[#UBA-7605] Unable to run multiple Applets with Java 6 Update 10

ULCBase

Unable to run multiple Applets with Java 6 Update 10

Created: 14/Nov/08 05:02 PM Updated: 21/Jan/09 02:27 PM

Component/s:

core

Affects Version/s:

None

Fix Version/s:

UltraLightClient '08 Update 2

Description

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Only happens if you run in sandbox, i.e. if your code is not signed. See Java console for exception. The bug only shows up for the second Applet, not for the first one.

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Change History

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Daniel Grob added a comment - 14/Nov/08 05:02 PM

As a workaround you should sign your Applet.

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Marcel Rüedi added a comment - 14/Jan/09 10:42 AM

The exception thrown :
Exception in thread "AWT-EventQueue-5" java.security.AccessControlException: access denied (java.lang.RuntimePermission getenv.JPI_PLUGIN2_FORCE_DRAGGABLE)
at java.security.AccessControlContext.checkPermission(Unknown Source)
at java.security.AccessController.checkPermission(Unknown Source)
at java.lang.SecurityManager.checkPermission(Unknown Source)
1200 > sun.awt.PeerEvent[INVOCATION_DEFAULT,runnable=sun.java2d.d3d.D3DScreenUpdateManager$2@624a40,notifier=null,catchExceptions=false,when=1231925721296] on frame1
at java.lang.System.getenv(Unknown Source)
at sun.plugin2.util.SystemUtil.getenv(Unknown Source)
at sun.plugin2.main.client.PluginMain$StartAppletRunner.run(Unknown Source)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at com.ulcjava.base.client.FilteringEventQueue.dispatchEvent(FilteringEventQueue.java:135)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)

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Marcel Rüedi added a comment - 19/Jan/09 01:47 PM

If an InvocationEvent for the runnable sun.plugin2.main.client.PluginMain$StartAppletRunner is detected on the ulc FilteringEventQueue it is removed temporarely.