Hi I am getting the following error after executing this command .. "$JRE"/bin/java -classpath "$CATALINA_HOME"/server/lib/catalina.jar org.apache.catalina.realm.RealmBase -a MD5 nagendra Same thing is working fine for me with tomcat 4. Is there any architecture changes in tomcat 5 ?? Please help me .. Exception in thread "main" java.lang.NoClassDefFoundError: javax/management/MBeanRegistration at java.lang.ClassLoader.defineClass0(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:509) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123) at java.net.URLClassLoader.defineClass(URLClassLoader.java:246) at java.net.URLClassLoader.access$100(URLClassLoader.java:54) at java.net.URLClassLoader$1.run(URLClassLoader.java:193) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:186) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:265) at java.lang.ClassLoader.loadClass(ClassLoader.java:262) at java.lang.ClassLoader.loadClassInt Can some one please help me on this .. Thanks and Regards, Nagendra Reddy. D Hewlett Packard ISO (STSD) Bangalore. Ph : 080-22052254 +hp = Everything is Possible --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]