FULL PRODUCT VERSION :
java version "1.4.2_14"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_14-b05)
Java HotSpot(TM) Client VM (build 1.4.2_14-b05, mixed mode)

ADDITIONAL OS VERSION INFORMATION :
SunOS webapp-test3.Stanford.EDU 5.8 Generic_117350-43 sun4u sparc SUNW,UltraAX-i2

EXTRA RELEVANT SYSTEM CONFIGURATION :
kerberos 5 log into open ldap

A DESCRIPTION OF THE PROBLEM :
We use kerberos 5 log into open ldap. jdk1.4.2_13 works. When we updates JDK to 1.4.2_14. The login failed.
JDK1.6, JDK1.5, and j2sdk1.4.2_13 work fine. The problem version is J2sdk1.4.2_14.

ERROR MESSAGES/STACK TRACES THAT OCCUR :
edu.stanford.newdirector
y.JNDIDirectoryImpl - authentication attempt failedjavax.security.auth.login.Log
inException: java.lang.NullPointerException
        at java.lang.StringBuffer.append(StringBuffer.java:467)
        at com.sun.security.auth.module.Krb5LoginModule.attemptAuthentication(Kr
b5LoginModule.java:576)
        at com.sun.security.auth.module.Krb5LoginModule.login(Krb5LoginModule.ja
va:475)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:324)
        at javax.security.auth.login.LoginContext.invoke(LoginContext.java:675)


REPRODUCIBILITY :
This bug can be reproduced always.

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