Java in a Nutshell, 5th Edition

Name

UnknownError

Synopsis

Signals that an unknown error has occurred at the level of the Java Virtual Machine.

Figure 10-68. java.lang.UnknownError

public class UnknownError extends VirtualMachineError {
// Public Constructors
     public UnknownError( );  
     public UnknownError(String s);  
}