FULL PRODUCT VERSION :
java version "1.8.0"
Java(TM) SE Runtime Environment (build 1.8.0-b132)
Java HotSpot(TM) 64-Bit Server VM (build 25.0-b70, mixed mode)

ADDITIONAL OS VERSION INFORMATION :
Win 7 x64. Latest updates are applied.

EXTRA RELEVANT SYSTEM CONFIGURATION :
Nothing special

A DESCRIPTION OF THE PROBLEM :
X509CertInfo instanse of the class cannot add CertificateSubjectName instance.

REGRESSION. Last worked in version 7u51

ADDITIONAL REGRESSION INFORMATION:
java version "1.8.0"
Java(TM) SE Runtime Environment (build 1.8.0-b132)
Java HotSpot(TM) 64-Bit Server VM (build 25.0-b70, mixed mode)

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Execute following sample code. Result will be visible on the screen.


EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
X509CertInfo.add(...) method can add CertificateSubjectName instance as it could under JDK_7.
ACTUAL -
X509CertInfo.add(...) method cannot add CertificateSubjectName instance. Exception is thrown. This method works fine under JDK_7.

ERROR MESSAGES/STACK TRACES THAT OCCUR :
Exception in thread "main" java.security.cert.CertificateException: Subject class type invalid.
at sun.security.x509.X509CertInfo.setSubject(X509CertInfo.java:888)
at sun.security.x509.X509CertInfo.set(X509CertInfo.java:415)
at azdefault.Jdk8Bug.main(Jdk8Bug.java:22)

REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
package azdefault;

import sun.security.x509.CertificateSubjectName;
import sun.security.x509.X500Name;
import sun.security.x509.X509CertInfo;

public class Jdk8Bug {

    public static void main( String[] args ) throws Exception {
        X500Name sampleX500Name = new X500Name( "CN=Sample Common Name" );
        CertificateSubjectName subjNameVariable = new CertificateSubjectName( sampleX500Name );
        X509CertInfo info = new X509CertInfo();

        // This line works fine under JDK7 not only in such simple demo program but also in real world
        // certificate manipulation program.
        // This line fails under JDK8 with following exception:

        // Exception in thread "main" java.security.cert.CertificateException: Subject class type invalid.
        // at sun.security.x509.X509CertInfo.setSubject(X509CertInfo.java:888)
        // at sun.security.x509.X509CertInfo.set(X509CertInfo.java:415)
        // at azdefault.Jdk8Bug.main(Jdk8Bug.java:22)
        info.set( X509CertInfo.SUBJECT, subjNameVariable );
    }

}

---------- END SOURCE ----------

CUSTOMER SUBMITTED WORKAROUND :
Use previous version of JDK.