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Java Cannot Narrow Remote Object

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When the remote object reference, remoteObj, is narrowed to the correct class, MyHome.class, the narrow() operation correctly performs the class loader translation, and the cast exception does not occur. Storing the classloader in ejbCreate then restoring it upon entering business method sounds good? if i add all classes in the jar(s) into the same folder where lookup and narrow codes are written, it fails by throwing ClassCastException. The package referenced in the exception looks suspicious. –kevinpowe Apr 14 '11 at 4:46 Wich version of EJB are you trying to lookup? https://community.oracle.com/thread/757133

If your server indeed runs EJB3, remove the XML file and remove the needless EJB home and component implementations. What is the most someone can lose the popular vote by but still win the electoral college? Join and Comment By clicking you are agreeing to Experts Exchange's Terms of Use. asked 5 years ago viewed 768 times active 5 years ago Upcoming Events 2016 Community Moderator Election ends Nov 22 Related 12EJB - Home/Remote and LocalHome/Local interfaces4Is it safe to access

Watson Product Search Search None of the above, continue with my search ClassCastException when casting a remote EJB home or remote interface stub instance ClassCastException Technote (troubleshooting) Problem(Abstract) You receive a share|improve this answer answered Apr 17 '11 at 14:52 Brett Kail 26.9k25269 add a comment| up vote 0 down vote accepted I was using the wrong JNDI name, hence it couldn't Since [ear name]/ is removed when you're deploying only an EJB jar, this explains the exception you're getting: SinaBean is a directory (context in JNDI terms), which can contain the actual Thanks a lot. –LucasM Mar 5 '11 at 18:00 add a comment| up vote 0 down vote I would not recommend going this way.

Not the answer you're looking for? Why did Borden do that to his wife in The Prestige? Is it an EJB 3? Why are wavelengths shorter than visible light neglected by new telescopes?

United States English English IBM® Site map IBM IBM Support Check here to start a new keyword search. How could I get rid of the cast exception? asked 5 years ago viewed 1396 times active 5 years ago Upcoming Events 2016 Community Moderator Election ends Nov 22 Related 0Mbeans with JBoss0remote lookup on a remote client in Java What you're doing is trying to cast this intermediate directory node to the proxy to your bean, which of course doesn't work.

Look up the Session Facade pattern.. If you agree to our use of cookies, please close this message and continue to use this site. I'll look for some materials about EJB3 and EJB3.1 to be uptodate. Some like this: Thread.currentThread().setContextClassLoader(MyClientClass.class.getClassLoader()); Object obj = PortableRemoteObject.narrow(ctx.lookup(MyEJBClassHome.JNDI_NAME), MyEJBClassHome.class); Given that MyClientClass is associated with a valid weblogic's GenericClassLoader (and not the sun.misc.Launcher.AppClassLoader on the thread context) And that solved the

This is the piece of code: /** * RMI/IIOP clients should use this narrow function */ private static Object narrow(Object ref, Class c) { return PortableRemoteObject.narrow(ref, c); } /** * Lookup my review here Start a coup online without the government intervening About the kanji 鱈 Is there still a way to prevent Trump from becoming president? Environment: WLS 8.1 SP5 Like Show 0 Likes(0) Actions 6. US Election results 2016: What went wrong with prediction models?

it was the wrong JNDI name Post Reply Bookmark Topic Watch Topic New Topic Similar Threads EJB ClassCastException narrowing inconvertible types attempting to cast ejb JNDI lookup to home interface Show 9 replies 1. Re: Cannot narrow remote object error? 666705 Oct 12, 2006 6:22 PM (in response to 666705) I do have the same problem. click site more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed

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Share on TumblrBy DoniSocial Last posts (long tweet) When ‘filter' does not work with Primefaces' datatable Retours du Devoxx France 2016 (4): Gradle: Harder, Better, Stronger, Faster Jonathan LALOU recommends… Stephane Rgds Balaji Reply to this Threaded Messages (2) Re: How to resolve Cannot narrow remote object to Home by Charles Lee on August 14 2006 06:12 EDT Re: How to resolve To Find classloader hierarchies: ClassLoader c1 = obj.getClass().getClassLoader() ClassLoader c2 = obj.getClass().getClassLoader.getParent() ClassLoader c3 = MyHomeRemote.class.getClassLoader() if (c1 instanceof c3) True : No issue else if (c2 instanceof c3) True : share|improve this answer answered Apr 13 '11 at 18:38 Jeff West 1,39069 Hmm I tried it and I still get cast exception!?

But I didn't imagine things got totally changed in this way (even if it's about programming language and I know it changes a lot in the course of time). Define Error Message: Line Numbers: Type of Error: Break Down… Java Web Languages and Standards Programming Languages-Other Introduction to Arrays in Java Video by: Salmaan Viewers will learn about basic arrays, Automated exception search integrated into your IDE Test Samebug Integration for IntelliJ IDEA 0 mark accessing RMI server from EJB Oracle Community | 1 decade ago | 666705 java.lang.ClassCastException: Cannot narrow http://tcsmacs.net/java-cannot/java-cannot-reference-before-supertype.php But first, why don't you just print home.getClass()? –Blaisorblade Apr 16 '11 at 16:05 add a comment| up vote 0 down vote The error means you've looked up a Context rather

The only reason for learning EJB2 is when you have to maintain some old legacy app written with EJB2 (but then I suggest to find another job). Like Show 0 Likes(0) Actions 8. Build me a brick wall! Ubuntu 16.04 installer cant see SSD drive more hot questions question feed lang-java about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback

Re: Cannot narrow remote object error? 666705 Dec 23, 2005 10:52 PM (in response to 666705) Don't know if on time but.... What you're doing is Just Wrong.