Class.forName("oracle.jdbc.driver.OracleDriver");
Class.forName("com.internetcds.jdbc.tds.Driver");
java.lang.ClassFormatError: com/internetcds/jdbc/tds/Driver (Illegal constant pool type)at java.lang.ClassLoader.defineClass0(Native Method)at java.lang.ClassLoader.defineClass(ClassLoader.java:502)at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123)at java.net.URLClassLoader.defineClass(URLClassLoader.java:250)at java.net.URLClassLoader.access$100(URLClassLoader.java:54)at java.net.URLClassLoader$1.run(URLClassLoader.java:193)at java.security.AccessController.doPrivileged(Native Method)at java.net.URLClassLoader.findClass(URLClassLoader.java:186)at java.lang.ClassLoader.loadClass(ClassLoader.java:299)at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:265)at java.lang.ClassLoader.loadClass(ClassLoader.java:255)at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:315)at java.lang.Class.forName0(Native Method)at java.lang.Class.forName(Class.java:140)at de.guhsoft.dbdesigner.SQLServer.connect(SQLServer.java:49)at de.guhsoft.dbdesigner.DatabaseLayer.connect(DatabaseLayer.java:22)at de.guhsoft.dbdesigner.DBdesigner.(DBdesigner.java:93)at de.guhsoft.dbdesigner.DBdesigner.main(DBdesigner.java:537)