The newest class version 48.0 is compiled by jdk1.4, however, your server is using jdk1.3, you can re-compile your entity beans with jdk1.3

-----Original Message-----
From: A mailing list for Java(tm) 2 Platform, Enterprise Edition [mailto:J2EE-INTEREST@JAVA.SUN.COM]On Behalf Of Ritesh_Srivastava
Sent: 2003年11月25日 20:12
To: J2EE-INTEREST@JAVA.SUN.COM
Subject: UnsupportedClassVersionError on lookup

Hi,

    While running a test client which is in turn accessing an entity bean, I get the following error on lookup:

 

Exception in thread "main" java.lang.UnsupportedClassVersionError: javax/security/auth/callback/CallbackHandler (Unsupported major.minor version 48.0)
         at java.lang.Class.forName(Unknown Source)
        at weblogic.jndi.WLInitialContextFactory.getInitialContext(WLInitialContextFactory.java:131)

 

I have put rt.jar in classpath.

 

I am working on Weblogic8.1.

What could be the problem??

 

Regards

Ritesh

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