Java.lang.classcastexception Cannot Narrow Remote Object To
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. Tim 0 Featured Post Highfive + Dolby Voice = No More Audio Complaints! How to reply? You can not post a blank message. weblink
A ClassCastException occurs if myHome (an instance of EJBHome, above) is cast to its actual type, MyHome. In the case where an application narrows a remote reference to EJBHome and uses the resulting home reference to create instances of the specific Enterprise JavaBeans type, the Enterprise JavaBean stub Highfive and Dolby Voice deliver the best video conferencing and audio experience for every meeting and every room. Re: Cannot narrow remote object error? 666705 Nov 25, 2005 9:18 PM (in response to 3004) Did anyone find solution to this problem ? see this here
Thought I am not sure how this name is generated.
Anyone could help me to track down the cause of this exception?
Promoted by Highfive Poor audio quality is one of the top reasons people don’t use video conferencing. i.e. Browse other questions tagged java eclipse ejb jndi narrowing or ask your own question. Do humans have an ethical obligation to prevent animal on animal violence?
I have a C++ component calling from tuxedo into weblogic ejb. http://pgexch.com/java-lang-classcastexception-cannot/java-lang-classcastexception-cannot-narrow-remote-object-clusterableremoteref.html 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 In your case you're setting it to the same as the unqualified bean name, which is already the default. How could I get rid of the cast exception?
Connect with top rated Experts 13 Experts available now in Live! The following example statements also result in a ClassCastException indicating the MyHome_Stubxxx class:
MyHome myHome = (MyHome)ejbHome;
Which is synonymous with:
MyHome myHome 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 check over here The actual ClassCastException is generated much inside narrow(), not when the method returns.
As your remote client is in a different VM you should have those classes in your local jar file. Get the crispest, clearest audio powered by Dolby Voice in every meeting. Some components may not be visible.
I've created my junit test and access my ejb's using the following code Hashtable h = new Hashtable();
Covered by US Patent. 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. Also using weblogic 10.x you may consider using annotations to get references to EJBs. Accept & Close MenuExperts Exchange Browse BackBrowse Topics Open Questions Open Projects Solutions Members Articles Videos Courses Contribute Products BackProducts Gigs Live Courses Vendor Services Groups Careers Store Headlines Website Testing
asked 5 years ago viewed 1396 times active 5 years ago Upcoming Events 2016 Community Moderator Election ends Nov 22 Get the weekly newsletter! Get 1:1 Help Now Advertise Here Enjoyed your answer? Can a text in Latin be understood by an educated Italian who never had any formal teaching of that language? http://pgexch.com/java-lang-classcastexception-cannot/java-lang-classcastexception-cannot-narrow-remote-object-weblogic.html Here is an example involving a remote Enterprise JavaBeans, MyBean and it's corresponding home, MyHome:
InitialContext context = new InitialContext();
Object remoteObj = context.lookup("java:comp/env/ejb/MyHomeName");
EJBHome ejbHome =
Cheers, -Raja Srinivasan Like Show 0 Likes(0) Actions Go to original post Actions About Oracle Technology Network (OTN)My Oracle Support Community (MOSC)MOS Support PortalAboutModern Marketing BlogRSS FeedPowered byOracle Technology NetworkOracle Communities The Enterprise JavaBeans 2.0 specification offers an example of resolving a specific session bean home interface:
Context initialContext = new InitialContext();
CartHome cartHome = (CartHome)javax.rmi.PortableRemoteObject.narrow(
initialContext.lookup(“java:comp/env/ejb/cart”), CartHome.class); For EJb3, context.lookup method call assumes parameter passed is an global JDNI name of remote class...So ensure u r passing global JNDI name of remote class in lookup call...Read link if 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
Who do I contact? 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 Oracle Community | 1 decade ago | 666705 java.lang.ClassCastException: Cannot narrow remote object to AHome find similars weblogic.iiop Java RT 0 See more Not finding the right solution? Zener diodes in glass axial package - not inherently shielded from photoelectric effect?
All deployed in the same server.
- A implements EJBA
- B implements EJBB
EJBA is registred in the JNDI tree as ejb.a
When EJBB runs these line of code :
Java Java EE Programming Languages-Other Advertise Here 788 members asked questions and received personalized solutions in the past 7 days. share|improve this answer answered Feb 17 '15 at 9:05 ag112 3,42011041 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign Ritu Like Show 0 Likes(0) Actions 5.
Skip navigationOracle Community DirectoryOracle Community FAQLog inRegisterMy Oracle Support Community (MOSC)SearchSearchCancelGo Directly To Oracle Technology Network CommunityMy Oracle Support CommunityOPN Cloud ConnectionOracle Employee CommunityOracle User Group CommunityTopliners CommunityOTN Speaker BureauJava CommunityError: Reply to this Reply to original Re: How to resolve Cannot narrow remote object to Home[ Go to top ] Posted by: Balaji Samy Posted on: August 15 2006 11:49 EDT