http://www.bouncycastle.org/java.html: The Bouncy Castle Java APIs for CMS, PKCS, EAC, TSP, CMP, CRMF, OCSP, and certificate generation. This jar contains APIs for JDK 1.5 to JDK 1.8. The APIs can be used in conjunction with a JCE/JCA provider such as the one provided with the Bouncy Castle Cryptography APIs.
  • The Legion of the Bouncy Castle Inc. 
package org.bouncycastle.cert.crmf;

public class CRMFException
    extends Exception
{
    private Throwable cause;

    public CRMFException(String msg)
    {
        this(msg, null);
    }

    public CRMFException(String msg, Throwable cause)
    {
        super(msg);

        this.cause = cause;
    }

    public Throwable getCause()
    {
        return cause;
    }
}