[Pellet-users] exception when creating owl-s reader

[Eman Hossny]

Hello all,
i tried to create OWLSReader
        // create a generic OWL-S reader
        reader = OWLSFactory.createOWLSReader();

 but the following exception appear:
java.lang.UnsupportedClassVersionError: org/mindswap/pellet/ABox
(Unsupported major.minor version 49.0)

    at java.lang.ClassLoader.defineClass0(Native Method)

    at java.lang.ClassLoader.defineClass(ClassLoader.java:537)

    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java
:123)

    at java.net.URLClassLoader.defineClass(URLClassLoader.java:251)

    at java.net.URLClassLoader.access$100(URLClassLoader.java:55)

    at java.net.URLClassLoader$1.run(URLClassLoader.java:194)

    at java.security.AccessController.doPrivileged(Native Method)

    at java.net.URLClassLoader.findClass(URLClassLoader.java:187)

    at java.lang.ClassLoader.loadClass(ClassLoader.java:289)

    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:274)

    at java.lang.ClassLoader.loadClass(ClassLoader.java:235)

    at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302)

    at org.mindswap.pellet.OWLReasoner.<init>(OWLReasoner.java:68)

    at org.mindswap.owl.impl.OWLReasonerImpl.<init>(OWLReasonerImpl.java:66)

    at org.mindswap.owl.OWLFactory.<clinit>(OWLFactory.java:48)

    at org.mindswap.owls.io.impl.OWLSReaderImpl.<init>(OWLSReaderImpl.java
:57)

    at org.mindswap.owls.io.impl.GenericOWLSReader.<init>(
GenericOWLSReader.java:55)

    at org.mindswap.owls.OWLSFactory.createOWLSReader(OWLSFactory.java:161)

    at helpingclasses.RunWebService.<init>(RunWebService.java:38)

    at helpingclasses.RunWebService.main(RunWebService.java:137)

please, can anyone help me in this problem?
-- 
Eman Hossny,
Teacher Assistant,
Computer Science Department,
Faculty of Computers and Information
Cairo University, Egypt

يارب العتق من النار لى ولوالديا
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