hello all I'm importing a eswiki-20091123-pages-meta-current.xml and have downloaded a mwdumper.jar from http://downloads.dbpedia.org/mwdumper_invalid_contributor.zip of https://bugzilla.wikimedia.org/show_bug.cgi?id=18328 but recive an error. So I'm trying with mwimport and recive an error too unknown schema or invalid first line I have downloaded mediawiki software from svn.
com:/home# java -jar mwdumper.jar --format=sql:1.5 eswiki-20091123-pages-meta-current.xml | mysql -u root -p eswiki Enter password: Exception in thread "main" java.lang.UnsupportedClassVersionError: Bad version number in .class file at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:620) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124) at java.net.URLClassLoader.defineClass(URLClassLoader.java:260) at java.net.URLClassLoader.access$100(URLClassLoader.java:56) at java.net.URLClassLoader$1.run(URLClassLoader.java:195) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:268) at java.lang.ClassLoader.loadClass(ClassLoader.java:251) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)