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I have JDK 1.6.0_43 installed. My browser (Firefox 20.0) has Java applet plug-in 14.6.1 installed and enabled (which, according to Firefox's plugin check, is up-to-date). But applets do not work.

For example, when I login and visit live timing on formula1.com, the popup window just shows me "Missing plug-in". Upon clicking "More information", it sends me to an Oracle page to download Java 7 Update 21.

I don't want to install Java 7 yet.

Is there any way to get Java applets working in Firefox, especially without updating to Java 7 JDK?

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2 Answers

up vote 1 down vote accepted

I found my answer here: Java for OS X 2013-002: How to re-enable the Apple-provided Java SE 6 web plug-in and Web Start functionality.

Silly me: I didn't find this answer sooner.

I followed only the first 3 out of 4 steps (as I don't need Web Start functionality) and restarted Firefox... voila! Java applets work now (I have FF set up so that all plugins start up only after I explicitly give permission by clicking on the plugin's space on the page).

I had in the meantime also upgraded to 1.6.0_45 ("Java for OS X 2013-003") if that makes a difference.

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I had a similar issue with the JRE on my Mac, and it ended up being due to bitness. My Mac is 64-bit, but the 32-bit JRE was installed. Perhaps this issue is what is ailing you as well?

EDIT: Actually, what I think this actually came down to was Firefox was 32-bit, but my Mac is 64-bit as was the JRE. I needed to install the 32-bit JRE for applets to actually work.

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But everything had been working previously... –  markvgti May 12 '13 at 9:48
    
Previously to what? I don't see anything in your post about it having worked previously... –  Tyler D May 12 '13 at 9:50
    
I've had this MBP (my first Mac) for over a year now. The live timing applet on the formula1.com website is the only applet I use. Last season it used to work, this year it doesn't. I suspect that one of the many updates to Java during the interim has somehow disabled applets on OS X. Same issue on Chrome as well. –  markvgti May 12 '13 at 10:22
    
So, did Java applets work previously on this machine? If so, what changed ... browser version, java version, etc? –  Tyler D May 12 '13 at 10:24
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