As per the sustaining request, we need to open a bug in bugster.



I'm taking the liberty to copy & paste the oracle bug notes here

@ This is with reference to Forms bug 10112156
@ .
@ Following pop-up window is opening when try to close IE page
@
@ The webpage you are viewing is trying to close the window.
@ Do you want to close this window?
@ Yes No
@ .
@ .
@
@ .
@ DIAGNOSTIC ANALYSIS:
@ --------------------
@ This message "The web page you are viewing is trying to close the window" is
@ shown for any IE page which tries to close itself.
@ Also bug is not reproducing with JRE version 1.6 update 9 and prior to that.
@ This issue reproduces since introduction of Next Generation Plug-in feature.
@ Also bug is not reproducing if we disable this flag in the java control
@ panel.
@ .
@ .
@ ERROR-STACK OBTAINED:
@ ---------------------
@ NA
@ .
@ WORKAROUND:
@ -----------
@ Unchecking the next-generation Java Plug-in but that requires providing
@ Administrative rights to each user which is unacceptable.
@ .
@ REPRODUCIBILITY MATRIX:
@ -----------------------
@ It can be reproduced with JRE 6u10 or higher if 'Next generation..' checked.
@ This issue can be reproduced with 10.1.2.3 also with 10.1.2.3.1 (BP).
@ This can not be reproduced with JRE6u7.
@ .
@ TESTCASE DETAILS:
@ -----------------
@ This JDK only testcase has two html files appletY.html and SelfClose.html.
@ From appletY.html file another SelfClose.html file is being open. In the
@ SelfClose.html file has onclick="self.close(); which closes current page.
@ .