FULL PRODUCT VERSION :
Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.

D:\>java -version
java version "1.8.0_31"
Java(TM) SE Runtime Environment (build 1.8.0_31-b13)
Java HotSpot(TM) 64-Bit Server VM (build 25.31-b07, mixed mode)

D:\>

ADDITIONAL OS VERSION INFORMATION :
Windows 7 Ultimate 64

EXTRA RELEVANT SYSTEM CONFIGURATION :
Just a standard installation of WIndows 7 Ultimate 64.

Used the downloadable installed of JDK from the oracle site and set the installation directory to "D:\Program Files\Java\jdk1.8.0_31"


A DESCRIPTION OF THE PROBLEM :
Never had a problem with using jar.exe or jarsigner.exe before.

Infact my livelyhood depends on my ability to use these programs to delopy my signed jars.

javac.exe continues to work fine and I am able to compile my projects.

However, when I attempt to pack the classes into a jar and sign it, I get "Access Denied" for both jar.exe and jarsigner.exe



REGRESSION. Last worked in version 8u25

ADDITIONAL REGRESSION INFORMATION:
I have never had this issue before.


STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
type jar on the command prompt in the bin directory of the jdk installation.


EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
expecting to see the jar help information.

ACTUAL -
Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.

D:\>cd \program files\java

D:\Program Files\Java>cd jdk1.8.0_31

D:\Program Files\Java\jdk1.8.0_31>cd bin

D:\Program Files\Java\jdk1.8.0_31\bin>jar
Access is denied.

D:\Program Files\Java\jdk1.8.0_31\bin>


REPRODUCIBILITY :
This bug can be reproduced always.