I just got this response from the author of the Java Embedding Plugin that the Mozilla browsers use to implement Java applets on the Mac. A solution may be in sight:=)
Phil Begin forwarded message: > From: Steven Michaud <[email protected]> > Date: August 11, 2010 11:58:52 AM EDT > To: Philip Bays <[email protected]> > Subject: Re: Java embedding plugin > > Sorry to take so long to respond. For a while I was on vacation, then I was > terribly busy with other things. > > Turns out this is a bug in the JEP -- a very minor aspect of SnowLeopard > compatibility (or perhaps of Java 6 compatibility) that I hadn't noticed > before. > > The access error I see is: > > eval ERROR: java.security.AccessControlException: access denied > (java.util.PropertyPermission http.agent read) > > I suspect all I need to do is make this property readable to Java applets. > > Philip Bays wrote: >> We are having difficulties with a java applet running under any of >> the recent Mozilla browsers. I note that the plugin is included in >> all of them and is necessary for the browsers to run the applet. >> But it is unclear to me from your web page that it really works on >> Snow Leopard. Can you clarify that for me? >> In particular, the problem confirmed by several users in different >> parts of the country, relates to java cache. The applet is jmol >> which displays molecular structures. From a cleared java cache, >> Firefox runs fine, loading the applet, and the first molecule. If >> you push a button, and second molecule file is loaded into the >> applet. Three items now appear in the java cache: the applet and >> both molecule files. >> If you now close firefox, reopen, and go to the same page, the applet >> loads and the first molecule loads. However, the second one throws a >> java access error. If you remove that second molecular file from the >> java cache, the the page works fine again, until you shut down >> firefox. >> www.saintmarys.edu/~pbays/JStest/HTMLFiles/NT1.html >> There are two other files: NT2 which uses the signed applet and >> works fine and NT3 which sets the threading and works fine. >> The question I have is this: based on your experience, is this a >> firefox issue, a java issue, or a plugin issue, or some combination >> of the three? >> Phil Bays >> J. Philip Bays Professor of Chemistry Department of Chemistry and >> Physics Saint Mary's College Notre Dame, IN 46556 (574) 284-4663 >> [email protected] > J. Philip Bays Professor of Chemistry Department of Chemistry and Physics Saint Mary's College Notre Dame, IN 46556 (574) 284-4663 [email protected]
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