FULL PRODUCT VERSION : java -version: java version "1.7.0_02" Java(TM) SE Runtime Environment (build 1.7.0_02-b13) Java HotSpot(TM) Client VM (build 22.0-b10, mixed mode, sharing) Java Web Start 10.2.1.255 ADDITIONAL OS VERSION INFORMATION : Microsoft Windows [Version 6.1.7601] A DESCRIPTION OF THE PROBLEM : since update 02 the system properties set by javaws for jnlp deployment are messed up: ... deployment.system.cachedir=C:\Users\Bininda\AppData\LocalLow\Sun\Java\Deployment\SystemCache deployment.system.security.blacklist=$LATEST_JRE_HOME\lib\security\blacklist deployment.system.security.cacerts=$LATEST_JRE_HOME\lib\security\cacerts deployment.system.security.jssecacerts=$LATEST_JRE_HOME\lib\security\jssecacerts deployment.system.security.oldcacerts=$JRE_HOME\lib\security\cacerts deployment.system.security.oldjssecacerts=$JRE_HOME\lib\security\jssecacerts deployment.system.security.trusted.certs=$JAVA_HOME\lib\security\trusted.certs deployment.system.security.trusted.clientauthcerts=$JAVA_HOME\lib\security\trusted.clientcerts deployment.system.security.trusted.jssecerts=$JAVA_HOME\lib\security\trusted.jssecerts deployment.system.security.trusted.libraries=$LATEST_JRE_HOME\lib\security\trusted.libraries deployment.system.security.trusted.publishers=$LATEST_JRE_HOME\lib\security\trusted.publishers deployment.system.tray.icon=false deployment.trace=false deployment.update.mime.types=true deployment.user.cachedir=C:\Users\Bininda\AppData\LocalLow\Sun\Java\Deployment\cache deployment.user.extdir=$USER_HOME\ext deployment.user.logdir=$USER_HOME\log deployment.user.security.blacklist=$USER_HOME\security\blacklist deployment.user.security.policy=file:/C:/Users/Bininda/AppData/LocalLow/Sun/Java/Deployment/security/java.policy deployment.user.security.saved.credentials=$USER_HOME\security\auth.dat deployment.user.security.trusted.cacerts=$USER_HOME\security\trusted.cacerts deployment.user.security.trusted.certs=$USER_HOME\security\trusted.certs deployment.user.security.trusted.clientauthcerts=$USER_HOME\security\trusted.clientcerts deployment.user.security.trusted.jssecacerts=$USER_HOME\security\trusted.jssecacerts deployment.user.security.trusted.jssecerts=$USER_HOME\security\trusted.jssecerts deployment.user.security.trusted.libraries=$USER_HOME\security\trusted.libraries deployment.user.security.trusted.publishers=$USER_HOME\security\trusted.publishers deployment.user.tmp=$USER_HOME\tmp deployment.version=6.0 ... we use the property deployment.user.logdir to place our LOG4J log file. This no longer works with update 02 since $USER_HOME\log is not a valid directory. REGRESSION. Last worked in version 7 STEPS TO FOLLOW TO REPRODUCE THE PROBLEM : start an application using Java Web Start 10.2.1.255 that prints system property deployment.user.logdir EXPECTED VERSUS ACTUAL BEHAVIOR : EXPECTED - C:\Users\Bininda\AppData\LocalLow\Sun\Java\Deployment\log ACTUAL - $USER_HOME\log REPRODUCIBILITY : This bug can be reproduced always. SUPPORT : YES