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JAVA "Missing plug-in" message in FireFox missing
On Windows 7
trillianjedi

WebmasterWorld Senior Member trillianjedi us a WebmasterWorld Top Contributor of All Time 10+ Year Member



 
Msg#: 4263160 posted 12:57 am on Feb 6, 2011 (gmt 0)

I've spent a few hours googling around trying to work this one out and I'm totally stuck.

On Windows 7, fresh copy of FireFox installed, I can go to the JavaVersion website and I get, as you'd expect, the "Missing plug-in" message at the top of the main FireFox window.

On my own page, which contains almost nothing other than my applet reference as:-


<applet id="myapplet" code="myapplet.class" archive="win/myapplet.jar" width="0" height="0" mayscript="true" >
<param name = 'command' value='12345' />
</applet>

When I load my own page, containing this, I do not get the "Install missing plugin" message in the browser. The page loads, and just sits there and does nothing.

Has anyone else experienced this ?

I've been through the code for the JavaVersion site and the only substantial difference that I can see is that my applet is signed and uses an archive. Other than that I can't see it, but I know I must be missing something....

Thanks!

 

coopster

WebmasterWorld Administrator coopster us a WebmasterWorld Top Contributor of All Time 10+ Year Member



 
Msg#: 4263160 posted 3:28 pm on Feb 8, 2011 (gmt 0)

Is the Java Console present when you view the Extensions tab in the Tools > Add-ons menu?

trillianjedi

WebmasterWorld Senior Member trillianjedi us a WebmasterWorld Top Contributor of All Time 10+ Year Member



 
Msg#: 4263160 posted 9:39 pm on Feb 8, 2011 (gmt 0)

Hey Coop!

No, it isn't present. I don't think I would expect it to be in a brand new Win 7 install (which I think doesn't ship with JAVA) ?

coopster

WebmasterWorld Administrator coopster us a WebmasterWorld Top Contributor of All Time 10+ Year Member



 
Msg#: 4263160 posted 2:58 pm on Feb 9, 2011 (gmt 0)

Sounds like you need to install Java. Type
java -version

from the command line and see if you have Java installed.

trillianjedi

WebmasterWorld Senior Member trillianjedi us a WebmasterWorld Top Contributor of All Time 10+ Year Member



 
Msg#: 4263160 posted 3:48 pm on Feb 9, 2011 (gmt 0)

I think we're at cross-purposes.

I definitely don't have JAVA installed and that's deliberate - I'm trying to get the right user-experience for when someone lands on this webpage, which has a JAVA applet in it, if they don't have JAVA installed.

What I would expect to see is the browser showing the standard "missing plug-in required, click here" Message at the top of their browser.

With all other sites I go to with JAVA applets in them, I see that message.

With my page (which has the Applet code above, and I've also tried the Object tag for IE), they don't.....

coopster

WebmasterWorld Administrator coopster us a WebmasterWorld Top Contributor of All Time 10+ Year Member



 
Msg#: 4263160 posted 4:18 pm on Feb 9, 2011 (gmt 0)

My bad, you're correct. Now I do understand what you are attempting. Are the other sites running their "missing plug-in" message in a <noscript> element?

Fotiman

WebmasterWorld Senior Member fotiman us a WebmasterWorld Top Contributor of All Time 5+ Year Member



 
Msg#: 4263160 posted 4:24 pm on Feb 9, 2011 (gmt 0)

I'm going to throw out some suggestions... can you get to the jar file? Is it in the correct location relative to the page? If you point the browser directly at the jar file itself, what happens? Are there any file permissions that need to be set on the jar file?

Not sure if that will help any, but it's where I'd start looking.

trillianjedi

WebmasterWorld Senior Member trillianjedi us a WebmasterWorld Top Contributor of All Time 10+ Year Member



 
Msg#: 4263160 posted 6:44 pm on Feb 9, 2011 (gmt 0)

Thanks guys - some good pointers in there I'll go and check - will report back with findings :)

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