Offline Application Start does not work in solaris in 6u18

Offline Application Start does not work in solaris

build : 6u18 b03 PIT
platform : Solaris Sparc
 
(From http://web-east.east.sun.com/deployment/www/tests/1.6.0_18/6800992/test.html)

Install 6u18 b03 PIT
Launch javaws http://web-east.east.sun.com/www/tests/1.6.0_18/6800992/draw.jnlp
disconnect network cable and make sure computer has no internet connection
Again Launch javaws http://web-east.east.sun.com/www/tests/1.6.0_18/6800992/draw.jnlp

Expected behavior :
The application should launch.In XP,Vista this is working fine.

Actual behavior:
The application is not launching.When the network cable is connected again,the appliacation is launching.Till that the application is hanging.