guys, I recently started an RMI-related project and successfully implemented this technology, but at some point I created this interface on the server package xyz; import somePackage.SomeClass ; public interface A extends Remote{ public void methodA( SomeClass x ) throws RemoteEx; //SomeClass is implementing interface A } and exported it to the RemoteReg folowing standard RMI procedure. The problem came ...

37. some questions about RMI    forums.oracle.com

My question is what will be printed by hello method. I thought that Client object in the parameter will be copied by serialization mechanism and the transient variable B will be restored to the default "bbb". I do the testing, but it seems that parameter gives a pointer to the original object cause hello method printed "aaa" and "xxx". Is it ...

38. Question about RMI    forums.oracle.com

Hello everybody I have got question: I have read some example of using RMI and I found some differences on client side. Some client implement Remote interface as server too and this object is also exported through UnicastRemoteObject.exportObject(...). Because these objects are not bind on RMI registry, only exported Why some client implement Remote interace and export own remote object and ...

39. RMI Question    forums.oracle.com

40. RMI Question    forums.oracle.com

A remote object implementation does not have to extend UnicastRemoteObject, but any implementation that does not must supply appropriate implementations of the java.lang.Object methods. Furthermore, a remote object implementation must make an explicit call to one of UnicastRemoteObject's exportObject methods to make the RMI runtime aware of the remote object so that the object can accept incoming calls.

java2s.com  | Contact Us | Privacy Policy
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.