http://www.bouncycastle.org/java.html: The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5. 
package org.bouncycastle.util.io;

import java.io.IOException;

public class StreamOverflowException
    extends IOException
{
    public StreamOverflowException(String msg)
    {
        super(msg);
    }
}