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Java Forum / General / February 2006Problem with Java Control Panel and Firefox
I've been having trouble getting my applets to work in Firefox. The other day, I posted about it and got the advice that I needed to modify certain settings in the Java Control Panel. Today, I finally had a minute to look into that. I launched the Java Control Panel from the Windows Control Panel, went to the Advanced page, expanded the "<APPLET> tag support" branch of the tree and found that Internet Explorer was checked but Mozilla dnd Netscape were not. I checked "Mozilla and Netscape" and clicked "Apply" but got this warning message: "Unable to change Browser Settings. Please check that Mozilla or Netscape is properly installed on the system and/or that you have sufficient permissions to change system settings." When I click on OK to dismiss the message, exit the Java Control Panel and launch it again, the Mozilla box is still unchecked. Does anyone have any idea why I would get this message and what I can do about it? I installed Firefox and it seems to be working fine except with respect to its handling of Java applets. I'm running Windows XP Pro with SP2 and the id I'm using is in the Administrator group. I don't see that either of the things the message mentions is very likely to be true. I just want my applet to run in Firefox as well as it does in IE and Opera but Firefox isn't cooperating. By the way, I'm running Firefox 1.5.0.1 and have the Java 1.5.0_06 JDK/JRE installed.  SignatureRhino On Thu, 9 Feb 2006 09:06:36 -0500, "Rhino" <no.offline.contact.please@nospam.com> wrote, quoted or indirectly quoted someone who said : >Please check that >Mozilla or Netscape is properly installed on the system and/or that you have >sufficient permissions to change system settings." I have been having trouble with that too. I check them, then come back and they are unchecked. However both browsers are working fine anyway. Another goofy thing in the Java control panel is you can't select which JRE to use for Applets. SignatureCanadian Mind Products, Roedy Green. http://mindprod.com Java custom programming, consulting and coaching. > On Thu, 9 Feb 2006 09:06:36 -0500, "Rhino" > <no.offline.contact.please@nospam.com> wrote, quoted or indirectly [quoted text clipped - 7 lines] > I have been having trouble with that too. I check them, then come back > and they are unchecked. However both browsers are working fine anyway. I wish I could say that my copy of Firefox was working despite the Java Control Panel. But it isn't. Whenever I go the page with my applet on it, it shows me the jigsaw puzzle piece; when I click on it, it fails to find any suitable plugins; when I take the manual install option for the plugins, the web page still doesn't work afterwards. I can't believe that everyone is having these problems with Firefox or surely the Firefox people would have done something about it. I guess I'm going to have to hunt for a Firefox support newsgroup to see if they can help me figure this out. > Another goofy thing in the Java control panel is you can't select > which JRE to use for Applets. That's a pain too. But not Firefox's fault. -- Rhino On Thu, 9 Feb 2006 10:31:34 -0500, "Rhino" <no.offline.contact.please@nospam.com> wrote, quoted or indirectly quoted someone who said : >That's a pain too. But not Firefox's fault. I would like it if in each browser I could override the default JRE choice setting. That would let me test several java versions by setting up each browser with a different one. SignatureCanadian Mind Products, Roedy Green. http://mindprod.com Java custom programming, consulting and coaching. On Fri, 10 Feb 2006 04:12:38 GMT, Roedy Green <my_email_is_posted_on_my_website@munged.invalid> wrote, quoted or indirectly quoted someone who said : >I would like it if in each browser I could override the default JRE >choice setting. That would let me test several java versions by >setting up each browser with a different one. Perhaps even nicer would be if Browser registered their presence with Java or left something around for a newly installed Java control panel to find, perhaps some registry entries or files. Then you could sit in your Java control panel and turn java off and on, select JVMs in ALL your browsers independently from a central place. Further Sun would offer an API so the browser could let the user change his settings from within the browser, for just that browser. It is wrong for Sun to support just some special privileged set of browsers. They should publish an API and let ANY browser implement it. SignatureCanadian Mind Products, Roedy Green. http://mindprod.com Java custom programming, consulting and coaching. >I just want my applet to run in Firefox as well as it does in IE and Opera >but Firefox isn't cooperating. By the way, I'm running Firefox 1.5.0.1 and >have the Java 1.5.0_06 JDK/JRE installed. May I suggest the standard "engineering" technique of turning it off and turning it on again? Uninstall the JDK and JRE then reinstall them. Hopefully the install will find Firefox and install itself properly. >May I suggest the standard "engineering" technique of turning it off >and turning it on again? Uninstall the JDK and JRE then reinstall >them. Hopefully the install will find Firefox and install itself >properly. I had to do that with IE which had got itself in a snit and would not see any Java and even hid the box to turn it on. Everyone got confused when I let an ancient JAWS app install java 1.3. You should never install them out of chronological order. SignatureCanadian Mind Products, Roedy Green. http://mindprod.com Java custom programming, consulting and coaching. Not sure if this will help, but if you don't already have the 'Web Developer' extension you might want to give that a try. https://addons.mozilla.org/extensions/moreinfo.php?application=firefox&categ ory=Developer%20Tools&id=60 Java console is under: Tools -> Web Developer -> Miscellanious -> Open Java Console or: Ctrl + Shift + O Also here is a link the mozilla plugin doc page: http://plugindoc.mozdev.org/faqs/java.html I know I had a problem with it as well a while back, but hacked away until I finally got it to work. Unforetunately, I didn' t keep track of what it was that finally fixed it, (sorry about that). > I've been having trouble getting my applets to work in Firefox. The other > day, I posted about it and got the advice that I needed to modify certain [quoted text clipped - 24 lines] > -- > Rhino Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. 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