FULL PRODUCT VERSION :
java version "1.5.0_16"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_16-b02)
Java HotSpot(TM) Client VM (build 1.5.0_16-b02, mixed mode, sharing)

ADDITIONAL OS VERSION INFORMATION :
Microsoft Windows XP [Version 5.1.2600]

A DESCRIPTION OF THE PROBLEM :
We have auth.conf file in a jar file. This works with update 15. When we initiate login it is failing with
Caused by: java.lang.SecurityException: jar:auth-client.conf (No such file or directory)
 at com.sun.security.auth.login.ConfigFile.<init>(Unknown Source)
 at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
 at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
 at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
 at java.lang.reflect.Constructor.newInstance(Unknown Source)
 at java.lang.Class.newInstance0(Unknown Source)
 at java.lang.Class.newInstance(Unknown Source)
 at javax.security.auth.login.Configuration$3.run(Unknown Source)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.login.Configuration.getConfiguration(Unknown Source)
 at javax.security.auth.login.LoginContext$1.run(Unknown Source)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.login.LoginContext.init(Unknown Source)
 at javax.security.auth.login.LoginContext.<init>(Unknown Source)

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Put auth.conf in a jar file and try to login from a client.


REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
 System.setProperty("java.security.auth.login.config", getClass().getResource("/auth-client.conf").toExternalForm())
---------- END SOURCE ----------

CUSTOMER SUBMITTED WORKAROUND :
None so far.

Release Regression From : 5.0u15
The above release value was the last known release where this
bug was not reproducible. Since then there has been a regression.