netscape.javascript.JSException: Plugin instance for applet ID 1 was already released


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Plugin instance for applet ID 1 was already released

Solution icon of github
Plugin instance for applet ID 1 was already released

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Plugin instance for applet ID 1 was already released

Stack trace

netscape.javascript.JSException: Plugin instance for 
applet ID 1 was already released
	at sun.plugin2.main.server.LiveConnectSupport.getInfo(Unknown Source)
	at sun.plugin2.main.server.LiveConnectSupport.shutdown(Unknown Source)
	at sun.plugin2.main.server.JVMInstance.unregisterApplet(Unknown Source)
	at sun.plugin2.main.server.JVMInstance.recycleAppletID(Unknown Source)
	at sun.plugin2.main.server.JVMManager.recycleAppletID(Unknown Source)
	at sun.plugin2.main.server.MozillaPlugin.stopApplet(Unknown Source)
	at sun.plugin2.main.server.MozillaPlugin.destroy(Unknown Source)

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