FULL PRODUCT VERSION :
Java 1.7.0_51 (Oracle Corporation)
Java HotSpot(TM) 64-Bit Server VM 24.51-b03 (Oracle Corporation)


ADDITIONAL OS VERSION INFORMATION :
Mac OS X 10.8.3 (x86_64)


EXTRA RELEVANT SYSTEM CONFIGURATION :
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_3) AppleWebKit/536.28.10 (KHTML, like Gecko) Version/6.0.3 Safari/536.28.10


A DESCRIPTION OF THE PROBLEM :
When getting focus, sun.lwawt.macosx.CEmbeddedFrame.handleFocusEvent tries to access the system clipboard which throws a security exception when in the applet sandbox


REGRESSION. Last worked in version 7u45

ADDITIONAL REGRESSION INFORMATION:
It worked fine when applets didn't *require* security manifest attributes and none were given.
It works fine on Windows when in applet sandbox with 1.7.0_51



ERROR MESSAGES/STACK TRACES THAT OCCUR :
Error: java.security.AccessControlException: access denied ("java.awt.AWTPermission" "accessClipboard")
at java.security.AccessControlContext.checkPermission(AccessControlContext.java:372)
at java.security.AccessController.checkPermission(AccessController.java:559)
at java.lang.SecurityManager.checkPermission(SecurityManager.java:549)
at sun.plugin2.applet.AWTAppletSecurityManager.checkPermission(Unknown Source)
at java.lang.SecurityManager.checkSystemClipboardAccess(SecurityManager.java:1390)
at sun.lwawt.LWToolkit.getSystemClipboard(LWToolkit.java:483)
at sun.lwawt.macosx.CEmbeddedFrame.handleFocusEvent(CEmbeddedFrame.java:128)
at sun.plugin2.main.client.PluginEmbeddedFrame.synthesizeFocusEvent(Unknown Source)
at sun.plugin2.main.client.PluginEmbeddedFrame.synthesizeEvent(Unknown Source)
at sun.plugin2.main.client.PluginMain$6.run(Unknown Source)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:733)
at java.awt.EventQueue.access$200(EventQueue.java:103)
at java.awt.EventQueue$3.run(EventQueue.java:694)
at java.awt.EventQueue$3.run(EventQueue.java:692)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:703)
at my-applet.dispatchEvent
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)


REPRODUCIBILITY :
This bug can be reproduced always.

CUSTOMER SUBMITTED WORKAROUND :
In the manifest, declare the applet to need all-permissions (which defies the purpose of the sandbox)