Steps to reproduce
1. Access : http://vm53.sg.oracle.com/httpclient/WebContents/index.html
2. Click "Open Window". Then you will see the new browser window.
3. Check "System.exit" and click "Close". Then the new browser will be
4. Click "Open Window" again. You will see the new browser, but the child
process will not be started. Nothing appear in this new browser window.
NOTE: If you wait for about 1 min after step (3) before proceed to step (4),
this issue does not occur.