UnsupportedClassVersionError

[smyle khanna]

hi,
i'm tryin 2 build a jar using ant build file in ecplise.i have to deploy in on weblogic server.
i'm gettin the follown errors:

java.lang.UnsupportedClassVersionError: org/xml/sax/SAXException (Unsupported major.minor version 48.0)
        [java] at java.lang.ClassLoader.defineClass0(Native Method)
        [java] at java.lang.ClassLoader.defineClass(Unknown Source)
        [java] at java.security.SecureClassLoader.defineClass(Unknown Source)
        [java] at java.net.URLClassLoader.defineClass(Unknown Source)
        [java] at java.net.URLClassLoader.access$100(Unknown Source)
        [java] at java.net.URLClassLoader$1.run(Unknown Source)
        [java] at java.security.AccessController.doPrivileged(Native Method)
        [java] at java.net.URLClassLoader.findClass(Unknown Source)
        [java] at java.lang.ClassLoader.loadClass(Unknown Source)
        [java] at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
        [java] at java.lang.ClassLoader.loadClass(Unknown Source)
        [java] at java.lang.ClassLoader.loadClassInternal(Unknown Source)
        [java] at java.lang.ClassLoader.defineClass0(Native Method)
        [java] at java.lang.ClassLoader.defineClass(Unknown Source)
        [java] at java.security.SecureClassLoader.defineClass(Unknown Source)
        [java] at java.net.URLClassLoader.defineClass(Unknown Source)
        [java] at java.net.URLClassLoader.access$100(Unknown Source)
        [java] at java.net.URLClassLoader$1.run(Unknown Source)
        [java] at java.security.AccessController.doPrivileged(Native Method)
        [java] at java.net.URLClassLoader.findClass(Unknown Source)
        [java] at java.lang.ClassLoader.loadClass(Unknown Source)
        [java] at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
        [java] at java.lang.ClassLoader.loadClass(Unknown Source)
        [java] at java.lang.ClassLoader.loadClassInternal(Unknown Source)
        [java] at java.lang.Class.forName0(Native Method)
        [java] at java.lang.Class.forName(Unknown Source)
        [java] at weblogic.xml.process.ProcessorFactory.getProcessor(ProcessorFactory.java:290)
        [java] at weblogic.xml.process.ProcessorFactory.getProcessor(ProcessorFactory.java:241)
        [java] at weblogic.ejb20.dd.xml.DDUtils.processXML(DDUtils.java:320)
        [java] at weblogic.ejb20.dd.xml.DDUtils.processXML(DDUtils.java:295)
        [java] at weblogic.ejb20.dd.xml.DDUtils.processEjbJarXML(DDUtils.java:265)
        [java] at weblogic.ejb20.dd.xml.DDUtils.createDescriptorFromJarFile(DDUtils.java:118)
        [java] at weblogic.ejb20.ejbc.EJBCompiler.compileEJB(EJBCompiler.java:374)
        [java] at weblogic.appc.compileEJB(appc.java:796)
        [java] at weblogic.appc.compileEJB(appc.java:770)
        [java] at weblogic.appc.compileInput(appc.java:462)
        [java] at weblogic.appc.runBody(appc.java:183)
        [java] at weblogic.utils.compiler.Tool.run(Tool.java:146)
        [java] at weblogic.utils.compiler.Tool.run(Tool.java:103)
        [java] at weblogic.appc.main(appc.java:1022)  

plz tell me how do i rectify this
thanks in advance

[smyle khanna]

sori its the ear file i want to create not jar file.

[Arun Prasath]

when are you getting this error?
looks like you dont have the latest xml parser.