Complete error below :
java.lang.ClassFormatError: Servdb2$2 (Illegal constant pool type)
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:486)
at
java.security.SecureClassLoader.defineClass(SecureClassLoader.java:111)
at
java.net.URLClassLoader.defineClass(URLClassLoader.java:248)
at java.net.URLClassLoader.access$100(URLClassLoader.java:56)
at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:297)
at
sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:286)
at java.lang.ClassLoader.loadClass(ClassLoader.java:253)
at
java.lang.ClassLoader.loadClassInternal(ClassLoader.java:313)
at Servdb2.createComponents(Servdb2.java:68)
at Servdb2.main(Servdb2.java:145)
It means that your class files are corrupted. Are you sure you aren't doing
something that could disturb contents of the class file that results from
compilation?
Chris Smith